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The first law of thermodynamics is conce...

The first law of thermodynamics is concerned with the conservation of

A

Total energy of a system

B

Energy changes in a system

C

Rate of a chemical change

D

Mass changes in nuclear reactions

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • The first law of thermodynamics is concerned with conservation of

    A
    number of molecules
    B
    number of moles
    C
    energy
    D
    temperature

  • The first law of thermodynamics is based on the law of conservation of

    A
    energy
    B
    mass
    C
    momentum
    D
    pressure

  • The first law of thermodynamics is expressed as :

    A
    `q + W = Delta E`
    B
    `Delta E = W - q`
    C
    `Q = Delta E - W`
    D
    `Q = q + Delta E`

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