MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryThermodynamics and ThermochemistryInternal Energy
A system absorb 10 kJ of heat at constant volume and its temperature rises from 27°C to 37°C. The value of ∆U is
A.100 kJ
B.10 kJ✓ Correct
C.0
D.1 kJ
Explanation
According to the first law of thermodynamics, U q w At constant volume, w 0 U q Given, q = 10 kJ So, U 10 kJ
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