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O Logout Help Jump to... Sapling Learning University of South Florida CHM 2046 5 ALL SECTIONS Activities and Due Dates Chapter 17 My Assignment Resources O 2/2015 11:30 PM A 71.21100 Gradebook O Assignment Information Attempts Score Calculator Period Table Available From: Question 10 of 11 11/12/2015 11:30 PM Due Date: Map Points Possible: 000 Grade Category: Graded Consider a general reaction CHM 2046 Fall 15 enzyme A aq Blaq You can check your answers. The AGor of the reaction is -4.560 kJ mol 1. Calculate the equilibrium constant for the reaction. (Assume a You can view solutions when you complete or give temperature of 25 C. up on any question You have ten attempts per question 50 There is no penalty for incorrect answers. o Help With This Top What is AG at body temperature (37.00 C he concentration of A is 1.8 M and the concentration of B is 0.60 M? Web Help & Video 33 kJ mol AG O Technical Support and Bug Reports AD Previous Give Up & View Solution Check Answer Next Exit Hint Copyright 2011-2015 Sapling Learning, Inc. 19 about us careers partners privacy policy terms of use contact us helpExplanation / Answer
The reaction given is,
A (aq) <------> B (aq)
and delta Grxn = -4.56 kJ / mol = -4560 J / mol
We know that,
delta G = - RT ln K
where,
R = gas constant = 8.314
T = Temperature = 25 degree C = 298 K
K = Equilibrium Constant
=> - 4560 = - 8.314 x 298 x ln K
=> ln K = 1.84
=> K = 6.3 = Equilibrium Constant
Given,
[A] = 1.8 M
[B] = 0.6 M
Keq = [B] / [A] = 0.6 / 1.8 = 0.333
T = 37 degree C = 310 K
delta G = - RT ln K
=> delta G = - 8.314 x 310 x ln (0.333) = 2834.04 J / mol = 2.83 kJ / mol
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