Calculate the ratio of rates of catalyzed to non-catalyzed reactions at 37°C, given that the Gibbs energy of activation for a particular reaction is reduced from 100 kJ/mol to 10 kJ/mol. Ans: 1.5 x 1015

Calculate the ratio of rates of catalyzed to non-catalyzed reactions at 37°C, given that the Gibbs energy of activation for a particular reaction is reduced from 100 kJ/mol to 10 kJ/mol. Ans: 1.5 x 1015

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter18: Chemical Kinetics

Section: Chapter Questions

Problem 23P

See similar textbooks

Related questions

Q: At 564.5 °C, the Kp for the reaction: 1A + 2B 5AB is 5.13.10³ What is Keq? Enter your answer in…

Q: The rate constant for the gas-phase decomposition of N2O Make the appropriate graph using these…

A: The modified Arrhenius equation is given as: Thus, a plot of ln K versus 1/T would a straight…

Q: The reaction X + X, → 2 X, is shown to have an activation energy of 51 kJ/mol while the enthalpy of…

Q: 5. N2Os - N204+ ½O2 From the data for the decomposition reaction of N2O5, determine the reaction…

A: In the given problem we are required to calculate the order of the decomposition of N2O5 to give…

Q: ) if a plot of In(k) v.s 1/T of this pesticide showed a straight line with an equation of the line Y…

Q: Consider the elementary reactions and their rate constants. A(g) + B(g) C(g) + D(g) kf = 4.29 × 10-2…

A: At equilibrium, rate of forward reaction is equal to the rate of backward reaction. Equilibrium…

Q: Kinetic data was collected for the following reaction at 298 K. 2AB(g) → A2(g) + B2(g) Time (s) [AB]…

A: The kinetics data given is,

Q: Given the following data for the reaction A → B, determine the activation energy, Ea, of the…

A: The relationship between rate constant and activation energy is given by K = A e-Ea / RT where K =…

Q: Determine the equilibrium constant K 'of the reaction in aqueous solution. Fumarate + water ⇆…

A: Given: ΔG° (fumarate)= -604.17 kJ/mol ΔG° (H2O)= -237.23 kJ/mol ΔG°( malate) =-845.17 kJ/mol To…

Q: A substance decomposes according to first order kinetics. The rate constants at various temperatures…

A: SOLUTION: Step 1: The activation energy of the reaction can be calculated from the Arrhenius…

Q: The reaction for the decomposition of ammonia into its elements is: 2 NH (a) Na (a) +3 Ha ta) [H) =…

Q: The element Co exists in two oxidation states, Co(II) and Co(III), and the ions form many complexes.…

A: Activation energy - the minimum amount of energy that must be provided for compounds to result in…

Q: 5. If the concentration of the product NH3 was Increased from 1.0x 104 M to 5.6 x 10 M, calculate…

A: Given reaction is, N2+3H2→2NH3 From the other parts of the question, we have [N2] = 4.0 M [H2] =…

Q: products T (K) | k (s-1) 225 0.399 575 0.895 What two points should be plotted to graphically…

A: Arrhenius equation, k = A exp(-Ea/RT) where k = rate constant A = Arhenius constant…

Q: Consider the initial-rate data at a certain temperature in the table for the reaction described by…

A: Answer:- This question is answered by using the simple concept of calculation of rate constant using…

Q: 5: When activation energy of a certain reaction is very low, the conversion of limiting reactant…

A: Activation energy is the energy required to limiting reagent to cross the energy barrier and…

Q: Calculate the standard free-energy change of the reaction catalysed by the enzyme phosphoglucomutase…

Q: Some bacteria are resistant to the antibiotic penicillin because they produce penicillinase, an…

A: The concentration of one or more reactants may determine the rate of a chemical reaction (at any…

Q: The rate constant for the gas-phase decomposition of N2O5, N2O5 2NO2 + 02 has the following…

A: We have the data set of temperature(T) and rate constant(k) in the format of table. We need to…

Q: Construct the expression for Kp for the following reaction. 2 CSH18(1) + 25 O2(g) = 16 CO2(g) + 18…

A: A reversible chemical reaction can move in either forward or backward direction. The stage of a…

Q: Given the following data for the reaction A -->B, determine the activation energy, Ea, of the…

A: Given Initial Rate constant ( K1 ) = 0.730 Final Rate constant ( K2 ) = 0.739 Initial Temperature…

Q: The reaction quotient, Q, is 9.00 × 10⁻¹² The Ksp of zinc fluoride is 3.04 x10⁻² at 25°C. Comparing…

Q: Q1.Differentiate between homogenous and heterogeneous catalysis with suitable examples Q2. What are…

A: The explanation is given below

Q: A student collected pressure measurements at 298 K over 120 seconds and plotted the data as the…

Q: a) Complete the table below by providing the data needed to obtain the activation energy by the…

Q: Two products are formed in reactions in which there is kinetic control of the ratio of products. The…

A: Arrhenius equation gives the relation between the rate constant, activation energy and temperature.…

Q: The rates of the forward and reverse reactions for a reaction A+B ⇌ C were found to be 5.0 × 106 dm3…

A: The equilibrium constant for a given chemical reaction can be defined as the reaction quotient of…

Q: . For a certain reaction, Kc = 4.48×106 and kf= 4.10×10−2 M−2⋅s-1 . Calculate the value of the…

A: Answer: Equilibrium is a state for a system when rate of forward reaction becomes equal to rate of…

Q: Determine the equilibrlum constant (Keg) at 25°C for the reaction Cl2{g) + 2Br¯ (aq) - 20" (aq) +…

Q: 1.) Kc for the reaction of tin (ii) ions with iron (iii) ions Sn2+ (aq) +2FE3+ (aq) Snt+ (aq) +2FE2*…

A: Given: The reaction is as follows, Sn2+(aq) + 2Fe3+(aq) ⇋ Sn4+(aq) + 2Fe2+(aq) Kc = 1.0×1010…

Q: For a solution-phase dimerization reaction, the rate constants for the second-order forward reaction…

A: Equilibrium constant is ratio of rate constant of forward to backward

Q: Write the equilibrium constant expression for points B, C, and D. Fill the missing powers in the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Consider the reaction network of the gaseous isomerisation, decomposition and dimerisation reactions…

Q: Derive the unit for K then using K at 904 degrees celsius, find the rate of reaction at the instant…

Q: Consider the initial-rate data at a certain temperature in the table for the reaction described by 2…

Q: 2 ClO (g) Cl2 (g) + O2 (g) Determine the activation energy (Ea) and frequency factor (A) for this…

A: Here i have determined values of both Ea and A

Q: Bromine, Br2, reacts with chlorine, Cl2, in a tetrachloromethane, CCI4, solution to form bromine…

A: For an equation ; aA+bB⇌cC + dDKc=[C]c [D]d[A]a [B]b[C]=concentration of C[D]=concentration of…

Q: The half-life for a first order reaction A P at 600 K is 11.6 seconds. How many seconds are needed…

A: Chemical Reaction is of 1st Order. A ----> P { 1st Order } Half-life time = t1/2 = 11.6…

Q: Phosphorus pentachloride thermally dissociates according to reaction given below. PCl#(g) ⇌ PCl!(g)…

A: Phosphorous pentachloride dissociates as: PCl5(g)⇌PCl3(g)+Cl2(g)Initial= 1 -…

Q: . At a very high temperature sulfuryl chloride (SO2C12) decomposes in a reversible reaction to…

A: Kp is defined as the equilibrium constant in terms of partial pressure. It is the ratio of partial…

Q: Calculate the standard free-energy change of the reaction catalysed by the enzyme phosphoglucomutase…

A: The solution is given below -

Q: The dissociation of HI at 723 K has an equilibrium constant of 2.0×10–2 (unitless). a) Calculate…

Q: Define the term reaction quotient (Qc)?

A: Reaction quotient gives the ratio of concentration of products to that of the reactants.

Q: The vapor-liquid reactive equilibria for ethyl lactate synthesis follows the expression log K =…

A: The vapour-liquid reactive equilibria equation given is, And temperature = 85.0 oC

Q: (a) If Qc > Kc, how must the reaction proceed to reachequilibrium? (b) At the start of a certain…

A: A reaction is said to be in equilibrium if the rate of the forward reaction is equal to the rate of…

Q: The reaction for the decomposition of ammonia into its elements is: 2 NH3 (g) → N2 (g) + 3 H2 (g)…

A: Given data : 1. [NH3] = 0.505 M 2. [N2] = 0.0105 M 3. [H2] = 0.414 M

Q: 4. For the reaction: N,0,(g) = 2NO,(g) Assuming initial mass m of N,0,(g) and constant temperature…

A: Let ‘a' be the initial number of moles of reactant. The ICE table for the given reaction can be…

Q: Be sure to answer all parts. Use the data in the following table to determine the activation energy…

Question

Calculate the ratio of rates of catalyzed to non-catalyzed reactions at 37°C, given that the Gibbs energy of activation for a particular reaction is reduced from 100 kJ/mol to 10 kJ/mol.

Ans: 1.5 x 10¹⁵

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Basic

VIEW

Answer

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

For the decomposition of Ag2O: 2Ag2O(s)4Ag(s)+O2(g)(a) Obtain an expression for G as a function of temperature. Prepare a table of G values at 100 K intervals between 100 K and 500 K. b) Calculate the temperature at which G =0.
A. For a certain reaction, Kc = 4.48×106 and kf= 4.10×10−2 M−2⋅s-1 . Calculate the value of the reverse rate constant, kr, given that the reverse reaction is of the same molecularity as the forward reaction. Express your answer with the appropriate units. Include explicit multiplication within units, for example to enter M−2⋅s−1nclude ⋅⋅ (multiplication dot) between each measurement. B. For a different reaction, Kc = 97.7, kf=3.00×10^3s−1 and kf=3.00×10^3s−1 , and kr= 30.7 s−1. Adding a catalyst increases the forward rate constant to 1.37×106 s−1s−1 . What is the new value of the reverse reaction constant, kr, after adding catalyst? Express your answer with the appropriate units. Include explicit multiplication within units, for example to enter M−2⋅s−1 include ⋅ (multiplication dot) between each measurement.
For the reaction 4A(g)+3B(g) →2C(g) the following data were obtained at constant temperature a) What is the order with respect to each reactant? (b) Write therate law. (c) Calculate k.
Given the following propositions, indicate which or which are correct: When a catalyst is added to a system: I) The enthalpy change of the reaction becomes more negative, that is, the reaction becomes more exothermic and therefore faster . II) The Gibbs standard energy variation becomes more negative and consequently its speed increases. III) The equilibrium state is not modified. IV) The mechanism of the reaction is modified and therefore its speed increases.
Bromine, Br2, reacts with chlorine, Cl2, in a tetrachloromethane, CCI4, solution to form bromine monochloride, BrCI. At equilibrium, the concentrations of Br2, Cl2, and BrCI in a reaction mixture were found to be 0.048 mol dm-3, 0.037 mol dm-3, and 0.111 mol dm-3, respectively, at 298 K. Calculate the equilibrium constant in terms of concentration, Kc, at this temperature.
The frequency factor for the second-order gas-phase decomposition of ozone at low pressures is 4.6 × 1012 dm3 mol−1 s−1 and its activation energy is 10.0 kJ mol−1. What are (i) the entropy of activation, (ii) the enthalpy of activation, (iii) the Gibbs energy of activation at 298 K? Assume κ = 1.
Consider the reaction network of the gaseous isomerisation, decomposition anddimerisation reactions of the same reactant A:Isomerisation: A ⇆ IDecomposition: A ⇆ B + CDimerisation: 2A ⇆ DAt the reaction temperature, the equilibrium constants, expressed in terms of partial pressures, are:Isomerisation: KI = 5Decomposition: KDe = 0.5 barDimerisation: KDi = 5 bar-1At 1 bar, there is only 1 mol of A initially. Express the mole-fraction of each reaction component at equilibrium as function of the extents of the three reactions at equilibrium, ξI, ξDe, ξDi.Calculations resulted in the following values of the extents of the three reactions, isomerisation, decomposition and dimerization at equilibrium: ξI= 0.5400 mol, ξDe =0.2553 mol, ξDi= 0.0483 mol.Calculate the equilibrium mole-fractions of reaction components A, I, B, C and D and show that the equilibrium extent values are correct.
A substance decomposes according to first order kinetics. The rate constants at various temperatures are as follows: T/C 15.0 20.0 25.0 30.0 37.0 k×10^6/S^(-1) 4.18 7.62 13.7 24.1 51.5 Calculate the activation energy and the pre-exponential factor (A). Calculate also, at 25 C, the changes in enthalpy of activation (Δ H#), Gibbs energy of activation (ΔG#), and entropy of activation (ΔS#).
Does the rate constant for a reaction generally increase or decrease with an increase in reaction temperature?
The activation energy of a forward process is 65 kJ/mol, and that of the reverse process is 50 kJ/mol. What is ΔH of the process?
What is the effect of catalyst on:(i) Gibbs energy (ΔG) and(ii) activation energy of a reaction?
Specify the pre-equilibrium and steady-state approximations and explain why they might lead to different conclusions.