Answered: LnK -10 -20 -30 -40 -50 -60 -70 -80 -90…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.28PAE

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hello I need help with this question.

Given the above relationship, use the graph attached below to identify which of the following statements are "true" or "false" in this specific case.

All statements refer to the forward reaction (proceeding left to right, as given) corresponding to the equilibrium constant K.

The reaction is spontaneous at the highest temperatures but not at lower temperatures.
    As the temperature is decreased, the equilibrium position shifts in favour of the reactants.
    The products are more ordered than the reactants.
    The reaction is exothermic.
    G° is negative at low temperatures but becomes positive at higher temperatures.

LnK
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
For an equilibrium reaction:
A + B
C + D
the following graph was obtained.
0.002 0.004 0.006
Ink =
1/T
-AH° Asº
RT
R
+
0.008
0.01

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