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Thermodynamics

Question

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Differentiate between change of state and phase change.

Solution

A change of state of a system means when any one or more of variables such as temperature, pressure, volume and composition undergo a change.
Phase change of a substance means when the substance changes from solid to liquid or liquid to vapour or solid to vapour etc.

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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