How much heat energy in joules must be s...

How much heat energy in joules must be supplied to 14gms of nitrogen at room temperature to rise its temperature by `40^(@)C` at constant pressure? (Mol. Wt. of `N_(2)=28gm`, R=constant)

50R

60R

70R

80R

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The correct Answer is:

`(dQ)_(P)=nC_(O)dT`

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