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Byju's Answer
Standard XII
Chemistry
Enthalpy of Solution
what is chang...
Question
what is change in internal energy, entropy, enthalpy, gibbs free energy for an ideal solution?
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Q.
When a solid melts reversibly
[H-Enthalpy, G-Gibbs Free energy, E- internal energy, S- Entropy]
Q.
Statement 1: An endothermic reaction can be spontaneous
Statement 2: Both the enthalpy and the entropy changes affect the Gibbs free-energy change of the reaction.
Q.
Statement I: A reaction with a positive enthalpy and a negative entropy will be spontaneous
BECAUSE
Statement II: The Gibbs free energy for a spontaneous reaction is negative
Q.
Standard enthalpy and standard entropy change for the oxidation of
N
H
3
at
298
K
are
−
382.64
k
J
m
o
l
−
1
and
−
145.6
k
J
m
o
l
−
1
respectively. Standard Gibbs energy change for the same reaction at
298
K
is:
Q.
If liquids A and B form an ideal solution, then what is the Gibbs free energy of mixing?
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