ans wCI, *13.81. Two first-order reactions have activation energies of 15 and 150 kJ/mol. Which reaction will show the larger increase in rate as temperature is increased?

Q: A compound decomposes by a first-order reaction. If the concentration of the compound is 4.01 × 10-2…

A: Initial concentration of the compound [A0] = 5.50 x 10-2 M Concentration of the compound after 61…

Q: Calculate the activation energy for the reaction that has a rate constant of 0.345 sat 200°C and a…

A: We have the rate constants at two different temperatures.  The rate constant of 0.345 s-1 at 200°C…

Q: A certain first-order reaction A ->B is 25% complete in 42 min at 25°C. What is the half-life of the…

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Q: a first order reaction has a half-life of 10 minutes. The value of the rate constant, k, for this…

A: Given 4: Half-life for 1st order reaction=10 min

Q: A certain first-order reaction has a rate constant of 0.00950 1/min at 300 K. What is the half-life…

A: Half life is the time when the concentration of reactants becomes half.

Q: A certain first-order reaction has a rate constant of -3.-1 1.0 X 10 s at 25 °C. (a) If the reaction…

A: The rate constant of reaction at different temperature is related to temperature and activation…

Q: A first-order reaction (A 25 minutes. If the initial concentration of A is 0.400 B) has a half-life…

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Q: A first-order reaction has a rate constant of 7.5 × 10–3 s–1. How many seconds does it take for the…

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Q: nts than first-order reactions. st-order reactions s collide.

A: 1- Higher order Reactions are quite rare because collision frequency Decreases between the…

Q: A certain first-order reaction is 31.5 percent complete in 4.50 min at 25°C. What is its rate…

A: Rate of reaction represents the change of concentration of a reactant or a product with respect to…

Q: A first-order reaction is 35.6% complete in 480 s. Calculate the value of the rate constant

A: Recall the following reaction for first order reaction                                 lnAoA=Kt…

Q: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 60.0 s?

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Q: 14) A second-order reaction has a half-life of 18 s when the initial concentration of reactant is…

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Q: The isomerization of methyisocyanide, CH3NC, to acetonitrile, CH3CN, is a first-order reaction. If…

A: Use the integrated rate law of a first-order reaction to find the rate constant.

Q: What is the half-life in sec for a first-order reaction with k = 2.30 x 10-3 s-1?

A: Given K = 2.30× 10-3 s-1  for first order reaction  t1/2=0.693Ks-1

Q: In a study of the alcohol dehydrogenase cata lysed oxidation of ethanol. the molar concentration of…

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Q: The reaction   2NO2  -------------   2NO      +    O2               Has a rate constant of 0.63…

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Q: What is the activation energy in kJ/mol for this reaction?

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Q: A certain first-order reaction has a rate constant of 0.00710 1/min at 300 K. What is the half-life…

A: The relationship between rate constant and half life for first order reaction is -  Half life,…

Q: A certain first-order reaction A → B is 25% complete in 42 min at 25°C. What is the half-life of the…

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Q: Calculate the activation energy of a first-order reaction that is 20% completein 15 minutes at 40 °C…

A: It is given that a first order reaction is 20% complete at 15 minutes at 40°C and 20% complete at 3…

Q: A first order reaction has a rate constant of 0.0051 min-1. If we begin with 0.10 M concentration of…

A: Given, Rate constant, k = 0.0051 min-1. Initial concentration, A◦ = 0.10 M Time = 3 hours…

Q: rate constant of a first-order process

A: First-order reaction depicts that the rate of reaction is directly proportional to the concentration…

Q: For a certain first-order reaction at a certain temp, it takes 8.5 min for the reactant…

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Q: The reaction 2NO2 → 2NO + O2 follows second-order kinetics. At 300°C, [NO2] drops from 0.0100 M to…

A: The order of the reaction provides information about the number of reactant molecules that combine…

Q: A certain first order reaction has a rate constant of 1.0 x 10-3s-1at 250C. If the reaction rate…

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Q: The isomerization of methyisocyanide, CH3NC, to acetonitrile, CH3CN, is a first-order reaction. If…

A: In a first order reaction, the rate of reaction is directly proportional to the change in substrate…

Q: Ca lcu late the ratio of rates of catalysed to non-catalysed reactions at 37 oC given that the…

A: From the  Arrhenius equation: k=Ae-EaRT Where, k is rate constant, A is pre-exponential factor, Ea…

Q: Chemical B reacts by first-order kinetics. If the initial concentration of chemical B is 1.2 M and…

A: The answer is given as follows

Q: The given first-order reaction A→B, has a rate constant of 1.60 x 10-2 s1 at 165°C and 6.54 x 10-'…

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Q: The first-order reaction, SO2Cl2 → SO2 + Cl2, has a rate constant equal to 2.20 × 10-5 s-1 at 593 K.…

A: The rate of the first-order reaction depends only on one reactant. According to the first-order…

Q: The isomerization of methyisocyanide, CH3NC, to acetonitrile, CH3CN, is a first-order reaction. If…

A:

Q: . For the following consecutive first order reactions K =2.0s- K =2.0s →Y the time (in seconds)…

A: Here it is given a first order consecutive  reaction.we will find the time required for Y to reach…

Q: For a first order reaction, the concentration decreases to 30% of its initial value in 5.0 min. What…

A: Given information,

Q: After 40.0 min, 22.0% of a compound has decomposed. What is the half-life of this reaction assuming…

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Q: A first-order chemical reaction is observed to have a rate constant of 24 min-1. What is the…

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Q: A first-order reaction has a rate constant of 0.33 min-1.  How long would it take for the…

A: For a first order reaction: t = 2.303/k log[A]o/[A]t

Q: What is the rate constant of a first-order reaction when 20.0% of a reactant remains after 48.0 s?

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Q: A first order reaction has a rate constant of 0.803 sec-1 at 31.7 oC. If the activation energy is…

A: Given: Activation energy = 60.7 kJ Rate Constant at T1 (K1) = 0.803 s-1 Rate Constant at T2 (K2) =…

Q: The isomerization of methyisocyanide, CH3NC, to acetonitrile, CH3CN, is a first-order reaction. If…

A:

Q: A certain reaction A → products is second order with respect to A with a rate constant, k, 0.122…

A: Use relation rate constant and concentration K=2.303log[A]°/[A]÷t

Q: What is the reactant concentration after 78.9 seconds for a second order reaction with a half-life…

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Q: For A --> B --> C consisting of two consecutive first-order reactions, what is the molar…

A: The consecutive reaction follows first order reaction : A ---> B ----> C  Time = 50 minutes…

Q: A first order reaction has a rate constant of 0.00318 min1. what is the half-life of the reaction?

A: Given, rate constant of first order reaction =0.00318 min-1we are asked to calculate the half-life…

Q: The first-order rate constant for the decomposition of a certain hormone in water at 25∘C is…

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Q: Compound P decays quickly via zeroth order kinetics, with a rate constant of 0.080 M s-1. If the…

A: Applying concept of zero order reaction.

Q: What data should be plotted to show that experimental concentration data fits a first-order…

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Q: For the first order reaction below, the initial concentration of A is 0.58 M. What is the rate…

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Q: A gas-phase decomposition is first-order with respect to the reactant, R. If the initial…

A: Integrated rate equation for first order reaction is,   ln [ A ]t = -kt + ln [ A ]0    [ A ]0  =…