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Given C(s)+O2 ​ (g)→CO 2 ​ (g)+94.2Kc...

Given C(s)+`O_2` ​ (g)→CO 2 ​ (g)+94.2Kcal, `H_2` ​ (g)+ 1/2 ​ `O_2` ​ (g)→`H_2` ​ O(l)+68.3Kcal, `CH_4` ​ (g)+`2O_2` ​ (g)→`CO_2` ​ (g)+`2H_2` ​ O(l)+210.8Kcal The heat of formation of methane in kcal will be:

A

45.9 kcal

B

47.8 kcal

C

20.0 kcal

D

47.4 kcal

Text Solution

Verified by Experts

The correct Answer is:
C
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