When solutions of AgNO3 and NaOH react, the balanced molecular equation is: 2 AgNO3(aq) + 2 NaOH(aq) → Ag2O(s) + 2 NaNO3(aq) + H2O(l) How much Ag2O is produced when 0.200 g of AgNO3 and 0.200 g of NaOH react?

A) 0.127 g B) 0.136 g C) 0.273 g D) 0.400 g A) 0.127 g B) 0.136 g C) 0.273 g D) 0.400 g B

Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The balanced equation for this reaction is: C2H4(g) + H2O(g) → C2H5OH(l) If water is present in excess, how many moles of ethanol can be produced from 7.24 mol of ethylene?

A) 7.24 B) 14.5 C) 28.0 D) 46.0 A) 7.24 B) 14.5 C) 28.0 D) 46.0 A

How many moles of marble, CaCO3, are there in a 275 g piece of marble?

A) 4.57 × 10-22 B) 0.364 C) 2.75 D) 275 A) 4.57 × 10-22 B) 0.364 C) 2.75 D) 275

When solutions of AgNO3 and NaCl react, the balanced molecular equation is: AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) How much AgCl is produced when 3.10 g of AgNO3 and 3.10 g of NaCl react?

A) 1.55 g B) 2.62 C) 4.17 g D) 6.20 g A) 1.55 g B) 2.62 C) 4.17 g D) 6.20 g

When solutions of AgNO3 and NaOH react, the balanced molecular equation is: 2 AgNO3(aq) + 2 NaOH(aq) → Ag2O(s) + 2 NaNO3(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

Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The balanced equation for this reaction is: C2H4(g) + H2O(g) → C2H5OH(l) If water is present in excess, how many grams of ethanol can be produced from 7.24 mol of ethylene?

A) 7.24 g B) 14.5 g C) 203 g D) 334 g A) 7.24 g B) 14.5 g C) 203 g D) 334 g

In the reaction CH2O(g) + O2(g) → 2HCOOH(g), which species is the reducing agent?

A) CH2O(g) B) O2(g) C) HCOOH(g) D) H2O(g) A) CH2O(g) B) O2(g) C) HCOOH(g) D) H2O(g)

The balanced equation for burning octane is: 2 C8H18(g) + 25 O2(g) → 18 H2O(g) + 16 CO2(g) What weight of H2O is produced by completely burning 19.8 g of octane?

A) 28.1 g B) 34.7 C) 69.5 D) 139 g A) 28.1 g B) 34.7 C) 69.5 D) 139 g

Which of the following is true of the reaction: O2(g) → 2 O(g)?

A) It is endothermic. B) It is exothermic. C) It is neither endothermic nor exothermic. D) None of these, the reaction cannot occur. A) It is endothermic. B) It is exothermic. C) It is neither endothermic nor exothermic. D) None of these, the reaction cannot occur.

When a solution of ammonium chloride, NH4Cl, is added to a solution of lead(II) nitrate, Pb(NO3)2, a white precipitate of lead chloride, PbCl2, forms. Which of the following is the net ionic equation for this reaction?

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

In the industrial synthesis of acetic acid, methanol is reacted with carbon monoxide. The balanced equation for this reaction is: CH3OH(g) + CO(g) → CH3COOH(l) If ethanol 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

In the reaction CH2O(g) + O2(g) → HCOOH(g) + H2O(g) which species is oxidizing agent?

A) CH2O(g) B) O2(g) C) HCOOH(g) D) H2O(g) A) CH2O(g) B) O2(g) C) HCOOH(g) D) H2O(g)

Lime, CaO, is produced by the reaction CaCO3(s) → CaO(s) + CO2(g). What weight of CaO is obtained by the decomposition of 38.7 g of CaCO3?

A) 15.5 g B) 17.0 g C) 21.7 g D) 23.2 g A) 15.5 g B) 17.0 g C) 21.7 g D) 23.2 g

Exam 4: Chemical Reactions

When solutions of AgNO₃ and NaOH react, the balanced molecular equation is: 2 AgNO₃(aq) + 2 NaOH(aq) → Ag₂O(s) + 2 NaNO₃(aq) + H₂O(l) How much Ag₂O is produced when 0.200 g of AgNO₃ and 0.200 g of NaOH react?

Free

(Multiple Choice)

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Question 1

Correct Answer:

Verified

Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The balanced equation for this reaction is: C₂H₄(g) + H₂O(g) → C₂H₅OH(l) If water is present in excess, how many moles of ethanol can be produced from 7.24 mol of ethylene?

Free

(Multiple Choice)

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Question 2

Correct Answer:

Verified

For the reaction N₂(g) + 3 H₂(g) → 2 NH₃(g) which of the following can be determined using only the coefficients of the balanced chemical equation?

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(Multiple Choice)

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Question 3

Correct Answer:

Verified

How many moles of marble, CaCO₃, are there in a 275 g piece of marble?

(Multiple Choice)

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Question 4

When solutions of AgNO₃ and NaCl react, the balanced molecular equation is: AgNO₃(aq) + NaCl(aq) → AgCl(s) + NaNO₃(aq) How much AgCl is produced when 3.10 g of AgNO₃ and 3.10 g of NaCl react?

(Multiple Choice)

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Question 5

A bicycle manufacturer has a stock of 50 frames 70 wheels, and 120 reflectors. If each bicycle manufactured requires 4 reflectors, how many bicycles can the manufacturer make?

(Multiple Choice)

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Question 6

Solutions of sugars such as glucose react with Ag⁺(aq) to produce Ag(s). In this reaction glucose functions as which of the following?

(Multiple Choice)

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Question 7

When solutions of AgNO₃ and NaOH react, the balanced molecular equation is: 2 AgNO₃(aq) + 2 NaOH(aq) → Ag₂O(s) + 2 NaNO₃(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 8

Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The balanced equation for this reaction is: C₂H₄(g) + H₂O(g) → C₂H₅OH(l) If water is present in excess, how many grams of ethanol can be produced from 7.24 mol of ethylene?

(Multiple Choice)

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Question 9

In the reaction CH₂O(g) + O₂(g) → 2HCOOH(g), which species is the reducing agent?

(Multiple Choice)

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Question 10

The balanced equation for burning octane is: 2 C₈H₁₈(g) + 25 O₂(g) → 18 H₂O(g) + 16 CO₂(g) What weight of H₂O is produced by completely burning 19.8 g of octane?

(Multiple Choice)

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Question 11

Which of the following is true of the reaction: O₂(g) → 2 O(g)?

(Multiple Choice)

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Question 12

Which of the following is reduction?

(Multiple Choice)

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Question 13

When a solution of ammonium chloride, NH₄Cl, is added to a solution of lead(II) nitrate, Pb(NO₃)₂, a white precipitate of lead chloride, PbCl₂, forms. Which of the following is the net ionic equation for this reaction?

(Multiple Choice)

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Question 14

In the industrial synthesis of acetic acid, methanol is reacted with carbon monoxide. The balanced equation for this reaction is: CH₃OH(g) + CO(g) → CH₃COOH(l) If ethanol 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 15

Which of the following is true of the reaction: 2 H(g) → H₂(g)?

(Multiple Choice)

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Question 16

In the reaction CH₂O(g) + O₂(g) → HCOOH(g) + H₂O(g) which species is oxidizing agent?

(Multiple Choice)

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Question 17

Diethyl ether can be made from ethanol. The reaction is: 2 C₂H₅OH(l) → (C₂H₅)₂O(l) + H₂O(l) The percent yield of diethyl ether in one experiment was 94.0% and actual yield was 68.6 G) How much ethanol did the chemist use in this experiment?

(Multiple Choice)

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Question 18

Lime, CaO, is produced by the reaction CaCO₃(s) → CaO(s) + CO₂(g). What weight of CaO is obtained by the decomposition of 38.7 g of CaCO₃?

(Multiple Choice)

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Question 19

How many molecules are present in one mole of water, H₂O?

(Multiple Choice)

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Question 20

Showing 1 - 20 of 140

Exam 4: Chemical Reactions

When solutions of AgNO3 and NaOH react, the balanced molecular equation is: 2 AgNO3(aq) + 2 NaOH(aq) → Ag2O(s) + 2 NaNO3(aq) + H2O(l) How much Ag2O is produced when 0.200 g of AgNO3 and 0.200 g of NaOH react?

Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The balanced equation for this reaction is: C2H4(g) + H2O(g) → C2H5OH(l) If water is present in excess, how many moles of ethanol can be produced from 7.24 mol of ethylene?

For the reaction N2(g) + 3 H2(g) → 2 NH3(g) which of the following can be determined using only the coefficients of the balanced chemical equation?

How many moles of marble, CaCO3, are there in a 275 g piece of marble?

When solutions of AgNO3 and NaCl react, the balanced molecular equation is: AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) How much AgCl is produced when 3.10 g of AgNO3 and 3.10 g of NaCl react?

A bicycle manufacturer has a stock of 50 frames 70 wheels, and 120 reflectors. If each bicycle manufactured requires 4 reflectors, how many bicycles can the manufacturer make?

Solutions of sugars such as glucose react with Ag+(aq) to produce Ag(s). In this reaction glucose functions as which of the following?

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

Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The balanced equation for this reaction is: C2H4(g) + H2O(g) → C2H5OH(l) If water is present in excess, how many grams of ethanol can be produced from 7.24 mol of ethylene?

In the reaction CH2O(g) + O2(g) → 2HCOOH(g), which species is the reducing agent?

The balanced equation for burning octane is: 2 C8H18(g) + 25 O2(g) → 18 H2O(g) + 16 CO2(g) What weight of H2O is produced by completely burning 19.8 g of octane?

Which of the following is true of the reaction: O2(g) → 2 O(g)?

Which of the following is reduction?

When a solution of ammonium chloride, NH4Cl, is added to a solution of lead(II) nitrate, Pb(NO3)2, a white precipitate of lead chloride, PbCl2, forms. Which of the following is the net ionic equation for this reaction?

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

Which of the following is true of the reaction: 2 H(g) → H2(g)?

In the reaction CH2O(g) + O2(g) → HCOOH(g) + H2O(g) which species is oxidizing agent?

Diethyl ether can be made from ethanol. The reaction is: 2 C2H5OH(l) → (C2H5)2O(l) + H2O(l) The percent yield of diethyl ether in one experiment was 94.0% and actual yield was 68.6 G) How much ethanol did the chemist use in this experiment?

Lime, CaO, is produced by the reaction CaCO3(s) → CaO(s) + CO2(g). What weight of CaO is obtained by the decomposition of 38.7 g of CaCO3?

How many molecules are present in one mole of water, H2O?

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When solutions of AgNO₃ and NaOH react, the balanced molecular equation is: 2 AgNO₃(aq) + 2 NaOH(aq) → Ag₂O(s) + 2 NaNO₃(aq) + H₂O(l) How much Ag₂O is produced when 0.200 g of AgNO₃ and 0.200 g of NaOH react?

Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The balanced equation for this reaction is: C₂H₄(g) + H₂O(g) → C₂H₅OH(l) If water is present in excess, how many moles of ethanol can be produced from 7.24 mol of ethylene?

For the reaction N₂(g) + 3 H₂(g) → 2 NH₃(g) which of the following can be determined using only the coefficients of the balanced chemical equation?

How many moles of marble, CaCO₃, are there in a 275 g piece of marble?

When solutions of AgNO₃ and NaCl react, the balanced molecular equation is: AgNO₃(aq) + NaCl(aq) → AgCl(s) + NaNO₃(aq) How much AgCl is produced when 3.10 g of AgNO₃ and 3.10 g of NaCl react?

Solutions of sugars such as glucose react with Ag⁺(aq) to produce Ag(s). In this reaction glucose functions as which of the following?

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

Ethanol is produced industrially by the acid catalyzed reaction of ethylene with water. The balanced equation for this reaction is: C₂H₄(g) + H₂O(g) → C₂H₅OH(l) If water is present in excess, how many grams of ethanol can be produced from 7.24 mol of ethylene?

In the reaction CH₂O(g) + O₂(g) → 2HCOOH(g), which species is the reducing agent?

The balanced equation for burning octane is: 2 C₈H₁₈(g) + 25 O₂(g) → 18 H₂O(g) + 16 CO₂(g) What weight of H₂O is produced by completely burning 19.8 g of octane?

Which of the following is true of the reaction: O₂(g) → 2 O(g)?

When a solution of ammonium chloride, NH₄Cl, is added to a solution of lead(II) nitrate, Pb(NO₃)₂, a white precipitate of lead chloride, PbCl₂, forms. Which of the following is the net ionic equation for this reaction?

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

Which of the following is true of the reaction: 2 H(g) → H₂(g)?

In the reaction CH₂O(g) + O₂(g) → HCOOH(g) + H₂O(g) which species is oxidizing agent?

Diethyl ether can be made from ethanol. The reaction is: 2 C₂H₅OH(l) → (C₂H₅)₂O(l) + H₂O(l) The percent yield of diethyl ether in one experiment was 94.0% and actual yield was 68.6 G) How much ethanol did the chemist use in this experiment?

Lime, CaO, is produced by the reaction CaCO₃(s) → CaO(s) + CO₂(g). What weight of CaO is obtained by the decomposition of 38.7 g of CaCO₃?

How many molecules are present in one mole of water, H₂O?