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delta(f) U^(Ө) "of formation of" CH(4)(g...

`delta_(f) U^(Ө) "of formation of" CH_(4)(g)` at a certain temperature is `-393Jmol^(-1).` The value of `delta H^(Ө)is:`

A

zero

B

`lt delta_(f) U^(Ө)`

C

`gt delta_(f) U^(Ө)`

D

`"equal to" delta_(f) U^(Ө)`

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The correct Answer is:
B
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