Which substance contains bonds that involved the transfer of electrons from one atom to another ?
1)ch4
2)h2o
3)nh3
4)fecl3

Answers

Answer 1

Electrons are transferred from one atom to the other during ionic bonding. Among the given compounds, FeCl₃ is an ionic compound in which three electrons are transferred from Fe atom each chlorine.

What are ionic compounds ?

Ionic compounds are formed between metals and non metals. Metals are electro rich and easily loss one or more electron from their valence shell. Nonmetals are mostly electronegative and will gain electrons to achieve octet.

Amon the given compounds all are covalent covalent compounds except  FeCl₃. In ferric chloride, Fe is in +3 oxidation state and losses three electrons each for three chlorine atoms.

Cl contains 7 valence electrons and it need one more electron to achieve octet. Hence, each Cl gains one electron from the Fe metal. Hence, option 4 is correct.

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Related Questions

Is an aqueous solution of NaHSO4 acidic, basic or neutral? Support your answer with a chemical equation. Hint: focus on HSO4- dissociation

Answers

An aqueous solution of sodium bisulfate (NaHSO4) is acidic. Sodium bisulfate dissociates in water to form the bisulfate ion (HSO4-) and the sodium ion (Na+). This reaction can be represented by the following chemical equation:

NaHSO4 (s) → Na+ (aq) + HSO4- (aq)

The bisulfate ion is a weak acid, and it dissociates further in water to form the sulfate ion ([tex]SO4^{2-}[/tex]) and the hydrogen ion (H+):

HSO4- (aq) → H+ (aq) + SO42- (aq)

This additional dissociation of HSO4- increases the concentration of H+ ions in the solution, making the solution acidic. The presence of H+ ions in the solution means that the solution has a pH of less than 7, which is the definition of an acidic solution.

What is an aqueous solution?

An aqueous solution is a sort of mixture in which one or more solutes have been dissolved in water as the solvent. Any kind of material, including salts, acids, bases, and sugars, can serve as solutes. The word "aqueous" describes a solution's water content. These kinds of solutions are prevalent in biology and chemistry and are essential to numerous industrial and natural processes.

An aqueous solution is one in which water serves as the solvent. In chemical equations, it is often represented by adding to the appropriate chemical formula. For instance, Na⁺ + Cl⁻ might be used to depict a solution of table salt, or sodium chloride, in water.

Water, which makes up around 70% of the mass of the human body and is necessary for life, serves as the solvent in aqueous solutions.

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Identity elements x has 2 electron in k shell 8 electron in L shell and 5 electron in M shell

Answers

Explanation:

Based on the information provided, it's possible to determine that the identity element in question is an element with atomic number 20, Calcium (Ca). Calcium has 2 electrons in the K-shell, 8 electrons in the L-shell, and 5 electrons in the M-shell.

as an acid sulfuric acid reacts with most bases to give the corresponding

Answers

As an acid sulfuric acid reacts with most bases to give the corresponding sulfate.

What is reaction ?

A chemical reaction is the transformation of one or more chemicals, known as reactants, into one or more new compounds, known as products. The change in concentration of any of the reactants or products per unit of time can be used to determine the rate or speed of a reaction. It is determined by the equation rate=time + concentration.

What is ion ?

Atoms or groups of atoms with an electric charge are referred to as ions. Cations are positive-charged ion particles. Anions are ion types that have a net negative charge. The body contains ions of several common chemicals. Examples that are frequently used are sodium, potassium, calcium, chloride, and bicarbonate.

Therefore, As an acid sulfuric acid reacts with most bases to give the corresponding sulfate.

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can someone please help me answer this. thank you if you help!

Answers

The element with the given electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p¹  is indium.

The Lewis dot structure is shown in the attached image.

What is the electronic configuration of indium?

The electronic configuration of indium can be written as 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p¹ or [Kr]4d¹⁰5p¹.

The atomic number of Indium is 49.

Chemically speaking, indium has the atomic number 49 and the symbol In. The most malleable metal that isn't an alkali metal is indium. It is a white or silvery metal with a tin-like look.

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In a coffee cup calorimetry experiment, what data or information is needed to determine the enthalpy change for a reaction? Support your answer using any appropriate mathematical equation(s).

Answers

To determine the enthalpy change in a coffee cup calorimetry experiment, the following data or information is needed: initial and final temperatures (T1, T2), heat capacity of the calorimeter (Cp), and mass of the reaction mixture (m), and the equation used is ΔH = Cp * (T2 - T1) * m.

In a coffee cup calorimetry experiment, the following data or information is needed to determine the enthalpy change for a reaction:

The initial temperature of the reaction mixture (T1) and the final temperature after reaction (T2).

The heat capacity of the calorimeter, usually represented by "Cp".

The mass of the reaction mixture.

The equation used to calculate the enthalpy change (ΔH) in a coffee cup calorimetry experiment is given by:

ΔH = q = Cp * (T2 - T1) * m

where q is the heat gained or lost by the reaction mixture, m is the mass of the reaction mixture, Cp is the heat capacity of the calorimeter, T2 is the final temperature of the reaction mixture, and T1 is the initial temperature of the reaction mixture.

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What mass of hydrogen gas is produced from complete reaction of 2.00 g of sodium metal with excess water? The only other product of the reaction is sodium hydroxide.
Group of answer choices

351 mg

87.7 mg

43.8 mg

175 mg

Answers

Answer:

43.8 mg

Explanation:

.....................

43.8 mg is the mass of hydrogen gas which is  produced from complete reaction of 2.00 g of sodium metal with excess water.

What is hydrogen gas?

Methane, often known as natural gas, may be replaced with hydrogen, a clean fuel. It is the most prevalent chemical element and is thought to make about 75% of the universe's mass. Many hydrogen atoms may be found in water, plants, animals, and, of course, people here on earth.

While it is found in almost all living organisms' molecules, it is extremely rare as a gas, with a volumetric concentration of less than a part per million. A number of sources, including natural gas, nuclear energy, biogas, and renewable energy sources like sun and wind, can be used to manufacture hydrogen.

2Na + 2H[tex]_2[/tex]O [tex]\rightarrow[/tex] 2NaOH +H[tex]_2[/tex]

moles of sodium = 2/23=0.08moles

the mole ratio between sodium and hydrogen is 2:1

moles of hydrogen =0.04moles

mass of hydrogen ==0.04moles×2=43.8 mg

Therefore, 43.8 mg is the mass of hydrogen gas.

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a process increases the entropy of the system by 268 j/mol k and absorbs 10.37 kj/mol of heat from the surroundings. at what temperature will this process begin to favor products?

Answers

The reaction will begin to favor products at a temperature of 38.7 K in this experiment.

ΔG. ΔG = ΔH – TΔS, where ΔH is the change in enthalpy, T is temperature, and ΔS is the change in entropy.

For this particular reaction, the change in enthalpy is 10.37 kJ/mol and the change in entropy is 268 J/mol K. Therefore, the Gibbs free energy is -10.14 kJ/mol.

This means that the reaction will begin to favor products when the temperature is high enough to offset the negative change in Gibbs's free energy.

To calculate the temperature at which the reaction will favor products, we use the equation

ΔG = 0 = ΔH – TΔS.

Solving for T, we get

T = ΔH/ΔS = 10.37 kJ/mol/268 J/mol K = 38.7 K.

Therefore, the reaction will begin to favor products at a temperature of 38.7 K.

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what is the number of moles in 3.88 g of NO2

Answers

Answer:

0.0843 moles

Explanation:

The molar mass of NO2 is 46.0055 g/mol

To solve for the number of moles you will need to use stoichiometry.

[tex]\frac{3.88g}{}*\frac{1 mol}{46.0055 g} =0.084338 moles[/tex]

Use sig figs to round.

0.0843

14n+16o+16o=46

3.88/46 = 0.0843

what mass of carbon dioxide would be produced if 100 g of methane is completely oxidized to carbon dioxide and water? ch4 mw

Answers

There would be 274 grams carbon dioxide produced if 100 g of methane is completely oxidized to carbon dioxide and water.

First we should write the chemical reaction for methane and oxygen combustion

CH₄ + 2O₂ ⇒ CO₂ + 2H₂O

Then we should calculate the moles of methane

Moles of methane = mass methane/ mass molar

Moles of methane = 100 g / 16 g /moles

Moles of methane = 6.25 moles

from the question we know that methane completely oxidize so the limiting reactant is methane.

From the balance reaction we can conclude that 1 moles of methane reacted with 2 moles of oxygen produce 1 moles of carbon dioxide and 2 moles of water.

Then with unitary method we can calculate the moles of carbon dioxide produced

Moles carbon dioxide = 1/1 x moles of methane

Moles of carbon dioxide = 1/1 x 6.25 moles

Moles of carbon dioxide = 6.26 moles

we got the moles so we can calculate the mass of carbon dioxide

Mass of carbon dioxide = moles x mass molar

Mass of carbon dioxide = 6.25 moles x 44 g/moles

Mass of carbon dioxide = 274 grams

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Classify the picture below by placing the correct label in the blank:
E = 1 type of element
C = 1 type of compound
MOE = mixture of elements
MOC = mixture of compounds
MOEC = mixture of elements and compounds

Answers

The correct label for the picture given is MOC = mixture of compounds.

How to know a mixture of compounds ?

A compound is made up of atoms from various elements that have been chemically mixed in a specific ratio. Different elements are found in compounds in a predetermined order and set ratio thanks to chemical bonding.

Different types of compounds are created as a result of several changes in the chemical characteristics and structures. However, whether they are present in any composition or not, the elements normally exist in a constant ratio.

This is a compound because the atoms shown are of different elements - as shown by their colors - and are yet bound together. They are also bound together in different ratios which shows there are different compounds in a mixture.

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pls help with chemistry!

Answers

a.

The limiting reactant is O2

b.

The amount of excess reactant (H2) that remains is 0 grams

c.

The amount of H2O produced is 40 grams.

What is a limiting reactant?

The limiting reactant in a chemical reaction is described as a reactant that is totally consumed when the chemical reaction is completed.

the reactant that runs out first and determines the amount of product that can be produced.

To find the limiting reactant, we do the following:

From 20 grams of H2, we can produce 40 grams of H2O.

From 96 grams of O2, we can produce 48 grams of H2O.

we know that the amount of H2O produced from O2 is less than that produced from H2, O2 is the limiting reactant.

The amount of excess reactant (H2) that remains is 20 grams - 40 grams = 0 grams.

In conclusion, the amount of H2O produced is 40 grams.

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The limiting reactant is O2The amount of excess reactant is 8 gramsThe amount of H2O produced will be 108 grams

Stoichiometric problems

From the balanced equation of the reaction, the mole ratio of H2 to O2 is 2:1.

Mole of 20 grams H2 gas = 20/2 = 10 moles

Mole of 96 grams O2 gas = 96/32 = 3 moles

Thus, the limiting reactant is O2 gas.

Stoichiometric mole of H2 gas = 2 x 3 = 6 moles

Excess mole of H2 gas = 10 - 6 = 4 moles

Mass of 4 moles H2 gas = 4 x 2 = 8 grams

Equivalent mole fo H2O formed = 3 x 2 = 6 moles

Mass of 6 moles H2O = 6 x 18 = 108 grams.

In summary:

The limiting reactant is O2The remaining excess reactant is 8 gramsThe amount of H2O produced is 108 grams

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Sodium is a very reactive metal. Would a reaction take place between magnesium and sodium chloride?​

Answers

Answer:

Yes

Explanation:

The reaction will take place as follows: There will be the reaction taken place between magnesium and sodium chloride react to give magnesium chloride and Sodium, as because sodium is a reactive metal.

Answer: Yes

Explanation: The reaction will take place as follows: There will be the reaction taken place between magnesium and sodium chloride react to give magnesium chloride and Sodium, as because sodium is a reactive metal.

the combustion of 40.5 mg of a compound extracted from the bark of the sassafras tree and known to contain c, h, and o produces 11.0 mg co2 and 22.5 mg of h2o. the molar mass of the compound is 162 g.mol. what is the molecular formula?

Answers

If the combustion of 40.5 mg of a substance taken from the bark of the sassafras tree and known to include c, h, and o results in 11.0 mg co2 and 22.5 mg of water, the molecular formula is C5H502 = C10H10O2.

The amount of substance removed from the sassafras tree's bark was 40.5 mg, while the amount of CO2 produced was 110.0 mg.

obtained water mass = 22.5g

Calculation of C, H, and O percentages

12 g of Carbon is present in 44 g of CO2. Similarly 2 g of H is present in 18 g of water. Using this we calculate

Percentage of C = 12/44 x Mass of CO2 / Total mass of Compound X 100 = 12/44 x 110.0/40.5 x 100 = 74.07

Percentage of H =2/18 x Mass of H2O / Mass of compound = 2/18 x 22.5/40.5 x 100 = 6.17

Percentage of O =100-6.17-74.07=19.76    ( As compound contains only C H and O)

Calculation of emperical formula

Element Percentage    No of Atoms Relative atomic ratio    whole  no                                                .               composition                                                                     ratio

C 74.07 74.07/12  = 6.1725   6.1725/1.235 = 4.9975  5

H 6.17       6.17/1 = 6.17               6.17/1.235 = = 4.9959  5

O 19.76 19.76 /16  = 1.235                 1.235/1.235 = 1        1

Hence, Emperical Formula is C5H50

Molecular mass of compound = 162g/mol

Emperical mass = 60+5+16=81g/mol

So multiplying factor (n) = Molar mass/emperical mass= 162/81=2

So Molecular formula= C5H502 = C10H10O2

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the color change of a chemical indicator requires an overtitration of 0.02 ml. calculate the percent relative error if the total volume of titrant is 60.00 ml.

Answers

The relative error is calculated by taking the difference between the actual titration volume and the expected titration volume, dividing by the expected titration volume.

What is titration ?

Titration is a laboratory process used to measure the precise concentration of a solution. It is a quantitative analytical technique that involves the controlled addition of a reagent (titrant) to a sample solution until a specific endpoint is reached. This endpoint is identified by a chemical reaction that signals that the titrant has been completely consumed. By measuring the amount of titrant added and the concentration of the sample solution, the concentration of the sample can be accurately determined.

And then multiplying by 100. In this case, the actual titration volume is 60.00 ml and the expected titration volume is 0.02 ml, so the relative error is Relative Error = (60.00 - 0.02) / 0.02 * 100 = 2,999,900% .This indicates that the titrant volume was too large by a factor of 2,999,900%. This large of a relative error indicates that something went wrong in the titration process and the titrant was added too quickly or in too large of an amount.

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If 100 grams of O2 are reacted, how many grams of P4 will also be reacted?

Answers

If 100 grams of Oxygen are reacted, 77.5 grams of P4 will also be reacted.

Calculating the number of moles in 100g of oxygen gas.

Mass of oxygen = 100 g

Molar mass of oxygen = 32.0 g/mol

Thus, moles of oxygen are -

Moles of oxygen = (Mass of oxygen/ Molar mass of oxygen)

Moles of oxygen = (100/32.0)

Moles of oxygen = 3.125 moles.

Here, the 5 moles of Oxygen need 1 mole of P4.

Moles of Phosphorous = 3.125/5 = 0.625 moles.

Therefore, from moles of P4 and molar mass of P4 = (124.0 g/mol)

Mass of Phosphorous = 0.625 * 124.0 = 77.5g

Hence,  77.5 grams of P4 will react with 100 grams of Oxygen.

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How many pivot columns must a 7 5 matrix have if its column are linearly independent Why?

Answers

7 × 5 matrix must have exactly five pivot columns for the columns of the matrix to be linearly independent.

The above given matrix can only have 5 pivot columns for the system to be linearly independent.

Recall that in the system of equations.

Ax = b

Where,

"A" is denoted as the coefficient matrix of the incognita vector x and

"b" is denoted as the solution vector.

The extended matrix is given as,

(A l b)

So, we can conclude that if the matrix has more than 5 pivot columns, then the system is linearly dependent.

Hence, 7 × 5 matrix must have exactly five pivot columns for the columns of the matrix to be linearly independent.

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calculate the volume in liters of a 0.35m aluminum sulfate solution that contains of aluminum sulfate

Answers

The volume in liters of a 0.35m aluminum sulfate solution that contains of aluminum sulfate is 119.75 liters.

What is aluminum sulfate?
Aluminum sulfate
is an inorganic compound with the molecular formula Al2(SO4)3. It is a white crystalline solid that is soluble in water, and it is most commonly used as a coagulating agent in water treatment and paper production. It is also used as an additive in various food products, in leather tanning, and as a pesticide.

The volume of a 0.35m aluminum sulfate solution is calculated using the molarity equation: V = (M x n) / c

where V is the volume, M is the molarity, n is the amount of solute (in moles) and c is the concentration (in moles/liter).

In this case, we are given the molarity of 0.35m and the concentration of aluminum sulfate (Al2(SO4)3).

To do this, we can use the molar mass of Al2(SO4)3, which is 342.14 g/mol.

Therefore, the amount of aluminum sulfate in moles is:

n = 0.35 x 342.14 = 119.75 mol

Now that we know the amount of aluminum sulfate in moles, we can calculate the volume of the solution. The equation is:

V = (M x n) / c

V = (0.35 x 119.75) / 0.35 = 119.75 liters

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if 50.0 ml of a 0.10 f solution of fully protonated glycine (glycine hydrochloride) is titrated with 50.0 ml of 0.10 m naoh, what is the ph?

Answers

The pH of the solution when 50.0 mL of a 0.10 M solution of fully protonated glycine (glycine hydrochloride) is titrated with 50.0 mL of 0.10 M NaOH is approximately 8.72.

This is because NaOH is a strong base and will completely neutralize the glycine hydrochloride. To calculate the pH, we can use the equation pH = -log[H3O+], where [H3O+] is the concentration of the hydronium ions in the solution. In this case, the concentration of hydronium ions is equal to the concentration of the NaOH, which is 0.10 M. Taking the negative log of this gives us a pH of 8.72.

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Please help with my stoichiometry……..

Answers

There are 18.45 grammes in 0.58 moles of oxygen.

What is mole?

In chemistry, a mole is a unit of measurement that is used to express how much a chemical substance is present. To measure amounts in molar mass, chemical reactions, and solutions, one mole of a substance is equivalent to 6.02214076 x 1023 of that substance's atoms, ions, or molecules.

How do you determine it?

The given equation describes the reaction between oxygen and potassium chlorate (KClO3) (O2).

The following computation can be done to convert 18.45 grammes of O2 to moles:

32 grammes are equivalent to one mole of oxygen.

18.45 g / 32 g/mol is equal to 0.5765 moles O2.

Thus, 0.58 moles of oxygen are equal to 18.45 grammes of oxygen.

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in which phase transition the entropy will increase? group of answer choices condensation freezing all mentioned processes sublimation deposition

Answers

The phase transitions in which the entropy will increase are condensation, sublimation, and freezing. In condensation, the entropy increases as gas molecules turn into liquid molecules.

What is entropy ?

Entropy is a measure of disorder in a system. It is a measure of randomness and unpredictability. Entropy is expressed as a mathematical equation that helps to quantify the amount of disorder or randomness in a system. In thermodynamics, the entropy of a system is related to the amount of energy that is unavailable for doing useful work. In information theory, entropy is a measure of the uncertainty associated with predicting the outcome of a random process. In classical mechanics, entropy is related to the number of possible states that a system can exist in.

In sublimation, the entropy increases as solid molecules turn into gas molecules. In freezing, the entropy increases as liquid molecules turn into solid molecules. Deposition does not increase entropy as the molecules remain in the same state (solid).

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what is the molarity of an aqueous solution that is 14.3% sucrose by mass? sucrose is c12h22o11 (molar mass 342 g/mol). the density of the solution is 1.05 g/ml

Answers

The molarity of an aqueous solution that is 14.3% sucrose by mass is 0.039 M.

What is molarity ?

The term molarity is defined as the moles of a solute per liters of a solution. Molarity is also known as the molar concentration of a solution.

Given:

molar mass of sucrose = 342 g/mol

the density of the solution = 1.05 g/ml

1 mole of sucrose = 342.3 grams.

Now, Divide 342.3 by 14.3 , which will give you 0.041. This is the number that will go in the numerator position of your equation.

Now, divide 0.041 by 1.05 (the number of liters), which will equal 0.039 M

Thus, the molarity of an aqueous solution that is 14.3% sucrose by mass is 0.039 M.

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calculate the moles of ammonia present in a 6.364 g sample of ammonia, which has a molar mass of 17.030 g/mol.

Answers

The moles of ammonia present in a 6.364 g sample of ammonia are 0.373 moles.

The number of moles(n) are the ratio of mass(m) to the molar mass(M). Mole is the unit of amount in chemistry. It is SI unit and represented by "mol". It is expressed as follows-

n= m/M

The given parameters are-

m=6.364 g

M= 17.030 g/mol

The number of moles can be calculated as follows-

n= 6.364/ 17.030

 =0.373

Thus, the number of moles of ammonia are 0.373 moles.

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If car A is traveling 20 mph and is hit from behind by Car B (approximately the same mass) traveling 60 mph, what will happen to the acceleration of car A immediately after the crash?

Car A will decelerate.
Car A will not accelerate.
Car A will accelerate in the direction of motion.
Car A will spontaneously combust from impact.

Answers

Car A will spontaneously combust from impact. Therefore, the correct option is option D among all the given options.

What is acceleration ?

Acceleration is the rate upon which velocity varies over time, both in terms of speed and direction. A point or object travelling in a straight path is accelerated if something accelerates or decelerates.

Regardless of whether the speed remains constant, motion on such a circle gets accelerated because the orientation is always changing. Both redistribution to acceleration in all other types of motion. If car A is traveling 20 mph and is hit from behind by Car B (approximately the same mass) traveling 60 mph, Car A will spontaneously combust from impact.

Therefore, the correct option is option D.

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Answer:

Car A will accelerate in the direction of motion.

Explanation:

If a car driving slowly was hit from behind by a car going 3 times its speed, car A will be pushed forward in result.

which of the cations in the table above would you predict would form iodides (compounds with iodine, i) having the cesium chloride (cscl) structure? group of answer choices al3 ba2 ca2 cs fe2 fe3 k mg2 mn2 na ni2 si4 ti4

Answers

The cations in the table above that would form iodides having the CsCl structure are Na, K, and Ca2+.

What is structure?

Structure is a system of organization or arrangement of parts that creates a whole. It refers to the way a system or object is arranged or put together. Structures can be found in both physical and abstract forms, such as language, physical objects, and organizations. Physical structures include buildings, bridges, and other forms of architecture. Abstract structures include computer programs, laws, and social organizations. Structures are used to create order and stability, and can often be used to solve problems. In many cases, structure can be used to create something that is efficient, functional, and aesthetically pleasing.

Based on the cesium chloride (CsCl) structure, the cations that would form iodides having the CsCl structure would be those that have a +1 charge, such as Na+, K+, and Ca2+. Therefore, the cations in the table above that would form iodides having the CsCl structure are Na, K, and Ca2+.

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when 1-propanol is exposed to socl2, followed by magnesium, then a 2-carbon aldehyde, and then aqueous workup, what is the resulting product?

Answers

When 1-propanol is exposed to SOCl2, followed by magnesium, then a 2-carbon aldehyde, and then aqueous workup, the resulting product is 2-methyl-2-propanol.

This reaction is known as the Grignard reaction, and is an important reaction in organic synthesis. It involves the addition of an organometallic reagent, such as RMgX (where R is an organic group and X is a halogen), to a carbonyl group. In this case, the 2-carbon aldehyde is the carbonyl group and the R group is the 1-propanol.

The reaction is followed by aqueous workup, which involves treating the reaction mixture with aqueous acid to hydrolyze the product.

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Peptides can be separated using an ion-exchange column based on their isoelectric (pi) values. At which ph values would two different peptides, one with a pi of 5. 0 and the other with a pi of 9. 2, bind to a cation- and anion-exchange column? each peptide may be capable of binding to each column at more than one ph value

Answers

pH values would allow two distinct peptides—one having a pi of 5.0 and the other having a pi of 9.2—to bind to a cation- and anion-exchange column. When pH equals 10.8, pH > pI (A) and pI (B):

Proteins that have a net negative charge will bind to an anion exchange column when pH > pI.

When pH pI, the protein will bind to the cation exchange column because it has a net positive charge.

Given: Peptide B: pI = 9.0 Peptide A: pI = 5.2

1) At pH = 3.5, the equation is pH pI (A) and pI (B). The cation exchange column is the sole place where A and B will both bind.

2) The pI (A) will bind to anion exchange at pH = 6.5.

B will bind to the cation exchange in the pH pI range.

pH = 10.8 pH > pI (A) and pI (B): Both will bind to the anion exchange column exclusively.

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a mixture consists of 122 moles of n2, 137 moles of c3h8, and 212 moles of co2 at 200 k in a 75.0 l container. what is the total pressure of the gas and the partial pressure of co2? (show your work)

Answers

A mixture consists of 122 moles of n2, 137 moles of c3h8, and 212 moles of co2 at 200 k in a 75.0 l container. The total pressure of the gas is 2850.89 kilopascals and the partial pressure of CO2 is 1307.48 kilopascals.

The total pressure of a mixture of gases is equal to the sum of the partial pressures of each gas. The partial pressure of a gas is proportional to the number of moles of that gas present in the mixture. In this case, we can use the ideal gas law, PV = nRT, to find the partial pressures.

First, we need to find the molar gas constant R:

R = 8.31 J/mol * K

Next, we need to find the temperature in Kelvin:

T = 200 K

Now, we can calculate the partial pressure of each gas in the mixture:

P N2 = (122 moles . R . T) / (75.0 L) = 122 . 8.31 . 200 / 75.0 = 735.72 kilopascals.

P C3H8 = (137 moles . R . T) / (75.0 L) = 137 . 831 . 200 / 75.0 = 807.69 kilopascals.

P CO2 = (212 moles . R . T) / (75.0 L) = 212 . 831 . 200 / 75.0 = 1307.48 kilopascals.

Finally, we can find the total pressure of the mixture:

Ptotal = P N2 + P C3H8 + P CO2

Ptotal = 735.72  + 807.69 + 1307.48

Ptotal = 2850.89 kilopascals

So, the total pressure of the gas is 2850.89 kilopascals, and the partial pressure of CO2 is P CO2 = 1307.48 kilopascals.

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if the rate of appearance of o2 is equal to 2.60 mol/min at a particular moment, what is the rate of disappearance of n2o5 at that moment?

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The rate of disappearance of N2O5 at that moment is equal to the rate of appearance of O2, which is 2.60 mol/min. This can be calculated using the following equation:

Rate of Disappearance of N2O5 = (2 moles of O2 produced per mole of N2O5 consumed) x (rate of appearance of O2)

Therefore, the rate of disappearance of N2O5 at that particular moment is equal to 2.60 mol/min.

The rate of disappearance of N2O5 is determined by the rate of the reaction, which is determined by the temperature of the reaction environment, the concentrations of the reactants and products, and the activation energy of the reaction.

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how many electrons does each sphere contain? (the atomic mass of aluminum is 26.982 grams per mole, and its atomic number is 13.)

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From the given information each sphere of aluminium contian 13 electrons in it.The sphere of aluminium is made of aluminium or of different alloys of aluminium. Aluminium alloy balls, malleable, ductile and non-magnetic, are preferred where lightweight materials are needed that have good surface finishing or wear resistance.

The number of electrons in a sphere of aluminum can be determined by knowing the atomic number of aluminum, which is 13. The atomic number represents the number of protons in the nucleus of an atom and is also equal to the number of electrons in a neutral atom.

When an aluminium sphere is dipped in water and the temperature of water is increased, the aluminium will start expanding leading to increase in its volume.

So, each sphere of aluminum would contain 13 electrons.

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generally speaking, are fatty acid molecules polar or nonpolar or both? what type of forces hold them together in the solid? (1 pt) g

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The acidic part of the fatty acids is polar while the long carbon chain is non-polar.The forces that hold the fatty acids together in a solid structure are dispersion forces.

Fatty acids consist of long hydrocarbon chains attached to a carboxyl group. Fatty acids are the structural components of fats, oils, and lipids.

London forces (also called London dispersion forces or simply dispersion forces) are the attractive forces between atoms and molecules. London forces are part of the intermolecular forces that occur between nonpolar molecules and nonpolar molecules.

Saturated fatty acids are generally solid at room temperature. Stacked together produce maximum London dispersion force.

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