Published by:
CGP EDU Academic Team
Published on: August 14, 2026
For the reaction: X 2 O 4 (1) 
2XO 2 (g)
U = 2.1 kcal, 
S = 20 cal K -1 300 K
Hence 
G is
Text Solution
Verified by ExpertsThe correct answer is:
C
-2.7 kcal
X 2 O 4 (1) 
2XO 2 (g); 
n g = 2 - 0 = 2
H = 
U + 
n g RT = 2.1 + 2 x 
x 300
H = 3.3 kcal
G = 
H - T . 
S = 3.3 - 300 x 
; 
AG = -2.7 kcal
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