NEET2024Chemistry-Isothermal Process
NEET 2024 Chemistry Work Done in Thermodynamic Processes MCQ Question
Type: MCQ-numerical-Medium-Class 11
The work done during reversible isothermal expansion of one mole of hydrogen gas at 25°C from pressure of 20 atmosphere to 10 atmosphere is: (Given R = 2.0 cal K⁻¹ mol⁻¹)
A
413.14 calories
B
100 calories
C
0 calorie
D
-413.14 calories
Correct Answer
Option D
Detailed Explanation
The work done in an isothermal process is calculated using W = -nRT ln(Vf/Vi). Substituting the given values gives 413.14 calories.
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