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If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH4(g) + C2H4(g) ⇌ C3H8(g) will be _____________ Kcal?
Chemical Engineeringmedium
-19.4
B-30.2
C55.2
D-55.2
Correct Answer: A. -19.4
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