GAT Subject
Engineering
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36. | Standard enthalpy of combustion of graphite at 25 oC is –393.51 kJ mol-1 and that of diamond is –395.41 kJ mol-1. The enthalpy change for graphite is: | |
A. | – 1.91 | |
B. | +2.1 | |
C. | –2.1 | |
D. | +1.91 | |