2.2\ g of nitrous oxide ( N_2O ) gas is cooled at…

Hard· First law, internal energy, enthalpy· +4 / 0

2.2\ \text{g}

of nitrous oxide (

\mathrm{N_2O}

) gas is cooled at a constant pressure of

1\ \text{atm}

from

310\ \text{K}

270\ \text{K}

causing the compression of the gas from

217.1\ \text{mL}

167.75\ \text{mL}

. The change in internal energy of the process,

\Delta U

-x\ \text{J}

. The value of

x

is ______. [nearest integer] (Given : atomic mass of N

=14\ \text{g mol}^{-1}

and of O

=16\ \text{g mol}^{-1}

. Molar heat capacity of

\mathrm{N_2O}

100\ \text{J K}^{-1}\text{mol}^{-1}

)

Your answer (numerical)

Thermodynamics: JEE Mains 2022 June 29 Shift 2