In the industrial synthesis of acetic acid, methanol is made to react with carbon monoxide. The balanced equation for this reaction is as follows: CH3OH(g) + CO(g) → CH3COOH(l) If methanol is present in excess, how many moles of CO(g) are required to produce 16.6 moles of acetic acid?

A) 8.30 B) 16.6 C) 28.0 D) 33.2 A) 8.30 B) 16.6 C) 28.0 D) 33.2

What is the formula weight of barium phosphate, Ba3(PO4)2?

A) 232.3 amu B) 537.9 amu C) 559.6 amu D) 601.9 amu A) 232.3 amu B) 537.9 amu C) 559.6 amu D) 601.9 amu

What is the molar mass of water, H2O?

A) 17.01 g B) 18.02 g C) 17.01 amu D) 18.02 amu A) 17.01 g B) 18.02 g C) 17.01 amu D) 18.02 amu

A black precipitate of copper sulfide, CuS, is formed when a solution of Cu(II) chloride, CuCl2, is added to a solution of potassium sulfide, K2S. Which of the following is the molecular equation for this reaction?

A) CuCl2(aq) + K2S(aq) → CuS(s) + 2KCl(aq) B) Cu2+(aq) + Cl22-(aq) + K22+(aq) + S2-(aq) → CuS(s) + K22+(aq) + Cl22-(aq) C) Cu2+(aq) + 2Cl--(aq) + 2K+(aq) + S2-(aq) → CuS(s) + 2K+(aq) + 2Cl- (aq) D) Cu2+(aq) + S2-(aq) → CuS(s) A) CuCl2(aq) + K2S(aq) → CuS(s) + 2KCl(aq) B) Cu2+(aq) + Cl22-(aq) + K22+(aq) + S2-(aq) → CuS(s) + K22+(aq) + Cl22-(aq) C) Cu2+(aq) + 2Cl--(aq) + 2K+(aq) + S2-(aq) → CuS(s) + 2K+(aq) + 2Cl- (aq) D) Cu2+(aq) + S2-(aq) → CuS(s)

When solutions of AgNO3 and NaOH react, the balanced molecular equation is as follows: 2AgNO3(aq) + 2NaOH(aq) → Ag2O(s) + 2NaNO3(aq) + H2O(l) How much Ag2O is produced when 2.00 g of AgNO3 and 0.300 g of NaOH react?

A) 0.869 g B) 1.43 g C) 1.74 g D) 2.30 g A) 0.869 g B) 1.43 g C) 1.74 g D) 2.30 g

A white precipitate of lead chloride, PbCl2, is formed when a solution of ammonium chloride, NH4Cl, is added to a solution of lead(II) nitrate, Pb(NO3)2. Which of the following ionic equations for this reaction includes the spectator ions as well?

A) 2NH4Cl(aq) + Pb(NO3)2(aq) → PbCl2(s) + 2NH4NO3(aq) B) NH4+(aq) + 2Cl-(aq) + Pb2+(aq) + 2NO3-(aq) → PbCl2(s) + 2NH4+(aq) + 2NO3-(aq) C) Pb2+(aq) + 2Cl-(aq) → PbCl2(s) D) Pb2+(aq) + Cl22-(aq) → PbCl2(s) A) 2NH4Cl(aq) + Pb(NO3)2(aq) → PbCl2(s) + 2NH4NO3(aq) B) NH4+(aq) + 2Cl-(aq) + Pb2+(aq) + 2NO3-(aq) → PbCl2(s) + 2NH4+(aq) + 2NO3-(aq) C) Pb2+(aq) + 2Cl-(aq) → PbCl2(s) D) Pb2+(aq) + Cl22-(aq) → PbCl2(s)

Exam 4: Chemical Reactions

In the industrial synthesis of acetic acid, methanol is made to react with carbon monoxide. The balanced equation for this reaction is as follows: CH₃OH(g) + CO(g) → CH₃COOH(l) If methanol is present in excess, how many moles of CO(g) are required to produce 16.6 moles of acetic acid?

(Multiple Choice)

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Question 21

In an experiment, acetic acid is produced by mixing 5 moles of methanol with 2 moles of carbon monoxide. The balanced equation for this reaction is as follows: CH₃OH(l) + CO(g) → CH₃COOH(l) What is the number of moles of acetic acid produced?

(Multiple Choice)

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Question 22

What is the formula weight of barium phosphate, Ba₃(PO₄)₂?

(Multiple Choice)

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Question 23

What is the molar mass of water, H₂O?

(Multiple Choice)

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Question 24

How many calories are required to heat 830 g of aluminum from 20°C to 250°C? The specific heat of aluminum is 0.22 cal/g·°C.

(Multiple Choice)

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Question 25

A 900-g iron block is initially at 5°C. Heat of 5,000 cal is added to it. What is the final temperature of the iron block? The specific heat of iron is 0.11 cal/g·°C.

(Multiple Choice)

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Question 26

Which of the following compounds is insoluble in water?

(Multiple Choice)

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Question 27

Solutions of sugars such as glucose react with Ag⁺(aq) to produce Ag(s). As which of the following agents does glucose function in this reaction?

(Multiple Choice)

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Question 28

A black precipitate of copper sulfide, CuS, is formed when a solution of Cu(II) chloride, CuCl₂, is added to a solution of potassium sulfide, K₂S. Which of the following is the molecular equation for this reaction?

(Multiple Choice)

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Question 29

When solutions of AgNO₃ and NaOH react, the balanced molecular equation is as follows: 2AgNO₃(aq) + 2NaOH(aq) → Ag₂O(s) + 2NaNO₃(aq) + H₂O(l) How much Ag₂O is produced when 2.00 g of AgNO₃ and 0.300 g of NaOH react?

(Multiple Choice)

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Question 30

Which of the following anions always forms soluble compounds?

(Multiple Choice)

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Question 31

Which of the following is true?

(Multiple Choice)

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Question 32

Examine the reaction taking place in the beaker in the image. Which of the following might be the product being formed in the beaker?

(Multiple Choice)

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Question 33

Solutions of sugars such as glucose react with Ag⁺(aq) to produce Ag(s). Which of the following happens to glucose in this reaction?

(Multiple Choice)

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Question 34

Which of the following is the correct set of integer coefficients for the balanced equation? _C₃H₈(g) + _O₂(g) → _CO₂(g) + _H₂O(g)

(Multiple Choice)

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Question 35

The synthesis of a certain drug can be carried out with 91.7% yield. In one experiment, 14.8 g of the drug was obtained. What was the theoretical yield for this experiment?

(Multiple Choice)

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Question 36

Which of the following is the correct set of integer coefficients for the balanced equation? _CO₂(g) + _H₂O(l) → _C₆H₁₂O₆(aq) + _O₂(g)

(Multiple Choice)

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Question 37

A white precipitate of lead chloride, PbCl₂, is formed when a solution of ammonium chloride, NH₄Cl, is added to a solution of lead(II) nitrate, Pb(NO₃)₂. Which of the following ionic equations for this reaction includes the spectator ions as well?

(Multiple Choice)

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Question 38

Which of the following definitions of oxidation is generally most useful when dealing with ionic materials?

(Multiple Choice)

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Question 39

The synthesis of a certain drug requires three steps. The percent yield for the steps are 95.2%, 91.4%, and 93.8%, respectively. What is the overall percent yield?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 138

Exam 4: Chemical Reactions

In the industrial synthesis of acetic acid, methanol is made to react with carbon monoxide. The balanced equation for this reaction is as follows: CH3OH(g) + CO(g) → CH3COOH(l) If methanol is present in excess, how many moles of CO(g) are required to produce 16.6 moles of acetic acid?

In an experiment, acetic acid is produced by mixing 5 moles of methanol with 2 moles of carbon monoxide. The balanced equation for this reaction is as follows: CH3OH(l) + CO(g) → CH3COOH(l) What is the number of moles of acetic acid produced?

What is the formula weight of barium phosphate, Ba3(PO4)2?

What is the molar mass of water, H2O?

How many calories are required to heat 830 g of aluminum from 20°C to 250°C? The specific heat of aluminum is 0.22 cal/g·°C.

A 900-g iron block is initially at 5°C. Heat of 5,000 cal is added to it. What is the final temperature of the iron block? The specific heat of iron is 0.11 cal/g·°C.

Which of the following compounds is insoluble in water?

Solutions of sugars such as glucose react with Ag+(aq) to produce Ag(s). As which of the following agents does glucose function in this reaction?

A black precipitate of copper sulfide, CuS, is formed when a solution of Cu(II) chloride, CuCl2, is added to a solution of potassium sulfide, K2S. Which of the following is the molecular equation for this reaction?

When solutions of AgNO3 and NaOH react, the balanced molecular equation is as follows: 2AgNO3(aq) + 2NaOH(aq) → Ag2O(s) + 2NaNO3(aq) + H2O(l) How much Ag2O is produced when 2.00 g of AgNO3 and 0.300 g of NaOH react?

Which of the following anions always forms soluble compounds?

Which of the following is true?

Examine the reaction taking place in the beaker in the image. Which of the following might be the product being formed in the beaker?

Solutions of sugars such as glucose react with Ag+(aq) to produce Ag(s). Which of the following happens to glucose in this reaction?

Which of the following is the correct set of integer coefficients for the balanced equation? ___C3H8(g) + ___O2(g) → ___CO2(g) + ___H2O(g)

The synthesis of a certain drug can be carried out with 91.7% yield. In one experiment, 14.8 g of the drug was obtained. What was the theoretical yield for this experiment?

Which of the following is the correct set of integer coefficients for the balanced equation? ___CO2(g) + ___H2O(l) → ___C6H12O6(aq) + ___O2(g)

A white precipitate of lead chloride, PbCl2, is formed when a solution of ammonium chloride, NH4Cl, is added to a solution of lead(II) nitrate, Pb(NO3)2. Which of the following ionic equations for this reaction includes the spectator ions as well?

Which of the following definitions of oxidation is generally most useful when dealing with ionic materials?

The synthesis of a certain drug requires three steps. The percent yield for the steps are 95.2%, 91.4%, and 93.8%, respectively. What is the overall percent yield?

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In the industrial synthesis of acetic acid, methanol is made to react with carbon monoxide. The balanced equation for this reaction is as follows: CH₃OH(g) + CO(g) → CH₃COOH(l) If methanol is present in excess, how many moles of CO(g) are required to produce 16.6 moles of acetic acid?

In an experiment, acetic acid is produced by mixing 5 moles of methanol with 2 moles of carbon monoxide. The balanced equation for this reaction is as follows: CH₃OH(l) + CO(g) → CH₃COOH(l) What is the number of moles of acetic acid produced?

What is the formula weight of barium phosphate, Ba₃(PO₄)₂?

What is the molar mass of water, H₂O?

Solutions of sugars such as glucose react with Ag⁺(aq) to produce Ag(s). As which of the following agents does glucose function in this reaction?

A black precipitate of copper sulfide, CuS, is formed when a solution of Cu(II) chloride, CuCl₂, is added to a solution of potassium sulfide, K₂S. Which of the following is the molecular equation for this reaction?

When solutions of AgNO₃ and NaOH react, the balanced molecular equation is as follows: 2AgNO₃(aq) + 2NaOH(aq) → Ag₂O(s) + 2NaNO₃(aq) + H₂O(l) How much Ag₂O is produced when 2.00 g of AgNO₃ and 0.300 g of NaOH react?

Solutions of sugars such as glucose react with Ag⁺(aq) to produce Ag(s). Which of the following happens to glucose in this reaction?

Which of the following is the correct set of integer coefficients for the balanced equation? _C₃H₈(g) + _O₂(g) → _CO₂(g) + _H₂O(g)

Which of the following is the correct set of integer coefficients for the balanced equation? _CO₂(g) + _H₂O(l) → _C₆H₁₂O₆(aq) + _O₂(g)

A white precipitate of lead chloride, PbCl₂, is formed when a solution of ammonium chloride, NH₄Cl, is added to a solution of lead(II) nitrate, Pb(NO₃)₂. Which of the following ionic equations for this reaction includes the spectator ions as well?