Describe what type of electron transfer happens between these two atoms.

In the mechanism for the acid-catalyzed hydrolysis of an ester, "HB" could refer to a hydrogen bond. Hydrogen bonds are a type of non-covalent interaction that occur between a hydrogen atom that is covalently bonded to one electronegative atom (such as nitrogen or oxygen) and another electronegative atom.

Hydrolysis is a chemical reaction of the interaction of chemicals with water, leading to the decomposition of both the substance and water. Reactions of hydrolysis are possible with salts, carbohydrates, proteins, fats, etc.

In the mechanism for the acid-catalyzed hydrolysis of an ester, hydrogen bonds may play a role in stabilizing the intermediate species that are formed during the reaction. For example, the hydrogen bond may occur between the hydrogen ion (H+) of the acid catalyst and the oxygen atom of the ester molecule. This interaction helps to facilitate the transfer of the hydrogen ion to the ester molecule, leading to the formation of the intermediate species that are involved in the hydrolysis reaction.

Without more information about the specific mechanism you are referring to, it is difficult to say exactly what species is represented by "HB".

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

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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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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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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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.

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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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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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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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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The correct label for the picture given is MOC = 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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If 3.37 g of hcl is reacted with exc3ss fe and 4.20g of fecl2 then the %yield for the reaction will be 71.56%.

The percent yield for a reaction can be calculated as follows:

% yield = (actual yield / theoretical yield) x 100

First, we need to find the theoretical yield of FeCl2. To do this, we need to determine the number of moles of Fe that reacted with the HCl. The balanced chemical equation for this reaction is:

Fe + 2HCl → FeCl2 + H2

From the given information, we know that 3.37 g of HCl was used in the reaction. We can use the molar mass of HCl (36.46 g/mol) to convert this mass to moles:

3.37 g HCl / 36.46 g/mol = 0.0927 moles HCl

Since two moles of HCl react with one mole of Fe, the number of moles of Fe used in the reaction is half of the number of moles of HCl:

0.0927 moles HCl / 2 = 0.04635 moles Fe

Next, we can use the molar mass of FeCl2 (126.90 g/mol) to determine the theoretical yield of FeCl2:

0.04635 moles FeCl2 x 126.90 g/mol = 5.89 g FeCl2

Finally, we can calculate the percent yield:

% yield = (4.20 g FeCl2 / 5.89 g FeCl2) x 100 = 71.56%

So, the percent yield of FeCl2 in this reaction is 71.56%.

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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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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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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.

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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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:

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

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.

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

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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Table 3-2 on page 50 lists various substances that can be tested for reducing sugars in the lab. The positive control for the test for reducing sugars would typically be a known reducing sugar, such as glucose or fructose, while the negative control would typically be a non-reducing sugar, such as sucrose. These controls are used to confirm the reliability and accuracy of the test results.

The positive control will give a positive result for the presence of reducing sugars, while the negative control should give a negative result, indicating the absence of reducing sugars. By comparing the results of these two controls with the results obtained for the unknown substances, the reliability and accuracy of the test can be confirmed.

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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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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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Answer: Option B

Explanation: Answer B. Traits always show up in at least one offspring is not true.

Answer:

Option B is not true about traits. Traits do not always show up in at least one offspring. The expression of traits in offspring depends on the genetic makeup of the parents and the way their genes interact with each other during inheritance. Some traits may skip generations or not appear in any offspring at all.

Explanation:

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.

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.

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

The Lewis dot structure is shown in the attached image.

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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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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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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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.

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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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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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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