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A sample of CH(4) of 0.08 g was subjecte...

A sample of `CH_(4)` of `0.08 g` was subjected to combustion at `27^(@)C` in a bomb calorimater. The temperature of the calorimeter system was found to be raised by `0.25^(@)C`. IF heat capacity of calorimeter is 18K J, `Delta H` for combustion of `CH_(4)` at `27^(@)C` is

A

`-900` KJ/mole

B

`-905` KJ/mole

C

`-895` KJ/mole

D

`-890` KJ/mole

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaU=Zxxthetaxx(M)/(W),DeltaH=DeltaU+DeltanRT`
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