Chemistry > 2014 > 27
JAMB UTME
If the change in free energy of a system is -899 Jmol-1 and the entropy change is 10 Jmol-1K-1 at 25 °C, calculate the enthalpy change.
A.
-2081 Jmol-1
B.
-649 Jmol-1
C.
+ 649 Jmol-1
D.
+2081 Jmol-1
Answer: D
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