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    A balloon containing an ideal gas is initially kept in an evacuated and insulated room. The balloon ruptures and the gas fills up the entire room. Whic
    Question

    A balloon containing an ideal gas is initially kept in an evacuated and insulated room. The balloon ruptures and the gas fills up the entire room. Which one of the following statements is true at the end of above process?

    A.

    The internal energy of the gas decreases from its initial value, but the enthalpy remains constant

    B.

    Both internal energy and enthalpy of the gas increase

    C.

    The internal energy of the gas increases from its initial value, but the enthalpy remains constant

    D.

    Both internal energy and enthalpy of the gas remains constant

    Correct option is D

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