Chemistry · 2021
JEE Main · 25 July 2021, Shift 2 · Q54
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)
A system does $\displaystyle 200$ J of work and at the same time absorbs $\displaystyle 150$ J of heat. The magnitude of the change in internal energy is \_\_\_\_J. (Nearest integer)
Official answer
50
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.