The rate constant in s − 1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated. Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Question

6. The equilibrium constant for the reaction 2 HBr (g) → H2(g) + Br2(g) Can be expressed by the empirical formula 11790 K In K-6.375 + 0.6415 In(T K-¹) - T Use this formula to determine A,H as a function of temperature. Calculate A,-H at 25 °C and at 100 °C.

Answer 1

Question

Chapter 20, Problem 72AE

(a)

Interpretation Introduction

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

(b)

Interpretation Introduction

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

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6. The equilibrium constant for the reaction 2 HBr (g) → H2(g) + Br2(g) Can be expressed by the empirical formula 11790 K In K-6.375 + 0.6415 In(T K-¹) - T Use this formula to determine A,H as a function of temperature. Calculate A,-H at 25 °C and at 100 °C.

3. Nitrosyl chloride, NOCI, decomposes according to 2 NOCI (g) → 2 NO(g) + Cl2(g) Assuming that we start with no moles of NOCl (g) and no NO(g) or Cl2(g), derive an expression for Kp in terms of the equilibrium value of the extent of reaction, Seq, and the pressure, P. Given that K₂ = 2.00 × 10-4, calculate Seq/ of 29/no when P = 0.080 bar. What is the new value по ƒª/ at equilibrium when P = 0.160 bar? Is this result in accord with Le Châtelier's Principle?

Consider the following chemical equilibrium: 2SO2(g) + O2(g) = 2SO3(g) • Write the equilibrium constant expression for this reaction. Now compare it to the equilibrium constant expression for the related reaction: • . 1 SO2(g) + O2(g) = SO3(g) 2 How do these two equilibrium expressions differ? What important principle about the dependence of equilibrium constants on the stoichiometry of a reaction can you learn from this comparison?

Answer 2

Question

Chapter 20, Problem 72AE

(a)

Interpretation Introduction

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

(b)

Interpretation Introduction

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

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Answer 3

Question

Chapter 20, Problem 72AE

(a)

Interpretation Introduction

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

(b)

Interpretation Introduction

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

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Answer 4

Question

Chapter 20, Problem 72AE

(a)

Interpretation Introduction

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

(b)

Interpretation Introduction

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

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Answer 5

Chapter 20, Problem 72AE

(a)

Interpretation Introduction

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

(b)

Interpretation Introduction

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Answer 6

Chapter 20, Problem 72AE

(a)

Interpretation Introduction

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Answer 7

Chapter 20, Problem 72AE

(a)

Interpretation Introduction

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Answer 8

(b)

Interpretation Introduction

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Answer 9

(b)

Interpretation Introduction

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Answer 10

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Ch. 20 - Prob. 1E Ch. 20 - Prob. 2E Ch. 20 - Prob. 3E Ch. 20 - Prob. 4E Ch. 20 - Prob. 5E Ch. 20 - Prob. 6E Ch. 20 - Prob. 7E Ch. 20 - Prob. 8E Ch. 20 - Prob. 9E Ch. 20 - Prob. 10E

The rate constant in s − 1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated. Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Solution Summary: The author explains how the decay rate in s-1 is calculated for a radioactive nuclide whose half-life is 3.00 hours.

Concept explainers

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Chapter 20 Solutions

The rate constant in s − 1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated. Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Solution Summary: The author explains how the decay rate in s-1 is calculated for a radioactive nuclide whose half-life is 3.00 hours.

Concept explainers

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated. Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated. Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Chapter 20 Solutions

Interpretation: The rate constant in s−1 for a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.

Interpretation: The decay rate in decayss for 1.000 mole of a radioactive nuclide that has a half-life of 3.00 hours needs to be calculated.

Concept Introduction: The time taken for the reactant’s concentration to reduce to one half of its initial value is called half-life of a reaction.