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2.2g of nitrous oxide (N(2)O) gas is coo...

2.2g of nitrous oxide `(N_(2)O)` gas is cooled at a constant pressure of 1 atm from 310 K to 270 K causing the compression of the gas from 217.1 mL to 167.75 mL. The change in internal energy of the process, `Delta U` is '-x' J. The value of 'x' is ____ [nearest integer] (Given: atomic mass of N= 14g `mol^(-1)` and of O= 16g `mol^(-1)` Molar heat capacity of `N_(2)O` is `100 JK^(-1) mol^(-1)`)

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