KVV E-Modules

In thermodynamics a part of the universe which is under thermodynamic study is called as………………

C: In …………… system, there is no exchange of matter, but exchange of energy is possible between system and the surroundings. B: Those properties which are independent on the quantity or size of matter present are known as ………….. properties. B: A spontaneous process is an ……………… process. D: The second law of thermodynamics states that…………. C: The law of thermodynamics states that "the total entropy of a system and its surroundings increases in a spontaneous process". A: A non-spontaneous process is an ……………… process. B: ΔH is …………… for exothermic reactions which evolve heat during the reaction. C: The disorder or randomness of a system is measured by ………….. D: The ………… law of thermodynamics states that the entropy of a perfectly ordered crystalline substance is zero at absolute zero …

In thermodynamics a part of the universe which is under thermodynamic study is called as………………

A: Universe B: system C: Surroundings D: boundary

In …………… system, there is no exchange of matter, but exchange of energy is possible between system and the surroundings.

A: an open B: an isolated C: a closed D: an adiabatic

Those properties which are independent on the quantity or size of matter present are known as ………….. properties.

A: molar B: intensive C: adiabatic D: extensive

A spontaneous process is an ……………… process.

A: A spontaneous process is an ……………… process. B: irreversible C: stable D: equilibrium

The second law of thermodynamics states that………….

A: "Energy of the universe remains constant" B: "The total internal energy of an isolated system is constant" C: "Energy is neither created nor destroyed and can only be converted from one form to another" D: "The total entropy of a system and its surroundings increases in a spontaneous process"

The law of thermodynamics states that "the total entropy of a system and its surroundings increases in a spontaneous process".

A: zeroth B: first C: second D: third

The ………… law of thermodynamics states that the entropy of a perfectly ordered crystalline substance is zero at absolute zero …

A: zeroth B: first C: second D: third

A non-spontaneous process is an ……………… process.

A: reversible B: irreversible C: stable D: equilibrium

ΔH is …………… for exothermic reactions which evolve heat during the reaction.

A: positive B: negative C: zero D: infinite

The disorder or randomness of a system is measured by …………..

A: enthalpy B: heat C: entropy D: vlume