The moles of O 2 needed to react completely with 0.225 mol of C 3 H 4 should be determined. Concept Introduction : A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

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Answer 1

Question

Chapter 9, Problem 77CP

(a)

Interpretation Introduction

Interpretation: The moles of O₂ needed to react completely with 0.225 mol of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(b)

Interpretation Introduction

Interpretation: The mass of water produced from the complete reaction of 64.0 g of O₂ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(c)

Interpretation Introduction

Interpretation: The mass of CO₂ produced from the complete reaction of 78.0 g of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(d)

Interpretation Introduction

Interpretation: The percent yield of CO₂ for the reaction should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

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The IR (infrared) spectra of two pure compounds (0.010 M compound A in solvent and 0.010 M compound B in solvent) are given. The pathlength of the cell is 1.00 cm. The y-axis in the spectra is transmittance rather than absorption, so that the wavenumbers at which there is a dip in the curve correspond to absorption peaks. A mixture of A and B in unknown concentrations gave a percent transmittance of 49.8% at 2976 cm¹ and 44.9% at 3030 cm-1 Wavenumber 0.010 M A 0.010 M B Unknown 3030 cm-1 35.0% 93.0% 44.9% 2976 cm-¹ 76.0% 42.0% 49.8% What are the concentrations of A and B in the unknown sample? Transmittance (%) 100 90 80 70 60 50 40 2976 cm-1 30 3030 cm-1 20 Pure A 10 Pure B 0 3040 2990 Wavenumber (cm-1) 2940 2890

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Answer 2

Question

Chapter 9, Problem 77CP

(a)

Interpretation Introduction

Interpretation: The moles of O₂ needed to react completely with 0.225 mol of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(b)

Interpretation Introduction

Interpretation: The mass of water produced from the complete reaction of 64.0 g of O₂ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(c)

Interpretation Introduction

Interpretation: The mass of CO₂ produced from the complete reaction of 78.0 g of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(d)

Interpretation Introduction

Interpretation: The percent yield of CO₂ for the reaction should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

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Answer 3

Question

Chapter 9, Problem 77CP

(a)

Interpretation Introduction

Interpretation: The moles of O₂ needed to react completely with 0.225 mol of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(b)

Interpretation Introduction

Interpretation: The mass of water produced from the complete reaction of 64.0 g of O₂ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(c)

Interpretation Introduction

Interpretation: The mass of CO₂ produced from the complete reaction of 78.0 g of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(d)

Interpretation Introduction

Interpretation: The percent yield of CO₂ for the reaction should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

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Answer 4

Question

Chapter 9, Problem 77CP

(a)

Interpretation Introduction

Interpretation: The moles of O₂ needed to react completely with 0.225 mol of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(b)

Interpretation Introduction

Interpretation: The mass of water produced from the complete reaction of 64.0 g of O₂ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(c)

Interpretation Introduction

Interpretation: The mass of CO₂ produced from the complete reaction of 78.0 g of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(d)

Interpretation Introduction

Interpretation: The percent yield of CO₂ for the reaction should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Expert Solution & Answer

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Answer 5

Chapter 9, Problem 77CP

(a)

Interpretation Introduction

Interpretation: The moles of O₂ needed to react completely with 0.225 mol of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(b)

Interpretation Introduction

Interpretation: The mass of water produced from the complete reaction of 64.0 g of O₂ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(c)

Interpretation Introduction

Interpretation: The mass of CO₂ produced from the complete reaction of 78.0 g of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

(d)

Interpretation Introduction

Interpretation: The percent yield of CO₂ for the reaction should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Answer 6

Chapter 9, Problem 77CP

(a)

Interpretation Introduction

Interpretation: The moles of O₂ needed to react completely with 0.225 mol of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Answer 7

Chapter 9, Problem 77CP

(a)

Interpretation Introduction

Interpretation: The moles of O₂ needed to react completely with 0.225 mol of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Answer 8

(b)

Interpretation Introduction

Interpretation: The mass of water produced from the complete reaction of 64.0 g of O₂ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Answer 9

(b)

Interpretation Introduction

Interpretation: The mass of water produced from the complete reaction of 64.0 g of O₂ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Answer 10

(c)

Interpretation Introduction

Interpretation: The mass of CO₂ produced from the complete reaction of 78.0 g of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Answer 11

(c)

Interpretation Introduction

Interpretation: The mass of CO₂ produced from the complete reaction of 78.0 g of C₃H₄ should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Answer 12

(d)

Interpretation Introduction

Interpretation: The percent yield of CO₂ for the reaction should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Answer 13

(d)

Interpretation Introduction

Interpretation: The percent yield of CO₂ for the reaction should be determined.

Concept Introduction: A balance chemical equation provides complete information about the reactant involves in the reaction and also about the product molecules formed during the reaction. The mole concept is used to calculate moles of reactant and product which can convert to grams with the use of molar mass.

Answer 14

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Answer 15

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Answer 16

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Answer 17

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Solution Summary: The author explains how a balance chemical equation calculates moles of reactant and product which can convert to grams with the use of molar mass.

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