A student measured the equilibrium constant of the reaction between 300 K and 600 K 2C3H6 (g) <==> C2H4 (9) + C4H8 (9) He did not know van't Hoff equation so he fitted the data with the empirical equation shown below: In(K) = -1. You don't have the raw data but you believe he did the fitting right. Can you recalculate the data and use van't Hoff equation to calculate the standard reaction enthalpy at 400 K? A₁H= J/mol. 3 sig. fig. QUESTION 15 at 400 K, reaction free energy AG= QUESTION 16 at 400 K, reaction entropy A,S = J/mol. 3 sig. fig. J/K/mol. 3 sig. fig.

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
Chapter14: Chemical Equilibrium
Section: Chapter Questions
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A student measured the equilibrium constant of the reaction between 300 K and 600 K
2C3H6 (g) <==> C2H4 (9) + C4H8 (9)
He did not know van't Hoff equation so he fitted the data with the empirical equation shown below:
In(K) = -1.
You don't have the raw data but you believe he did the fitting right.
Can you recalculate the data and use van't Hoff equation to calculate the standard reaction enthalpy at 400 K?
A₁H=
J/mol. 3 sig. fig.
QUESTION 15
at 400 K, reaction free energy AG=
QUESTION 16
at 400 K, reaction entropy A,S=
J/mol. 3 sig. fig.
J/K/mol. 3 sig. fig.
Transcribed Image Text:A student measured the equilibrium constant of the reaction between 300 K and 600 K 2C3H6 (g) <==> C2H4 (9) + C4H8 (9) He did not know van't Hoff equation so he fitted the data with the empirical equation shown below: In(K) = -1. You don't have the raw data but you believe he did the fitting right. Can you recalculate the data and use van't Hoff equation to calculate the standard reaction enthalpy at 400 K? A₁H= J/mol. 3 sig. fig. QUESTION 15 at 400 K, reaction free energy AG= QUESTION 16 at 400 K, reaction entropy A,S= J/mol. 3 sig. fig. J/K/mol. 3 sig. fig.
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