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A gas is contained in a vessel fitted wi...

A gas is contained in a vessel fitted with a movable piston. The container is placed on a stove. A total of 100 cal of heat is given to the gas and the gas does 40 J of work in the expansion resulting from heating. Calculate the increase in internal energy in the process.

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To solve the problem, we will use the first law of thermodynamics, which states: \[ Q = W + \Delta U \] Where: - \( Q \) is the heat added to the system, ...
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Knowledge Check

  • Assertion : In an isothemal expansion the gas absorbs heat and does work . Reason: In an isothermal process there is no change in internal energy of an ideal gas.

    A
    Both assertion and reason are true and reason is the correct explanation of assertion
    B
    Both assertion and reason are true but reason is not the correct explanation of assertion
    C
    Assertion is true but reason is false
    D
    Both assertion and reason are false.

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