Question 471: Thermodynamics & KTG

Question

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

Accepted Answer

WD = P$$\Delta $$V = nR$$\Delta $$T = $${1 \over 2} 	imes 8.31 	imes 70$$

Answer

581 J

Answer

73 J

Answer

146 J

Answer

291 J

Thermodynamics & KTG

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

Choose the correct answer: