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JEE Main 25 February 2021, Shift 2, Chemistry Q54

Question 54 of 90 in this shift, Chemistry question 24 of 30, Section B.

Five moles of an ideal gas at 293 K is expanded isothermally from an initial pressure of 2.1 MPa to 1.3 MPa against at constant external pressure 4.3 MPa. The heat transferred in this process is ________ kJ mol

^{-1}

. (Rounded-off to the nearest integer) [Use R

=8.314

J mol

^{-1}

^{-1}

]

Official answer

NTA final key.

Chapter: Thermodynamics (Chemistry)
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy