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The combustion of methane is written as ...

The combustion of methane is written as
`CH_(4)(g)+2O_(2)(g)toCO_(2)(g)+2H_(2)O(l)`
The difference between enthalpy change and energy change is equal to:

A

`-2RT`

B

`0`

C

`RT`

D

`(RT)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaH=DeltaU+Deltan_(g)RT`
`DeltaH-DeltaU=(1-3)RT`
`=-2RT`.
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