Verified Solution • 2025–26 Session moderate

QJEEM21Che89e: JEE Main 2021 Chemistry - Class 11 JEEM21Che89e Solution: A system does 200 J of work and at the same time absorbs 150 J…

A system does 200 J of work and at the same time absorbs 150 J of heat. The magnitude of the change in internal energy is ____________ J. (Nearest integer)

Step-by-Step Verified Solution

w = −200 J, q = +150 : ΔU = q + w

ΔU = 150 − 200 = −50 J

Magnitude = 50 J = |ΔU |

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