JEE Main 2023 · ChemistryNumerical answerNumerical valueEasyCalculation

JEE Main 8 April 2023, Shift 1, Chemistry Q84

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

When a 60 W electric heater is immersed in a gas for 100s in a constant volume container with adiabatic walls, the temperature of the gas rises by

5^\circ\mathrm{C}

. The heat capacity of the given gas is ________

\mathrm{J\,K^{-1}}

(Nearest integer)

Official answer

1200

NTA final key.

Chapter: Thermodynamics (Chemistry)
Topic: Enthalpy and Hess's Law
Idea tested: Enthalpy and Heat Capacity

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.