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UPSEE Solved Model Paper 5
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© examsnet.com
Question : 58
Total: 150
For the process
H
2
O
(l) (1 bar, 273K) →
H
2
O
(g) (1 bar, 373K), the correct set of thermodynamics parameters is:
ΔG = 0, ΔS = +ve
ΔG = 0 , ΔS = −ve
ΔG = +ve , ΔS = 0
ΔG = −ve , ΔS = +ve
Validate
Solution:
ΔG = 0, ΔS = +ve
H
2
O
(l) and
H
2
O
(g) both exist together at same temperature and pressure, suggests the state of equilibrium
Hence, ΔG = 0
and conversion of liquid into gas increases disorderness,entropy hence ΔS = +ve
© examsnet.com
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