Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from to

PHYSICS · Single correct · CBSE · Physics · Thermodynamics · Thermodynamics

Problem

Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from

20^\circ\text{C}

90^\circ\text{C}

. Work done by gas is close to: (Gas constant

R = 8.31 \text{ J/mol-K}

) (1) 581 J (2) 291 J (3) 146 J (4) 73 J