Thermodynamics System in Hindi

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    Thermodynamics System in Hindi. We covered all the Thermodynamics System in Hindi in this post for free so that you can practice well for the exam.

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    Thermodynamics System Objective in Hindi for Students

    The standard enthalpy values of elements in their most stable (standard) states are taken as

    a) Unity

    b) Zero

    c) Less than zero

    d) Different for each element

    Option b - Zero

    The enthalpy change of a reaction is independent of

    a) Physical states of reactants and products

    b) Chemical nature of reactants and products

    c) The path or intermediate steps of the reaction

    d) The initial and final enthalpy values

    Option c - The path or intermediate steps of the reaction

    The standard enthalpy of combustion for a substance is always

    a) Greater than zero

    b) Greater than or equal to zero

    c) Less than or equal to zero

    d) Less than zero

    Option d - Less than zero

    A gas occupies 3 L at STP. When supplied with 300 J of Heat, its volume increases to 3.5 L at a pressure of 2 atm. What is the change in internal energy of the gas?

    a) 249.35 J

    b) −350.65 J

    c) 46.75 J

    d) 198.7 J

    Option d - 198.7 J

    A system that is capable of exchanging energy but not Matter with its surroundings is called

    a) An open system

    b) A closed system

    c) A heterogeneous system

    d) An isolated system

    Option a - An open system

    The enthalpy change associated with vaporization of a liquid is

    a) Negative

    b) Positive

    c) Either negative or positive

    d) Zero

    Option b - Positive

    Which of the following statements is correct for an adiabatic process?

    a) Heat absorbed from the surroundings is entirely used to do work

    b) Temperature falls during compression

    c) work is done at the expense of internal energy

    d) Internal energy increases during expansion

    Option d - Internal energy increases during expansion

    We covered all the Thermodynamics system in Hindi above in this post for free so that you can practice well for the exam.

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