You just need to calculate the following to go from kg/hour to kmol/s: For instance, 1 kmol/h should represent 36 kg with 1 kg/s should equal 1/36 kmol/h if there was 3 kmol in 1 kilogram and 12 seconds in 1 hour.
Is mol the same as KMOL?1000 moles make up one kilomole. 1 Mole: Denotes the quantity of a chemical compound that has the same number of atoms as there are in Twelve grams of natural carbon-12. 103 moles are equivalent to one kilogram, or one kilomole, in the SI system of measurement (metrology).
A Kmol contains how many mmol?mmol↔kmol 1000000 mmol make up 1 kmol.
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need help with this question
Based on the molecular structure of water and the physical state that water exists in at different temperatures, the molecular sketch that is correct is sketch A which is the solid state.
The correct option i
What are the various physical states that water can exist?Solid, liquid, and gaseous are the three main physical states in which water can exist. Water can be found as ice or snow in a solid state. Water exists as steam or water vapor in the gaseous state.
In solids, the molecules of water are arranged in a fixed crystalline pattern.
In liquids, the molecules of water are free to move about but within a given limit by intermolecular forces.
As gases, the molecule is not held back by any intermolecular forces.
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when six h2o molecules interact with six co2 molecules, the result is six c6h12o6 molecules and six o2 molecules. in this reaction the products are.
When six h2o molecules interact with six co2 molecules, the result is six c6h12o6 molecules and six o2 molecules.
What is a chemical reaction?A chemical reaction is a process that transforms one set of chemical substances into another. It is characterized by changes in the chemical composition of a substance and the release or consumption of energy. During a chemical reaction, bonds between atoms are broken and new bonds are formed to produce different substances. These new substances have different properties than the original substances and may have different chemical and physical properties.
Chemical reactions can occur in a variety of ways, such as the mixing of two or more substances, the exposure of a substance to heat, light, or radiation, and the introduction of a catalyst to speed up the reaction. The chemical reactions that occur are governed by the laws of thermodynamics and the reaction rate is determined by the activation energy required to break the bonds of the reactant molecules.
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in an intramolecular proton transfer reaction, the acidic site and the basic site are tethered in the same structure, and a proton is passed from the acidic region of the structure to the basic region of the structure. an example is shown. draw a mechanism for this brocess.
The mechanism is given as
here, hydrogen is most acidic, so it's likely to have an intramolecular proton transfer reaction in this problem. One of other sites for an acid base reaction will react with hydrogen because most of the oxygen is negative.
One of these oxygen's is going to act as a base and it's going to take this hydrogen and put it on that oxygen, their negative charge is going to act more basic than the other oxygen.
When electrons are shifted into hydrogen, We have an alcohol here and a carboxyl ion over here. Our acid now is an alcohol and our carboxylic acid is stronger, so we're going towards the weaker acid and base.
In other words, equilibrium is shifted towards the right.
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assuming only 40.3 g of N2O is produced when 50.0 g of nitrogen gas reacted with 75.0 g of oxygen gas, what is the percent yield of reaction
The percent yield of a reaction is the ratio of the amount of product produced in the reaction to the amount of product that should have been produced according to the reaction's stoichiometry.
What is stoichiometry?
Stoichiometry is the field of chemistry that studies the quantitative relationships between the reactants and products in chemical reactions. It allows chemists to calculate the amount of reactant needed to produce a certain amount of product, as well as how much product will be produced from a certain amount of reactant.
To find the percent yield, we must first determine the amount of product that should have been produced according to the reaction's stoichiometry.
In this case, the reaction is:
According to the reaction's stoichiometry, for every mole of nitrogen gas that reacts, one mole of nitrogen dioxide should be produced. We can use the given masses of nitrogen gas and oxygen gas to determine how many moles of each were used in the reaction.
1 mole of nitrogen gas = 28.0 g
1 mole of oxygen gas = 32.0 g
We can use the given masses of nitrogen gas and oxygen gas to determine the number of moles of each used in the reaction.
Moles of nitrogen gas = 50.0 g / 28.0 g = 1.79 moles
Moles of oxygen gas = 75.0 g / 32.0 g = 2.34 moles
According to the reaction's stoichiometry, for every mole o
N2 + O2 → N2OfThe percent yield of a reaction is the ratio of the amount of product produced in the reaction to the amount of product that should have been produced according to the reaction's stoichiometry. To find the percent yield, we must first determine the amount of product that should have been produced according to the reaction's stoichiometry.In this case, the reaction is:
Atoichiometry, for every mole of nitrogen gas that reacts, one mole of nitrogen dioxide should be produced. We can use the given masses of nitrogen gas and oxygen gas to determine how many moles of each were used in the reaction.
1 mole of nitrogen gas = 28.0 g
1 mole of oxygen gas = 32.0 g
We can use the given masses of nitrogen gas and oxygen gas to determine the number of moles of each used in the reaction.
Moles of nitrogen gas = 50.0 g / 28.0 g = 1.79 moles
Moles of oxygen gas = 75.0 g / 32.0 g = 2.34 moles
According to the reaction's stoichiometry, for every mole o
N2 + O2 → N2Of
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A sample of 0.53 gNa₂CO3, is added to 101 ml of 0.1 N H₂SO4 solution. a. Will the resulting b solution be acidic, basic or neutral?
A sample of 0.53 gNa₂CO3, is added to 101 ml of 0.1 N H₂SO4 solution. Therefore, solution will be Neutral.
What are acid, base and neutral solution?Depending on how fully an acid separates into its ions when placed in water, it can be classified either as strong or weak. In water, a powerful acid, like hydrochloric acid, totally dissociates into its ions. A weak acid barely partially separates into its ions, leaving the acid in the solution together with water and ions.
The terms Arrhenius bases, Brnsted bases, while Lewis bases refer to the three meanings of the word base that are most often used. According to every definition, bases are materials that react to acids. When hydronium as well as hydroxide ion concentrations are equal, a solution is neutral.
Na₂CO₃ + H₂SO₄ → NA₂SO₄ + CO₂ + 2H₂O
Equivalent weight of Na₂CO₃.H₂O = 62 g
weight of Sodium carbonate (Na₂CO₃) = 0.62 g.
W = {N × E × V}/{1000}
0.62 = ( N x 62 x 100 ) / 1000
N = 0.62 x 1000 / 62 x 100
N = 620/6200
N= 0.1
Normality of Na₂CO₃ and H₂SO₄ is Same that is 0.1 N . Solution will be Neutral.
Therefore, solution will be Neutral.
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Consider the below 1H NMR spectrum. How many neighboring hydrogen atoms are there to the hydrogen atoms that produce signa C? A) 3B) 5C) 6 D) 2
The correct answer is "4".There are four neighboring hydrogen atoms are there to the hydrogen atoms that produce signa CAs per the graph, signal C is spitted into quartet (i.e. four part).
According to given [tex]^{1}H[/tex] NRM spectrum:
Signal C is spitted into four numbered as 2.50, 2.45, 2.40, and 2,35.
It started from 2.50 and ended at 2.35, the difference is of 2.03.
So, As per the graph, signal C is spitted into quartet (i.e. four part).
Therefore, Among all the options of 3, 4, 4, 6, 2; there are four neighboring hydrogen atoms are there to the hydrogen atoms that produce signa C.
Full question:
Consider the below 1H NMR spectrum. How many neighboring hydrogen atoms are there to the hydrogen atoms that produce signa C?
A) 3
B) 5
C) 6
D) 4
E) 2
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fill the blank density is--property
a. an extensive.
b. an intensive.
c. a chemical.
d. a chemical.
Which of these molecules exhibit hydrogen bonding? Select all that apply. a) chloromethane. b) methanol. c) methane
Chloromethane and methanol are both capable of exhibiting hydrogen bonding, while methane does not. The correct answer A and B.
Chloromethane and methanol both contain hydrogen atoms that are covalently bound to a more electronegative atom (chlorine and oxygen, respectively), which creates a partial positive charge on the hydrogen atom. This partial positive charge can interact with a partial negative charge on a nearby molecule, forming a hydrogen bond.
When hydrogen bonding occurs, the hydrogen atom acts as a bridge between two molecules, allowing them to interact and creating a strong bond. The hydrogen bond is formed when the partial positive charge on the hydrogen atom interacts with a partial negative charge on an electronegative atom of a nearby molecule.
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A sample of heptane always contains 84% carbon and 16% hydrogen. Which of these best explains this phenomena?a.Law of Constant Composition b.Law of Conservation of Mass c.Dalton's Atomic Theory d.Law of Mass Actione.Lavoisier's Law
The law of definite proportion best explains this phenomenon.
Heptane has been reported to constantly contain 84% carbon and 16% hydrogen. This indicates that heptane will always contain 84% carbon and 16% hydrogen, regardless of where it was produced or how it was produced. This accords with the law of definite proportion, which stipulates that regardless of the compound's origin or the chemical reaction that created it, a given compound will always contain its constituents in an unaltered mass ratio.
The law of definite proportions, commonly referred to as Proust's law or the rule of constant composition, holds that a chemical compound's constituents are always present in a predetermined ratio regardless of the source or method of synthesis (by mass).
The law of definite proportion serves as an example of this.
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The combustion of octane, C8H18, proceeds according to the reaction shown.
2C8H18(l)+25O2(g)⟶16CO2(g)+18H2O(l)
If 546 mol of octane combusts, what volume of carbon dioxide is produced at 12.0 ∘C and 0.995 atm?
If 546 mol of octane combusts,102772.3 L volume of carbon dioxide is produced at 12.0 ∘C and 0.995 atm.
What is an ideal gas equation ?The ideal gas law states that the product of the pressure and the volume of one gram molecule of an ideal gas is equal to the product of the absolute temperature of the gas and the universal gas constant.
It is represented by PV = nRT
Given:
Moles of octane = 546 moles
According to the given reaction:-
2C8H18(l)+25O2(g)⟶16CO2(g)+18H2O(l)
2 moles of octane on reaction produces 16 moles of carbon dioxide
1 mole of octane on reaction produces 16/2 moles of carbon dioxide
546 moles of octane on reaction produces 8 × 546 moles of carbon dioxide
Moles of carbon dioxide = 4368 moles
Given:
Pressure = 0.995 atm
Temperature = 12.0 °C
The conversion of T( °C) to T(K) is shown below:
T(K) = T( °C) + 273.15
T₁ = (12.0 + 273.15) K
= 285.15 K
By using ideal gas equation as:
PV=nRT
where,
P is the pressure
V is the volume
n is the number of moles
T is the temperature
R is Gas constant having value = 0.0821 L.atm/K.mol
Applying the equation as:
0.995 atm × V = 4368 mol × 0.0821 L.atm/K.mol × 285.15K
V = 102772.3
Thus, If 546 mol of octane combusts,102772.3 L volume of carbon dioxide is produced at 12.0 ∘C and 0.995 atm.
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Write the rate laws for the following elementary reactions. (Rate expressions take the general form: rate = k . [H2] . [Cl2].)(a) N2O4(g) ? 2 NO2(g)(b) NO2(g) + SO2(g) ? NO(g) + SO3(g)(c) Cl(g) + ICl(g) ? I(g) + Cl2(g)(d) CH2(g) + Cl2(g) ? CH2Cl2(g)
The rate laws of the following elementary reactions are:
(a) The rate law for the decomposition of N₂O₄ is: Rate = k[N₂O₄].(b) The rate law for the reaction of NO₂ and SO₂ is: Rate = k[NO₂][SO₂]. (c) The rate law for the reaction of Cl and ICl is: Rate = k[Cl][ICl]. (d) The rate law for the reaction of CH₂ and Cl₂ is: Rate = k[CH₂][Cl₂].
The rate of a chemical reaction is a measure of how quickly a reaction occurs. It is usually expressed as the change in concentration of a reactant or product per unit time. The rate of a reaction is affected by a number of factors, including temperature, concentration of the reactants, surface area of the reactants, and the presence of catalysts.
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which of the following reactions is likely to be product favored based on energetic considerations? (you can select more than one reaction.) 2Na(s) + Cl2(g) -> 2NaCl(s) 2NH3(g) -> N2(g) 3H2(g) CH4(g) +2O2(g) -> CO2(g) + 2H2O(g) CH4(g) +2H2O(l) -> CO2(g) + 4H2(g)
Based on energetic considerations, the reactions that are likely to be product favored are:
2Na(s) + Cl₂(g) → 2NaCl(s)CH₄(g) +2O₂(g) → CO2(g) + 2H₂O(g)What are energetic considerations in chemical equations?Energetic considerations in chemical equations refer to the energy changes that occur during a chemical reaction. These changes can be in the form of heat, light, or work, and they determine the feasibility of a reaction based on the energy required and the energy produced. In general, reactions that have a positive change in energy (exothermic reactions) are more likely to be product-favored, as the products have lower energy than the reactants.
Conversely, reactions that have a negative change in energy (endothermic reactions) are less likely to be product-favored, as the products have higher energy than the reactants. Both of these reactions are exothermic, meaning they release energy, making them favored towards the formation of the products.
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Which of the following can vary among monosaccharides? a) the presence of hydroxyl groups b) the number of carbon atoms c) the presence of a carbonyl group d) all of the above
Monosaccharides can vary in the number of carbon atoms they contain. (B)
A monosaccharide is one of the fundamental molecules that serves as a building block for carbohydrates. It is sometimes referred to as a simple sugar. Monosaccharides can be categorized based on the position of their carbonyl group, the total number of carbon atoms that they comprise, and the chiral nature of their structure.
In the event that the carbonyl group is an aldehyde, the monosaccharide will be referred to as an aldose. When the carbonyl group is in the form of a ketone, the monosaccharide is referred to as a ketose. The amount of carbon atoms present in a monosaccharide molecule determines the type of monosaccharide.
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How many grams of carbon are in 393.0 g
of carbon tetrachloride?
Carbon tetrachloride, CCl4, has one carbon atom per molecule. The molar mass of carbon tetrachloride can be calculated by adding the atomic masses of the constituent atoms:
1 × 12.01 g/mol (carbon) + 4 × 35.45 g/mol (chlorine) = 154.01 g/mol
To determine the number of moles of carbon in 393.0 g of carbon tetrachloride, we need to divide the mass by the molar mass:
393.0 g / 154.01 g/mol = 2.549 moles
Since there is one carbon atom in each molecule of carbon tetrachloride, there are 2.549 moles of carbon in 393.0 g of carbon tetrachloride.
To convert from moles to grams, we can use the molar mass of carbon:
2.549 moles × 12.01 g/mol = 30.57 g
Therefore, there are approximately 30.57 grams of carbon in 393.0 g of carbon tetrachloride.
show the equations you will use to calculate %protein, %phosphate, and %fat in milk
%Protein = (Protein content in Milk / Total Weight of Milk) x 100
%Phosphate = (Phosphate content in Milk / Total Weight of Milk) x 100
%Fat = (Fat content in Milk / Total Weight of Milk) x 100
Define weight?
Weight is a measure of the force of gravity on an object. It is the amount of mass an object has and is usually measured in kilograms (kg) or pounds (lbs). Weight is related to mass, but not the same; mass is the amount of matter in an object, while weight is a measure of the strength of gravity on that object. Weight is a vector quantity, which means it has both magnitude and direction. Weight is an important factor to consider when designing objects and structures, as it affects how much a material can support and the amount of stress it can withstand.
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In which situation can Le Chatelier's principle be applied? (1 point) It can be applied when a reaction is reversible, and environmental conditions are kept constant. It can be applied when a reaction happens in a single direction, and environmental conditions are changed. It can be applied when a reaction happens in a single direction, and environmental conditions are kept constant. It can be applied when a reaction is reversible, and environmental conditions are changed.
Le Chatelier's principle can be applied when a reaction is reversible, and environmental conditions are kept constant. Therefore, option A is correct.
What is Le Chatelier's principle ?The Le Chatelier's principle may be described as follows: When a system is in a state of dynamic equilibrium and an external stress is applied, the system moves the location of equilibrium to cancel out the effect of the stress.
Chemical systems can be stressed by altering the concentration, pressure, or temperature.
According to Le Chatelier's principle, for exothermic reactions, the equilibrium changes towards the reactant side as the temperature rises; while, for endothermic reactions, the equilibrium shifts towards the product side as the temperature rises.
Thus, option A is correct.
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Answer:
Changing Reaction Rates Quick Check
1. The forward reaction would increase to start reducing the concentration of N2.
2. It can be applied when a reaction is reversible, and environmental conditions are CHANGED.
3. The equilibrium will shift to the LEFT.
4. Adding steam allows more molecules of the REACTANTS to collide, causing the rate of the FORWARD reaction to increase.
5. an increase in the concentration of CO.
Explanation:
if you put these answers, 100%.
P.S. I used "kept constant" for question 2 like the person suggested and it was incorrect for me.
A pet store owner wants to mix a 11% saltwater solution and a 34 % saltwater solution to obtain 46
liters of a 21% solution. Let a stand for the amount of 11% solution and y for the amount of 34 %
solution.
a. How much saltwater is in the 11% solution?
b. How much saltwater is in the 34% solution?
c. Write an equation about the total amount of solution in the mixture.
x+y=46
d. Write another equation about the amount of saltwater in the mixture.
11x +34y= .21 (46)
O
e. Solve your system and answer the question: How many liters of each ingredient does he need?
11% solution:
34% solution:
a. The amount of saltwater in the 11% solution is 2.86 liters.
b. The amount of saltwater in the 34% solution is 6.8 liters.
c. The total amount of solution in the mixture is 46 liters.
d. The amount of saltwater in the mixture is 9.66 liters.
e. The pet store owner needs 26 liters of the 11% solution and 20 liters of the 34% solution.
How to find the e amount of saltwater in the 11% solution?To solve this problem, we need to use a system of two equations in two variables. Let x be the amount of the 11% solution and y be the amount of the 34% solution. Then we have:
a. The amount of saltwater in the 11% solution = 0.11x
b. The amount of saltwater in the 34% solution = 0.34y
c. The total amount of solution in the mixture is 46 liters, so we have the equation x + y = 46.
d. The amount of saltwater in the mixture is the sum of the amount of saltwater in the 11% solution and the amount of saltwater in the 34% solution. This is given by 0.11x + 0.34y = 0.21(46) = 9.66.
So we have the system of equations:
x + y = 46
0.11x + 0.34y = 9.66
To solve this system, we can use substitution or elimination. Here we will use elimination:
Multiply the first equation by 0.11:
0.11x + 0.11y = 5.06
Subtract this from the second equation:
0.23y = 4.6
y = 20
Substitute y = 20 into the first equation:
x + 20 = 46
x = 26
Therefore, the pet store owner needs 26 liters of the 11% solution and 20 liters of the 34% solution.
So,
a. The amount of saltwater in the 11% solution is 0.11x = 0.11(26) = 2.86 liters.
b. The amount of saltwater in the 34% solution is 0.34y = 0.34(20) = 6.8 liters.
c. The total amount of solution in the mixture is x + y = 26 + 20 = 46 liters.
d. The amount of saltwater in the mixture is 0.21(46) = 9.66 liters.
e. The pet store owner needs 26 liters of the 11% solution and 20 liters of the 34% solution.
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Consider the following two compounds: H2O and H2O2. According to the law of multiple proportions, the ratio of hydrogen atoms per gram of oxygen in H2O to hydrogen atoms per gram of oxygen in H2O2 is:A. 4:1B. 2:2C. 1:2D. 2:1E. 1:1 D 21
The answer is D, 2:1. The ratio of hydrogen atoms per gram of oxygen in H2O is 2:1, and the ratio of hydrogen atoms per gram of oxygen in H2O2 is 2:2.
The law of multiple proportions states that the ratio of elements in different compounds of the same elements is a whole number. In H2O, there are two hydrogen atoms for every oxygen atom, meaning the ratio of hydrogen atoms per gram of oxygen is 2:1. In H2O2, there are two hydrogen atoms and two oxygen atoms, meaning the ratio of hydrogen atoms per gram of oxygen is 2:2. However, the question asks for the ratio of H2O to H2O2, meaning it is 2:1.
This law helps to confirm the atomic theory and shows that elements can combine in definite proportions to form compounds. It is also important in determining the empirical formula of a compound, which represents the simplest ratio of the elements present in a compound.
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Complete each of the statements regarding amino acids. Select the amino acid that fits best in each category. 1. An example of a basic amino acid is 2. An example of an acidic amino acid is 3. An example of a neutral polar amino acid is 4. An example of a hydrophobic amino acid is
An example of a basic amino acid is Lysine. An example of an acidic amino acid is Glutamic acid. An example of a neutral polar amino acid is Asparagine. An example of a hydrophobic amino acid is Glycine.
Organic substances known as amino acids have both amino and carboxylic acid functional groups. Alpha-amino acids, which make up proteins, are by far the most significant of the hundreds of amino acids found in nature. In the genetic code, only 22 alpha amino acids are present.
Body protein as well as other vital nitrogen-containing substances including creatine, peptide hormones, and some neurotransmitters cannot be produced without amino acids. Despite the fact that allowances are represented as proteins, amino acids are a biological necessity.
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experiment 2: calculate the molar mass of fp sample 2. note that this sample dissociates to form two ions in solution.
The molar mass of fp sample is 74.5513 g/mol
What is molar mass?The molar mass of a sample is the mass of a single mole of the sample in grams. Since the sample dissociates to form two ions in solution, the molar mass will be the sum of the masses of the two ions. To calculate the molar mass, you need to know the mass of each ion, which can be calculated by multiplying the atomic mass of each element in the ion by the number of atoms of that element in the ion. For example, if the sample is KCl, the molar mass would be calculated as follows:
Molar mass = atomic mass of potassium (39.0983 g/mol) * 1 atom of potassium + atomic mass of chlorine (35.453 g/mol) * 1 atom of chlorine
Molar mass = 39.0983 g/mol + 35.453 g/mol
Molar mass = 74.5513 g/mol
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Using the data in the Reagents and Properties table, calculate the theoretical yield of methoxybenzaldehyde in grams, assuming you start with 1.50 g of the alcohol. (Assume the alcohol is the limiting reactant). Be sure to show your work: you will NOT receive credit if work is not shown. You may wish to make a copy of this calculation to assist you with your post-lab questions
The theoretical yield of methoxy benzaldehyde is 1.47 g.
We must determine the quantity of p-methoxybenzyl alcohol consumed in the process in order to compute the theoretical yield of methoxy benzaldehyde.
The amount of methoxy benzaldehyde produced will be equal to the amount of p-methoxybenzyl alcohol consumed in the reaction because it is the limiting reactant.
Because the molar mass of 1.5 g of p-methoxybenzyl alcohol is 138.15 g/mol, its moles can be computed as follows:
moles of p-methoxybenzyl alcohol = 1.5 g / 138.15 g/mol = 0.0108 mol
Methoxy benzaldehyde's theoretical yield can be computed as follows:
Theoretical yield (g) = p-methoxybenzyl alcohol moles × the methoxy benzaldehyde molar mass (g/mol) = 0.0108 mol x 136.15 g/mol, or 1.47 g.
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orderly crystal shapes, high melting points, and electrical conductivity when dissolved in water are properties of ionic compounds. (True or False)
True. Ionic compounds are made up of ions, which are atoms that have a positive or negative charge due to the gain or loss of electrons.
What is atoms ?Atoms are the building blocks of all matter in the universe. They are the smallest particles that make up elements and are composed of protons, neutrons, and electrons. Atoms are so small that they can only be seen with the aid of powerful microscopes. They are the fundamental particles of chemistry and cannot be broken down into anything simpler. Atoms are the basic unit of matter and each atom has its own unique chemical properties. The combination of these properties determines the physical and chemical characteristics of the substances made up of atoms. Atoms can combine with other atoms to form molecules, and molecules can combine to form compounds. This is the basis of all chemical reactions and the foundation of modern chemistry.
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calculate the mass in g of agarose required to make 200 ml of a 1.2% agarose gel. record the answer to one decimal place
The mass in g of agarose required to make 200 ml of a 1.2% agarose gel is 2.4 g.
Agarose gel is defined as a three-dimensional matrix which is formed from helical agarose molecules in supercoiled bundles that are aggregated into three-dimensional structures with channels and pores through which biomolecules can pass.
Agarose gel electrophoresis is the main use of agarose gel which has proven to be an efficient and effective way of separating nucleic acids.
1.2% refers that 1.2 g of agarose is required to make 100 ml of agarose gel.
So, 200 ml of agarose gel will require 2.4 g of agarose.
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limiting reagent!
Please help me with these 5 questions and show the problem solving
(there’s a picture)
O2 is the limiting reagent and yields 20.4g of CO2.
Describe limiting reagent
The limiting reactant, also known as the limiting reagent, is the reactant that is used first during a chemical reaction, hence restricting the amount of product that can be produced.
2C₂H₂ + 5O₂ → 4CO₂ + 2H₂O
Quantity of C2H2 moles:
Moles equal mass divided by molar mass
13.7 g/26.04 g/mol is the number of moles.
= 0.526 mol.
O2 moles are calculated using the formula: moles = mass / molar mass.
18.5 g/32 g/mol = the number of moles
= 0.578 mol
Produced CO2 mass:
Number of moles times molar mass equals mass
Mass = 0.4622 mol at 44 g/mol
Mass = 20.328 g
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sodium has 11 electrons arranged in three energy levels. the outer level has only one electron. in order to become stable, the atom loses an electron thus exposing the previous level with 8 electrons and subsequently becomes an ion with (a/an)____
Sodium has 11 electrons arranged in three energy levels. The outer level has only one electron, which means that sodium is an electron short of having a full outer energy level. To become stable, sodium loses this electron, exposing the previous energy level with 8 electrons, and becomes a positively charged ion, also known as a cation. So, sodium becomes an ion with a +1 charge.
Sodium is a chemical element with the symbol Na and atomic number 11. It is located in Group 1 of the periodic table and is considered an alkali metal. Sodium atoms have 11 electrons arranged in three energy levels, with the outermost energy level having only one electron. This electron configuration makes sodium highly reactive and unstable, as atoms strive to attain stability by having a full outer energy level of electrons.
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What is the mass in grams of 13.26 mL of acetone?
The density of acetone is 0.79 g/ml. Therefore, the mass of acetone for 13.26 ml is the product of its volume and density that is, 10.47 g.
What is density ?Density of substance is the measure of its mass per unit volume. It describes how closely its particles are packed. Density depends on the bond type, temperature and pressure.
Volume of the object is the space occupied by its particles. Volume can be expressed in L, ml, cm³, dm³ etc. Only solids and liquids has a definite volume and the volume of gases is that of the container.
Give that, volume of the object = 825 cm³
density = 13.6 g/cm³
Mass = volume × density
m = 13.26 ml × 0.79 g/ml = 10.47 g
Therefore, the mass of acetone is 10.47 g.
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What percentage of energy sources are found underground
Energy sources found underground Oil, natural gas, and coal are collectively called fossil fuels.
What energy sources are found underground?sources of energy are fossil fuels formed within the Earth from dead plants and animals over millions of years—hence the name “fossil” fuels. They are established in underground layers of rock and dregs. Nonrenewable energy resources involve coal, natural gas, and oil, ... They are found in underground layers of rock and lees.
Still oil and natural gas will pursue to be the world's top two energy sources accounting for about 60 percent of global demand main energy sources are generally restricted as renewable or nonrenewable on the basis of whether they draw on an exhausted energy resource.
So we can conclude that Even today, oil, coal, and gas serve about 80 chunks of our energy source needs.
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carboxylic acids are typically prepared using oxidation reactions. which of the functional groups below can be oxidized to give a carboxylic acid product? select all that apply.A) Primary alcohols
B) Phenols
C) Secondary alcohols
D) Alkynes
Primary alcohols and alkynes can be oxidized to give carboxylic acid products.
Addition of an oxidizing agent such as potassium permanganate (KMnO4) to acidic, alkaline, or neutral media shows the oxidation of primary alcohols to carboxylic acids. Aldehydes can be converted to carboxylic acids by using mild oxidizing agents. Oxidation of primary alcohols is a common method for the synthesis of carboxylic acids.
RCH2OH → RCOOH. This requires strong oxidants, most commonly chromic acid (H2CrO4), potassium permanganate (KMnO4), and nitric acid (HNO3). Primary alcohols and aldehydes are typically oxidized to carboxylic acids with potassium dichromate(VI) solution in the presence of dilute sulfuric acid.
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Which compounds give a NMR spectrum with two signals in a ratio of 2:3?Knowing the molecular formula of a compound and integration values from its NMR spectrumgives the actual number of protons responsible for a particular signal.
Compounds give a NMR spectrum with two signals in a ratio of 2:3 are
CH3CH2ClCH3CH2CH3CH3CH2OCH2CH3CH3OCH2CH2OCH3 (there are two types of hydrogen atoms, the ratio is 6:4 or 3:2)
About hydrogenHydrogen is a chemical element with symbol H and atomic number 1 on the periodic table. At standard temperature and pressure, hydrogen is a colorless, odorless, nonmetallic, monovalent, and highly flammable diatomic gas.
Hydrogen can also be produced from water by electrolysis, but this process is commercially more expensive than producing hydrogen from natural gas. The most abundant isotope of hydrogen in nature is protium, whose nucleus has only one proton and no neutrons.
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Draw to scale the lines where the equipotential surfaces due to these plates intersect the paper. Limit your drawing to the region between the plates, avoiding their edges, and draw the lines for surfaces that are 10.0 V apart, starting at the low-potential plate.
how would my graph look?
The field strength is measured in Volts / meter (V/m). The voltage is 50V. The distance is 'halfway between' 25cm ( = .25m), or .125m. The field strength is thus = 50V / .125m = 400 V/m
Equipotential surfaces are surfaces where the potential difference is constant. In the given scenario, the two parallel metal plates are connected across a 50.0V battery, and the equipotential surfaces due to these plates will intersect the paper in the region between the plates.
The lines representing the equipotential surfaces will be perpendicular to the electric field lines and will be parallel to each other. The equipotential surfaces will start at the low-potential plate and be 10.0V apart, with the potential increasing as you move away from the low-potential plate. The equipotential surfaces will be closer together near the high-potential plate and further apart near the low-potential plate.
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Two very large metal parallel plates that are 25cm apart, oriented perpendicular to a sheet of paper, are connected across the terminals of a 50.0V battery. Draw to scale the lines where the equipotential surfaces due to these plates intersect the paper. Limit your drawing to the region between the plates, avoiding their edges, and draw the lines for surfaces that are 10.0 V apart, starting at the low-potential plate.