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If the energy absorbed by each X, molecu...

If the energy absorbed by each X, molecule of a gas is `3.5 xx 10^(-19)` J and the bond energy of `X_2 `is 180.6 kJ `mol^-1` then the kinetic energy per atom will be

A

`2.5xx10^-19 J`

B

`5.0xx10^-20 J`

C

`2.5xx10^-20 J`

D

`1.5xx10^-19 J`

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