If heat contents of CH 4 , C 2 H 4 and C 3 H 8 are -17.9, 12.5 and -24 – McqOptions

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1.	If heat contents of CH 4 , C 2 H 4 and C 3 H 8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ?H for the reaction CH 4 ( g ) + C 2 H 4 ( g ) C 3 H 8 ( g ) will be __________ Kcal.
A.	-19.4
B.	-30.2
C.	55.2
D.	-55.2
Answer» B. -30.2

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