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Thermodynamics

Question

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Identify the correct statement regarding a spontaneous process –

For a spontaneous process in an isolated system, the change in entropy is positive

Endothermic processes are never spontaneous

Exothermic processes are always spontaneous

Lowering of energy in the reaction process is the only criterion for spontaneity

Solution

A.

For a spontaneous process in an isolated system, the change in entropy is positive

Some More Questions From Thermodynamics Chapter

Why all living systems need to be 'open systems'?

Define state variables of a system.

From thermodynamic point of view, to which system the animals and plants belong?

What is a state function?

A thermodynamic state function is a quantity

What is reversible process in thermodynamics?

Define irreversible change.

Name the variable that is kept constant in isochoric process and isobaric process.

Give one difference between an isothermal and an adiabatic process.

For the process to occur under adiabatic conditions, the correct condition is

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