Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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Question
Question #70 i-iii please
Transcribed Image Text:2 Ca(s) + O2(8)
Free Energy Changes, Nonstandard Conditions, and
the Equilibrium Constant
а.
b. a
с.
69. Consider the sublimation of iodine at 25.0 °C:
77. Es
L(s) → I2(g)
re
a. Find AGan at 25.0 °C.
b. Find AGX at 25.0 °C under the following nonstandard con-
ditions:
78. E
i. R = 1.00 mmHg
ii. R, = 0.100 mmHg
c. Explain why iodine spontaneously sublimes in open air at
25.0 °C.
79.
70. Consider the evaporation of methanol at 25.0 °C :
CH;OH(1)
CH3OH(g)
a. Find AG; at 25.0 °C.
b. Find AG at 25.0 °C under the following nonstandard
conditions:
150.0 mmHg
i. PCH,OH
ii. PCH,OH
iii. PCH,OH
c. Explain why methanol spontaneously evaporates in open air
100.0 mmHg
= 10.0 mmHg
at 25.0 °C.
71. Consider the reaction:
CH3OH(8)
=CO() 25
Calculate AG for this reaction at 25 TASİCT the fcilowing
conditions:
i. PCH,OH
ii. Pco
iii. Ri,
0.855 atm
0.125 atm
0.183 atm
%3D
Consider the reaction:
CO(g) + CCI,(g)=2 COCI(g)
Calculate AG for this reaction at 25 °C under the followin
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