The rate constant for a reaction is 4.65 L mol¯1s¯1. What is the overall order of the reaction?

A) zero B) first C) second D) third E) More information is needed to determine the overall order. A) zero B) first C) second D) third E) More information is needed to determine the overall order.

The rate constant for the reaction 3A $\rightarrow$ 4B is 6.00 *10¯3 L mol¯1min¯1. How long will it take the concentration of A to drop from 0.75 M to 0.25 M?

A) 2.2 * 10¯3 min B) 5.5 * 10¯3 min C) 180 min D) 440 min E) 5.0 * 102 min A) 2.2 * 10¯3 min B) 5.5 * 10¯3 min C) 180 min D) 440 min E) 5.0 * 102 min

Exam 16: Kinetics: Rates and Mechanisms of Chemical Reactions

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In the gas phase at 500. $\degree$ C, cyclopropane reacts to form propene in a first-order reaction. The figure below shows the concentration of cyclopropane plotted versus time. Use the graph to calculate approximate values of A) the rate of the reaction, 600. seconds after the start. B) the half-life of the reaction, t_1/2. $In the gas phase at 500. \degree C, cyclopropane reacts to form propene in a first-order reaction. The figure below shows the concentration of cyclopropane plotted versus time. Use the graph to calculate approximate values of A) the rate of the reaction, 600. seconds after the start. B) the half-life of the reaction, t<sub>1/2</sub>.$

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Question 81

The rate constant for a reaction is 4.65 L mol¯¹s¯¹. What is the overall order of the reaction?

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Question 82

In the collision theory of reaction rates, the rate constant for a bimolecular reaction can be written as k = z · p · exp In one sentence each, clearly explain the physical meaning (interpretation) of the following three factors which appear in the above expression: A) z B) p C) exp

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Question 83

Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. What is the overall reaction equation for this process?

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Question 84

Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years. What is the first-order rate constant for its decay, in units of years¯¹?

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Question 85

The decomposition of dinitrogen pentaoxide to nitrogen dioxide and oxygen follows first-order kinetics and has an activation energy of 102 kJ/mol. By what factor will the fraction of collisions with energy greater than or equal to the activation energy increase if the reaction temperature goes from 30 $\degree$ C to 60 $\degree$ C?

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Question 86

Based on the initial rate data below, what is the value of the rate constant? 2NOBr(g) $\rightarrow$ 2NO(g) + Br₂(g) $Based on the initial rate data below, what is the value of the rate constant? 2NOBr(g) \rightarrow 2NO(g) + Br<sub>2</sub>(g)$

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Question 87

The rate constant for the reaction 3A $\rightarrow$ 4B is 6.00 *10¯³ L mol¯¹min¯¹. How long will it take the concentration of A to drop from 0.75 M to 0.25 M?

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Question 88

Consider this reaction: 8A(g) + 5B(g) $\rightarrow$ 8C(g) + 6D(g) If [C] is increasing at the rate of 4.0 mol L¯¹s¯¹, at what rate is [B] changing?

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Question 89

Showing 81 - 89 of 89

The rate constant for a reaction is 4.65 L mol¯¹s¯¹. What is the overall order of the reaction?

In the collision theory of reaction rates, the rate constant for a bimolecular reaction can be written as k = z · p · exp In one sentence each, clearly explain the physical meaning (interpretation) of the following three factors which appear in the above expression: A) z B) p C) exp

Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. What is the overall reaction equation for this process?

Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years. What is the first-order rate constant for its decay, in units of years¯¹?

Based on the initial rate data below, what is the value of the rate constant? 2NOBr(g) $\rightarrow$ 2NO(g) + Br₂(g) $Based on the initial rate data below, what is the value of the rate constant? 2NOBr(g) \rightarrow 2NO(g) + Br<sub>2</sub>(g)$

The rate constant for the reaction 3A $\rightarrow$ 4B is 6.00 *10¯³ L mol¯¹min¯¹. How long will it take the concentration of A to drop from 0.75 M to 0.25 M?

Consider this reaction: 8A(g) + 5B(g) $\rightarrow$ 8C(g) + 6D(g) If [C] is increasing at the rate of 4.0 mol L¯¹s¯¹, at what rate is [B] changing?

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

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Exam 16: Kinetics: Rates and Mechanisms of Chemical Reactions

The rate constant for a reaction is 4.65 L mol¯1s¯1. What is the overall order of the reaction?

In the collision theory of reaction rates, the rate constant for a bimolecular reaction can be written as k = z · p · exp In one sentence each, clearly explain the physical meaning (interpretation) of the following three factors which appear in the above expression: A) z B) p C) exp

Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. What is the overall reaction equation for this process?

Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years. What is the first-order rate constant for its decay, in units of years¯1?

Based on the initial rate data below, what is the value of the rate constant? 2NOBr(g) →\rightarrow→ 2NO(g) + Br2(g)

The rate constant for the reaction 3A →\rightarrow→ 4B is 6.00 *10¯3 L mol¯1min¯1. How long will it take the concentration of A to drop from 0.75 M to 0.25 M?

Consider this reaction: 8A(g) + 5B(g) →\rightarrow→ 8C(g) + 6D(g) If [C] is increasing at the rate of 4.0 mol L¯1s¯1, at what rate is [B] changing?

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Organic Compounds and the Atomic Properties of Carbon

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

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The rate constant for a reaction is 4.65 L mol¯¹s¯¹. What is the overall order of the reaction?

Carbon-14 is a radioactive isotope which decays with a half-life of 5730 years. What is the first-order rate constant for its decay, in units of years¯¹?

Based on the initial rate data below, what is the value of the rate constant? 2NOBr(g) $\rightarrow$ 2NO(g) + Br₂(g) $Based on the initial rate data below, what is the value of the rate constant? 2NOBr(g) \rightarrow 2NO(g) + Br<sub>2</sub>(g)$

The rate constant for the reaction 3A $\rightarrow$ 4B is 6.00 *10¯³ L mol¯¹min¯¹. How long will it take the concentration of A to drop from 0.75 M to 0.25 M?

Consider this reaction: 8A(g) + 5B(g) $\rightarrow$ 8C(g) + 6D(g) If [C] is increasing at the rate of 4.0 mol L¯¹s¯¹, at what rate is [B] changing?