Question

120. The heat of combustion of CH4 , Co and
H2qat 25 °C are -212.4 K Cal, -94.0 K Cal
and -68.4 K Cal respectively, the heat of formation
nl bir of CH, will be -
(1) +54.4 K Calos (2) -18.4 K Cal
(3) -375.2 K Cal (4) +212.8 K Cal​

Answer 1

Answer:

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