Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from 20°C to 90°C. Work done by gas is close to: (Gas constant R = 8.31 J/mol. K)

Engineering

Physics

Pressure Derivation Ideal Gas Equation and Gas Laws

Question

146 J

581 J

73 J

291 J

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W = nR $∆$ T

$= \frac{1}{2} \times 8 .31 \times 70$

= 290.85 J