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Question

For the following reaction :
CDiamond+O2CO2(g);ΔH=94.3kcal
CGraphite+O2CO2(g);ΔH=97.6kcal
The heat required to change 1 g of CdiamondCgraphite is:

A
1.59 kcal
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B
0.1375 kcal
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C
0.55 kcal
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D
0.275 kcal
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