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Byju's Answer
Standard XII
Chemistry
Gibbs Free Energy & Spontaneity
Look at the f...
Question
Look at the following diagram
The enthalpy change for the reaction
A
→
B
will be:
A
–
25
k
J
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B
−
40
k
J
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C
+
25
k
J
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D
−
65
k
J
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Solution
The correct option is
A
–
25
k
J
Δ
H
=
E
P
−
E
R
=
15
−
40
=
−
25
k
J
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