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State the first law of thermodynamics....

State the first law of thermodynamics.

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The first law of thermodynamics, also known as the law of conservation of energy . States that "The total energy of an isolated system remains constant though it may change from to another."
The mathematical statement of the First Law is :
`DeltaU=q+w`
where q - the amount of heat supplied to the system w - work done on the system
w - work done on the system
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Knowledge Check

  • Which is irrelevant to the first law of thermodynamics?

    A
    (A) Energy can be transmitted from one system to to Other in many forms.
    B
    (B) Energy transformation results in reduction of free energy.
    C
    (C) Energy can neither be created nor be destroyed.
    D
    (D) Energy in the universe is constant.

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