The empirical formula for a compound that contains 82.66% C and 17.34% H is [tex]C_{2}H_{5}[/tex].
The empirical formula of a compound represents the simplest whole-number ratio of elements in the compound. To find the empirical formula from the percentage composition, we need to convert the percentages to masses and then to moles.
First, we can calculate the mass of each element in a 100 gram sample of the compound:
Mass of C = 82.66 g C / 100 g sample = 0.8266 g C
Mass of H = 17.34 g H / 100 g sample = 0.1734 g H
Next, we convert the masses to moles:
Moles of C = 0.8266 g / 12.01 g/mol = 0.0686 mol
Moles of H = 0.1734 g / 1.01 g/mol = 0.1717 mol
Finally, we divide each moles value by the smallest moles value to get the simplest whole number ratio of the elements:
Moles of C / 0.0686 mol = 1
Moles of H / 0.0686 mol = 2.5
Therefore, The empirical formula for a compound that contains 82.66% C and 17.34% H is [tex]C_{2}H_{5}[/tex].
To know more about empirical formula refer to:
brainly.com/question/14044066
#SPJ4
If you used the method of initial rates to obtain the order for no2 , predict what reaction rates you would measure in the beginning of the reaction for initial concentrations of 0. 200 m , 0. 100 m , and 0. 050 m no2.
If the order of reaction with respect to NO2 is 1, I would expect to observe the following initial rates:
[tex]For[/tex] [tex][NO2] = 0.200 M, rate = k * [NO2]^1 = k * 0.200^1 = k * 0.200[/tex]
[tex]For [NO2] = 0.100 M, rate = k * [NO2]^1 = k * 0.100^1 = k * 0.100[/tex]
[tex]For [NO2] = 0.050 M, rate = k * [NO2]^1 = k * 0.050^1 = k * 0.050[/tex]
The strategy for initial rates is a typical approach to deciding the order of a reaction regarding a given reactant. The idea is to measure the initial rate of reaction for various initial concentrations of that reactant.
Then utilize the data to decide the relationship between the reaction rate and the concentration of that reactant.
Let us assume that the reaction has the general form:
aA + bB - > products
where An and B are the reactants and an and b are the orders of reaction concerning each reactant. The rate of the reaction is given by the expression:
[tex]rate = k * [A]^a * [B]^b[/tex]
where k is the rate constant, which is autonomous of the reactant concentrations.
To utilize the strategy for initial rates, we would measure the initial rate of reaction for various initial concentrations of one of the reactants.
Suppose A. On the off chance that the order of reaction concerning A will be a, we would hope to notice the accompanying relationship between the initial rate and the concentration of A:
[tex]rate = k * [A]^a[/tex]
In this way, if the order of reaction with respect to NO2 is 1, we would expect to observe the following initial rates:
[tex]For[/tex] [tex][NO2] = 0.200 M, rate = k * [NO2]^1 = k * 0.200^1 = k * 0.200[/tex]
[tex]For [NO2] = 0.100 M, rate = k * [NO2]^1 = k * 0.100^1 = k * 0.100[/tex]
[tex]For [NO2] = 0.050 M, rate = k * [NO2]^1 = k * 0.050^1 = k * 0.050[/tex]
Thus, if the reaction order for NO2 is 1, we would hope to notice a linear relationship between the initial rate and the concentration of NO2, with the initial rate decreasing as the concentration of NO2 decreases.
To learn more about the order of reaction:
https://brainly.com/question/28179168
#SPJ4
The differential equation has an implicit general solution of the form where is an arbitrary constant. In fact, because the differential equation is separable, we can define the solution curve implicitly by a function in the form find such a solution and then give the related functions requested.
Where C1 is an arbitrary constant. This means the solution curve can be defined implicitly by the function F(x,y) = G(x) + H(y) = K
To find the solution to the given differential equation, we can first use the separability of the equation to separate the variables:
[tex]dy/dx = 35/(y^(1/8) + 25x^2y^(1/8))[/tex]
[tex]dy = (35/y^(1/8) + 25x^2y^(1/8)) dx[/tex]
Next, we can integrate both sides with respect to x:
[tex]∫dy = ∫(35/y^(1/8) + 25x^2y^(1/8)) dx[/tex]
[tex]y = ∫(35/y^(1/8) + 25x^2y^(1/8)) dx + C[/tex]
This is the general solution to the given differential equation in implicit form, where C is an arbitrary constant. To get the related functions requested, we can rearrange the equation as follows:
[tex]F(x,y) = ∫(35/y^(1/8) + 25x^2y^(1/8)) dx + C = K[/tex]
We can then separate the equation into functions G(x) and H(y):
[tex]G(x) = ∫(35/y^(1/8) + 25x^2y^(1/8)) dx + C1[/tex]
H(y) = K - C1
Where C1 is an arbitrary constant. This means the solution curve can be defined implicitly by the function F(x,y) = G(x) + H(y) = K
Learn more about differential equation:
https://brainly.com/question/28099315
#SPJ4
What is the density of NH3 at 800 torr and 25 degrees C?
The density of NH3 at 800 torr and 25 degrees is 0.7327 g/L
What is density?Density exactly is defined as the ratio of mass to volume. Although it is challenging to estimate the mass of gases using standard methods, it can typically be derived by dividing the mass of a matter by the volume it occupies. As a result, the ideal gas equation, PV = nRT, can be used to derive a formula for calculating the density of gas
formula for density d=P(FW)/RT
d = actually density, with an FW formula weight of 17.031 g/mol.
R = gas which is a constant, 0 .082 6 L atm K−1 mol−1
T = ,the exact temperature is 298k or 25c
P =Density ca n be calculated as follows:
d=P(FW)/RT
d = actually density, with an FW formula weight of 17.031 g/mol.
R = gas , which is the constant 0 .082 6 L atm K−1 mol−1
T =exact temperature is as 25 C or 298 K
P = pressure 1.053 atm or 800torr
Therefore,
d=P(FW)/RT
= 1.053 * 17.031 /0.08206 *298
= 0.733 g/ L
Therefore
d=P(FW)/RT
= 1.053 * 17.031 /0.08206 *298
= 0.733 g/ L
To know more about the density, visit:
https://brainly.com/question/29775886
#SPJ4
how much heat is released if a 10.0 gram piece of aluminum is cooled from 70°c to 50°c?
As a result, the aluminum emits -180 J of heat when it is reduced from 70 to 50 degrees Celsius.
Why does science increase the temperature?The mobility of atoms and molecules is accelerated when energy is added (heating), increasing the temperature. By withdrawing energy (cooling), atoms and molecules slow down and the temp drops as a result. Conduction is a technique that allows energy to be added to or taken away from a medium.
The following formula is used to calculate how much heat is emitted when aluminum is reduced from 70°C to 50°C:
Q = mcΔθ
where;
m is the aluminum's mass.
Specific heat capacity is c.
Δθ is a temperature change.
Q = (10)(0.9)(50 - 70) (50 - 70)
Q = -180 J
To know more about heat visit:
https://brainly.com/question/12473602
#SPJ4
how does each of the following affect the rate of evaporation of a liquid in an open dish?
The factors that can affect the rate of evaporation of a liquid in an open dish are surface area, temperature, air movement, humidity, and concentration.
The following factors can affect the rate of evaporation of a liquid in an open dish:
1.Surface Area: The larger the surface area of the liquid, the faster it will evaporate. This is because a larger surface area allows more molecules to escape into the air, increasing the rate of evaporation.
2.Temperature: The temperature of the liquid directly affects its evaporation rate. The higher the temperature, the faster the liquid will evaporate. This is because the increased heat energy increases the kinetic energy of the molecules, allowing more of them to escape into the air.
3.Air Movement: The movement of air can increase the evaporation rate of a liquid. Air movement increases the rate of exchange of vapor and air, which increases the rate of evaporation.
4.Humidity: The relative humidity of the air affects the rate of evaporation of a liquid. If the air is already saturated with water vapor, it will be more difficult for the liquid to evaporate. The lower the relative humidity, the faster the liquid will evaporate.
5.Concentration: The concentration of solute in a solution affects the rate of evaporation. A more concentrated solution will evaporate more slowly than a less concentrated solution, as the increased number of solute molecules will interfere with the escape of solvent molecules into the air.
Overall, the factors that can affect the rate of evaporation of a liquid in an open dish are surface area, temperature, air movement, humidity, and concentration.
To learn more about evaporation:
https://brainly.com/question/5019199
#SPJ4
A solution contains 22. 4 g glucose (c6h12o6) dissolved in 0. 500 l of water. What is the molality of the solution? the density of the solution is 1. 02 g/ml.
The molality of the solution is approximately 0.244 mol/kg.
What is molality?
Molality is a measure of the concentration of a solute in a solution, defined as the number of moles of solute per kilogram of solvent. Unlike molarity, which is a measure of the concentration of a solute in terms of the number of moles per liter of solution, molality is a measure of the concentration in terms of the mass of the solvent.
To find the molality of a solution, we need to know the mass of solute (glucose) and the mass of solvent (water) in the solution. The molality of a solution is defined as the number of moles of solute per kilogram of solvent.
Given that the solution contains 22.4 g of glucose dissolved in 0.500 L of water (which can be converted to mass using the density of water, 1 g/mL), we can find the molality as follows:
Convert the volume of the solvent to mass:0.500 L * 1.02 g/mL = 0.510 g (water)
Find the number of moles of solute:22.4 g / ( molecular weight of glucose, which is ~180.18 g/mol) = 0.1245 moles
Find the molality:0.1245 moles / (0.510 g / 1000 g/kg) = 0.244 mol/kg
So, the molality of the solution is approximately 0.244 mol/kg.
To learn more about molality:
https://brainly.com/question/24065939
#SPJ4
why is it difficult to diagnose HIV and AIDS without an HIV blood test
a molecule of trna includes a sequence of three nitrogenous bases called an anticodon. what is the role of the anticodon in the process of translation?
The role of the anticodon in the process of translation is to bind to a codon on mRNA
An anticodon is a trinucleotide sequence of RNA that is complementary to a codon in messenger RNA (mRNA). It is located on a transfer RNA (tRNA) molecule and is responsible for recognizing and binding to specific codons during protein synthesis.
The anticodon pairs with the codon through base-pairing interactions, which ensure the proper transfer of the correct amino acid from the tRNA to the growing polypeptide chain.
During protein synthesis, the ribosome moves along the mRNA and reads the codons, which determine the sequence of amino acids in the resulting protein. The ribosome then selects the appropriate tRNA molecule based on the anticodon sequence, which is complementary to the codon on the mRNA.
The tRNA carries the appropriate amino acid that corresponds to the codon and transfers it to the growing polypeptide chain. This process continues until a termination codon is reached and the protein is complete.
Therefore, The role of the anticodon in the process of translation is to bind to a codon on mRNA
To know more about anticodon refer to:
brainly.com/question/16552442
#SPJ4
How many of the following processes are nonspontaneous? climbing stairs dissolving salt in water converting table salt to its elements 2H2O(l) → 2H2(g) + O2(g) A) 0 B) 1 C) 2 D) 3 E) 4
The number of the following process are the non spontaneous is the correct option is D) 3.
The non spontaneous process is the process that requires the energy input to proceed further. The non spontaneous process requires energy to occur. In the non spontaneous process the total energy of the product formed is higher than the energy of the reactants. The non spontaneous reaction have the positive enthalpy and it will decreases the entropy.
Thus, the process which do not procced by itself or by its own and occur if external energy is provided then this process is said to be non spontaneous process.
To learn more about non spontaneous process here
https://brainly.com/question/10601562
#SPJ4
rank the relative strength of intermolecular forces for small molecules. A. ion-dipole > hydrogen bonding > dipole-dipole > dispersion B. ion-dipole > dipole-dipole > hydrogen bonding > dispersion C. hydrogen bonding > ion-dipole > dipole-dipole > dispersion D. dispersion > dipole-dipole > hydrogen bonding > ion-dipole
Option A , Ion-dipole > hydrogen bonding > dipole-dipole > dispersion
How do intermolecular forces of attraction work?Intermolecular forces are the direct interactions that bind liquid or solid molecule together. It is a specific kind of chemical connection that takes place between molecules and is often weaker than intramolecular forces. These intermolecular forces, despite being weaker, govern some of the substances' most crucial characteristics, including boiling temperature, melting point, enthalpy of fusion, vaporization, and density. Ion-dipole > hydrogen bonding > dipole-dipole > dispersionIon-dipole interactions, which are attracted to one other by a persistent dipole, are the strongest intermolecular forces of attraction. Be aware that an ion's charge is more powerful and more persistent than a dipole's. The next step is hydrogen bonding, a unique kind of dipole-dipole interaction that results from the significant difference in electronegativity that permanently separates the charge. The remaining interactions between dipoles are weaker than hydrogen bonds. The London dispersion forces are the weakest intermolecular interactions since the dipoles are merely produced by the arbitrary movement of electrons within the bonds.
To know more about the intermolecular forces, visit:
https://brainly.com/question/9007693
#SPJ4
the solubility of o2 in water is 5.85 x 10-4 m at 25 oc and 0.45 atm of o2 pressure . what will the solubility be when the partial pressure of o2 is one-fourth of the original pressure? group of answer choices 0.0023 m 0.0052 m 0.0013 m 0.00026 m 0.00015 m
The solubility of gas (O2) in water will be 1.49 x 10^-4 M when the partial pressure of O2 is one-fourth of the original pressure i.e. option E : 0.00015 M
The solubility of a gas in water is directly proportional to the partial pressure of the gas above the solution. This relationship is described by Henry's law, which states that the solubility of a gas in a solvent is proportional to the pressure of the gas above the solvent.
Therefore, if the partial pressure of O2 is one-fourth of the original pressure, the solubility of gas (O2) in water will be proportional to the new pressure, which is 0.45 atm / 4 = 0.1125 atm.
So, the new solubility of gas (O2) in water will be:
New solubility = original solubility * (new pressure / original pressure)
New solubility = 5.85 x 10^-4 M * (0.1125 atm / 0.45 atm)
New solubility = 1.49 x 10^-4 M
Therefore, the solubility of gas (O2) in water will be 1.49 x 10^-4 M when the partial pressure of O2 is one-fourth of the original pressure.
To know more about the solubility of gas, click here : https://brainly.com/question/23204201
#SPJ4
When ammonium nitrate (NH,NO,) explodes, the products are nitrogen, oxygen, & water. When 30 grams of ammonium nitrate explode, 15 grams of nitrogen and 5 grams of oxygen form. How many grams of water form?
The mass of the water that was formed is 20 g
What is the mass of the water?The law of conservation of mass states that the total mass of substances in a closed system remains constant during a chemical reaction. This means that the mass of the reactants must be equal to the mass of the products.
The law of conservation of mass is a fundamental principle of chemistry and is a cornerstone of our understanding of the behavior of matter and energy in chemical reactions.
The total mass that exploded is 30 grams hence the mass of the water that was formed is;
30 - (15 + 5)
= 20 g
Learn more about conservation of mass:https://brainly.com/question/13383562
#SPJ1
A solution is prepared by combining 5. 00 ml of 4. 8x10-4 m nascn solution, 2. 00 ml of 0. 21 m fe(no3)3 solution and 13. 00 ml of 0. 3 m hno3. Calculate the analytical concentrations of scn-.
Molar analytical concentration is the total number of moles of a solute in 1 L of solution, independent of its chemical state. The molar analytical concentration outlines how to produce a solution of a specific concentration.
Molarity = moles / litres
Therefore moles = molarity x L
For NaSCN solution
moles in 5.0 ml (0.005 L) of 4.8x10-4 M NaSCN
moles NaSCN = 4.8 x10-4 M x 0.005 L
moles = 0.024x10-4 moles or 2.4x10-6
Moles per L is Molarity
Hence molarity =2.4x10-6M
For each molecule of NaSCN, 1 molecule of Na+ and 1 molecule of SCN¯ will be formed .
NaSCN→ Na+ + SCN¯
Hence the analytical concentration of SCN¯ is also= 2.4x10-6M
For Fe(NO3)3 solution
moles in 2.0 ml (0.002 L) of 0.21 M Fe(NO3)3
moles Fe(NO3)3= 0.21 M x 0.002 L
moles = 0.042 moles
Moles per L is Molarity
Hence molarity =0.042M
Fe(NO3)3→ Fe3+ + 3NO3¯
For each molecule of Fe(NO3)3 , 1 molecule of Fe3+ and 3 molecules of NO3¯ will be formed .
Hence the analytical concentration of Fe3+ is also= 0.042M
Learn more about analytical concentration
https://brainly.com/question/14674134
#SPJ4
Explain how the groundwater system could heat the air in the schoo
Answer:
Groundwater systems are formed by the permeable layers of soil and rock that allow water to flow through them. When this water is heated by the Earth's internal heat, it can rise to the surface and release heat into the air above. In the case of a school, if the school is located near a groundwater system, the heated water from the system can potentially heat the air in the school. This occurs because the warm water rises and releases its heat into the air, causing the air temperature to increase. This is known as geothermal heating and it is a natural process that can be harnessed for heating purposes. If the school is designed to take advantage of this heating source, it can provide a more energy-efficient and environmentally friendly solution for heating the air in the school.
What happens to the concentration of reactants at equilibrium?
The concentration of reactants at equilibrium is equal to the concentration of the product.
At the equilibrium, the concentration of the reactants and the products will be exactly equal. The Number of the reactants reacting in the chemical reaction will be equal to the number of the products formed in the chemical reaction.
If the concentration of the reactants decreases , the position of the equilibrium moves to the left side , that is at the reactant side. The equilibrium defined as the state of the balance. Chemical equilibrium can be expressed as the state of the system in which the reactant concentration and the product concentration do not change.
To learn more about equilibrium here
https://brainly.com/question/29325971
#SPJ4
Stoichiometry Worksheet
1. According to the equation, what mass of hydrogen fluoride is necessary to produce
2. 3 g of sodium fluoride?
HF + NaNO3 → HNO3 + NaF
Answer:
The stoichiometry of the equation tells us the ratios of the reactants and products. To determine the amount of hydrogen fluoride required to produce 3 g of sodium fluoride, we need to use the balanced chemical equation.
The balanced equation is:
HF + NaNO3 → HNO3 + NaF
1 : 1 : 1 : 1
Since the ratio of sodium fluoride to hydrogen fluoride is 1:1, we need an equal amount of hydrogen fluoride to produce 3 g of sodium fluoride, i.e. 3 g of hydrogen fluoride.
The amount of hydrogen fluoride required to produce 3 g of sodium fluoride would be 3 g.
Explanation:
What is the cation in KF?
A. K1-
B. F1+
C. K1+
D. F1-
Answer:
[tex]c. {k}^{1+} [/tex]
Explanation:
Because the charge of K is 1+ and the charge of F is 1-.
Cation is positively charged ion therefore
[tex] {k}^{ 1 + } [/tex]
is the Cation in KF
Option C is correct. The cation in KF will be K¹⁺
Cation: It is defined as the species or ions which carry positive charges. For example: Na⁺, Ca²⁺, NH⁴⁺, etc.
Potassium fluoride: Potassium fluoride is the chemical compound having chemical formula KF. After hydrogen fluoride, KF is the primary source of the fluoride ion for applications in manufacturing in chemistry. It is an alkali halide and it occurs naturally as the rare mineral carobbiite.
KHF₂ → KF +HF
The cation in KF will be K¹⁺. Because the charge of K is 1⁺and the charge of F is 1⁻.
Cation is positively charged ion therefore, K¹⁺is the Cation in KF
To know more about cation here
https://brainly.com/question/28710898
#SPJ4
4. what is the color of phenolphthalein indicator in: a. acidic solution_______________________ b. basic solution_____________________
The color of the phenolphthalein indicator in:
a. acidic solution = colorless
b. basic solution = pink color
The color of phenolphthalein indicator in the acidic solution is the colorless and in the basic solution is pink color. The indicator is the substance that gives the visible sign, and a color change, of the presence or the absence of the threshold concentration of the chemical species like as the acid or an alkali in the solution.
In the acid-base titrations, the phenolphthalein is generally used as the indicator. It will turn the colorless in acidic solutions and gives the pink in basic solutions for this application.
To learn more about phenolphthalein here
https://brainly.com/question/15597198
#SPJ4
in this reaction, you observed several different cu species which had different physical attributes. select the appropriate chemical formula(s) that corresponds to a sky blue solution
The color of a solution can often give us a clue about the type of species present in it. In a chemical reaction, the observation of a sky blue solution suggests the presence of copper (Cu) species. The exact chemical formula of these species can vary, depending on the conditions of the reaction.
Copper (Cu) can exist in different oxidation states, ranging from +1 to +2. When dissolved in water, these different oxidation states of Cu can form different species, each with its unique properties. The most common Cu species present in a sky blue solution are Cu^2+ and Cu(OH)2^-.
Cu^2+ is a positively charged ion and is the result of Cu in its +2 oxidation state. This ion is highly soluble in water and has a blue color.
Cu(OH)2^- is a negatively charged ion and is formed from the reaction of Cu^2+ with hydroxide (OH-) ions in water. This species also contributes to the blue color of the solution.
In summary, the appropriate chemical formula for a sky blue solution is Cu^2+ and Cu(OH)2^-. These species are responsible for the blue color of the solution and are likely the result of copper in its +2 oxidation state reacting with hydroxide ions in water.
Here you can learn more about oxidation state
https://brainly.com/question/28793261#
#SPJ11
according to collision theory, what is/are the essential qualification(s) that must occur for a reaction to form products? choose one or all that apply. not all molecular collisions lead to the formation of products. in fact, only a small fraction of collisions lead to product formation. according to collision theory, what is/are the essential qualification(s) that must occur for a reaction to form products? choose one or all that apply. reacting particles must have the proper orientation. reacting particles must only be gaseous. reacting particles must have sufficient mass. reacting particles must collide. reacting particles must have sufficient energy.
According to collision theory, the essential qualification(s) that must occur for a reaction to form products are reacting particles must have the proper orientation, reacting particles must collide and reacting particles must have sufficient energy. Therefore, option A, D and E are correct.
What is collision theory ?According to collision theory, for a chemical reaction to occur, the reacting particles must collide with one another. The reaction rate is determined by the frequency of collisions. According to the theory, reacting particles frequently collide without reacting.
Collision theory, as the name implies, describes how collisions, specifically collisions between particles, result in chemical change. The formation of entirely new substances is referred to as chemical change.
Thus, option A, D and E are correct.
To learn more about the collision theory, follow the link;
https://brainly.com/question/14566831
#SPJ1
a 0.20 m solution of an unknown weak acid has ph = 1.00. what is the ka value of this acid?
The dissociation constant of a weak acid with 0.2 molar concentration and ph =1 is 1.0x 10-8
Let take a weak acid HA dissociation of HA here
HA (aq) + H2O(l)⇌A−(aq) + H3O+(aq)
Given pH=1
As you know, the pH of the solution is defined as
pH=−log([H3O+])
we can write the equation as
log([H3O+]) = −pH
This is equivalent to
10log([H3O+]) =10−pH
which gets you
[H3O+] =10−pH
In your case, you will have
[H3O+] =10−1.0 = 1.0⋅10−1 M
Now, notice that every mole of HA that ionizes produces 1 mole of A−, the conjugate base of the acid, and 1 mole of hydronium cations.
This means that, at equilibrium, the solution has
[A−]=[H3O+] → produced in a 1:1 mole ratio
In your case, you have
[A−]=1.0⋅10−1M
This means that, at equilibrium, the concentration of the weak acid will be equal to
[HA]=[HA]initial−[H3O+]
In your case, you will have
[HA]=0.01 M−1.0⋅10−1M
[HA]=0.00999 M
By definition, the acid dissociation constant, Ka, will be equal to
Ka=[A−]⋅[H3O+] [HA]
Plug in your values to find
Ka=1.0⋅10−5M⋅1.0⋅10−5. M 0.00999M
Ka=1.001⋅10−8 M Ka=1⋅10−8
Know more about equilibrium here:
https://brainly.com/question/28527601
#SPJ4
the natural abundance of sulfur-33 (33s) is 0.76%. how many sulfur-33 isotopes are present in 10000 sulfur atoms answer
The amount of sulfur-33 isotopes are present in 10000 sulfur atoms are 76. It can be calculated by multiple the abundance of sulfur with total atoms.
In the term of chemistry, natural abundance generally can be defined as the abundance of isotopes of a chemical element as naturally found on a planet. The relative atomic mass of these isotopes in the term of chemistry can be defined as the atomic weight listed for the element in the periodic table.
The amount of sulfur-33 isotopes are present in 10000 sulfur atoms = natural abundance of sulfur x total sulfur atoms
The amount of sulfur-33 isotopes are present in 10000 sulfur atoms = 0,76% x 10000
The amount of sulfur-33 isotopes are present in 10000 sulfur atoms = 0,0076 x 10000
The amount of sulfur-33 isotopes are present in 10000 sulfur atoms = 76 isotopes of sulfur 33
Here you can learn more about abundance isotopes https://brainly.com/question/24873591
#SPJ4
What is the difference between deutan and protan?
The difference between deutan and protan are mentioned below.
What is deutan ?
Deuteran color blindness, also known as deuteranomaly, is a form of red-green color blindness when the eye's green cones over- or under-recognize red and under-recognize green light. Red, yellow, green, and brown therefore have a tendency to seem alike, especially in dim lighting.
What is protan?
Those who have protanomaly, a form of red-green color blindness in which the red cones are overly sensitive to greens, yellows, and oranges and do not detect enough red, are known as proton. Because of this, colors like green, yellow, orange, red, and brown could look the same, especially in dim light.
A type of red green color blindness known as deutan is caused by an aberration in the M cone of the retina, whereas a variety of red green color blindness known as protan is caused by an anomaly in the L cone of the retina. The main distinction between deutan and proton is thus this.
Therefore, The difference between deutan and protan are mentioned above.
Learn more about deutan from the given link.
https://brainly.com/question/13079417
#SPJ4
A 3.000 g sample of a gaseous compound was found to contain 2.560 g of carbon and 0.440 g of hydrogen. (part A) What is the simplest formula of the compound (write C first and then H)?
(part B) the molar mass of the compound was found to be 42.08g/mol. What is the molecular formula of the compound?
A 3 g sample of a gaseous compound was found to contain 2.560 g of carbon and 0.440 g of hydrogen. The simplest formula is CH₂ and the molecular formula is C₃H₆.
The mass of the carbon = 2.560 g
The moles of the carbon = mass / molar mass
= 2.560 / 12
= 0.213 mol
The mass of the hydrogen = 0.440 g
The moles of the hydrogen = 0.440 / 1
= 0.440 mol
Dividing by the smallest one :
C = 1
H = 2
The simplest formula is CH₂
The molar mass of CH₂ = 12 + 2 = 14 g/mol
The molar of compound = 42.04 g/mol
n = 42.08 / 14
n = 3
The molecular formula = n ( empirical formula )
= C₃H₆
To learn more about molecular formula here
https://brainly.com/question/15252712
#SPJ4
does aluminum oxide or magnesium oxide have higher lattice energy
Magnesium oxide have higher lattice energy than aluminium oxide. Because of larger size of aluminium oxide its lattice energy is less than magnesium oxide.
Enthalpy is the term that is basically used in thermodynamics to show the overall energy that a matter have. Mathematically, it is observed that enthalpy is directly proportional to specific heat capacity of a substances.
Enthalpy can be formulated as,
q = n × ΔH
where,
q = amount of heat
n = no of moles
ΔH = enthalpy
n = w / M.M
w = given mass
M.M = molar mass
Lattice energy is also directly proportional to product of charges on ions and inversely proportional to size of the ions. Since the charges are same, the only difference is in size of cation. Al is larger in size so, it has lesser lattice energy.
Therefore, because of larger size of Al, lattice energy of aluminium oxide is lower than magnesium oxide.
Learn more about lattice energy from the link given below.
https://brainly.com/question/29570387
#SPJ4
A doctors office pi’s deciding between buying 2 different sized cups. The cups are shown. Before deciding which siz to buy, they determine how much water each size cup can hold. How much more water in cubic inches can the larger cup hold than the smaller cup?
The larger cup can hold 9.8 cubic inches more water than the smaller cup.
How much more water in cubic inches can the larger cup hold than the smaller cup?This is an example of the scientific process of experimentation and observation.The doctors office pi is attempting to determine which cup size to purchase.To do this, they need to observe and measure the capacity of each cup.They can measure the capacity of each cup by filling it with a known amount of water and then measuring the amount of water in cubic inches.Once they have measured the capacity of each cup, they can then compare the two and determine how much more water the larger one can hold than the smaller one.By using the scientific method, the doctors office pi can make an informed decision on which cup size to purchase.This example demonstrates how the scientific method can be used to make decisions based on facts and data.To learn more about The capacity differential between the two cups refer to:
https://brainly.com/question/8034291
#SPJ1
draw curved arrow notation to convert the structure to a resonance structure where all atoms have octets.
The resonance structures are the set of the lewis structures which describes the delocalization of the electrons in the molecule.
The resonance structures shows the delocalization of the electrons in the molecule. The resonance structures are used to represent the multiple structures of the single polyatomic molecule. The resonance structures have the same number of the electrons, we can not add or subtract the electrons.
All the resonance structures should follow the rules of the writing the lewis structures. The same number of the paired and the unpaired of the electrons should take part in the resonance. The resonance structures are attached below .
To learn more about resonance here
https://brainly.com/question/28734136
#SPJ4
Based on the octet rule, how many electrons do atoms want to have?
Responses
A eighteight
B sixsix
C sevenseven
D eighteen
Answer:
Based on the octet rule, how many electrons do atoms want to have? -Ans: D (eighteen)
What is the formula of the compound in which the atom combining ratios are: phosphorus : sulfur : chlorine 1:1:3 %3D Enter elements in the order given:
The formula for the compound with the atomic ratio of phosphorus : sulfur : chlorine 1:1:3 is PCl₃S.
What is an atom?An atom is known as the basic unit of matter and the defining structure of elements. The term "atom" originates from the Greek word for indivisible, because it was once thought that atoms were the smallest things in the universe and could not be divided.
Atoms consist of a nucleus, which is made up of protons and neutrons, surrounded by electrons. The number of protons in the nucleus of an atom determines the atomic number of that element, and therefore its identity. The electrons are arranged in shells around the nucleus and determine the chemical properties of the element.
To know more about protons, visit:
https://brainly.com/question/1252435
#SPJ4
what gas fills the balloon in this experiment?
According to then question Helium is used to fill balloons in this experiment.
What is Helium?Helium is an inert, monatomic, non-toxic gas with the atomic number 2. It is the second most abundant element in the universe and the second lightest element on the periodic table. Helium is colorless, odorless, and tasteless, and it is non-flammable and non-reactive. It is used in a variety of applications, including welding, pressurizing rockets and space shuttles, and in cryogenic research. It is also used in medical imaging and in MRI scanners, as it has a low atomic number that makes it safe to use in these applications. Helium is also used in balloons, blimps, and airships, since its low density makes it a good lifting gas. Helium has a boiling point of -268.9 degrees Celsius and a melting point of -272.2 degrees Celsius, making it the coldest element on the periodic table.
To learn more about Helium
https://brainly.com/question/26226232
#SPJ4