If three moles of an ideal gas at 300 K expand isothermally from $30\ \mathrm{dm^3}$ to $45\ \mathrm{dm^3}$ against a constant opposing pressure of 80 kPa, then the amount of heat transferred is __________ J.

JEE Main 2024 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 27 January 2024, Shift 1, Chemistry Q84

Question 84 of 90 in this shift, Chemistry question 24 of 30, Section B.

If three moles of an ideal gas at 300 K expand isothermally from

30\ \mathrm{dm^3}

45\ \mathrm{dm^3}

against a constant opposing pressure of 80 kPa, then the amount of heat transferred is __________ J.

Official answer

1200

NTA final key.