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Caclulate DeltaU, internal enegry change...

Caclulate `DeltaU`, internal enegry change of a system, if it absorbs `25 kJ` of heat and does `5kJ` of work.

Text Solution

Verified by Experts

`DeltaU =q +w = 25 - 15 = 10 kJ`
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Knowledge Check

  • The internal energy change in a system that has absorbed 2 kcal of heat and done 500J of work is

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  • A system absorbs 10 kJ of heat and does 4 kJ of work the internal energy

    A
    decreases
    B
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    C
    same
    D
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