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Thermodynamics

Question

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Define entropy.

Solution

Entropy is a measure of randomness or disorder of the system. It can also be regarded as the measure of ‘unavailable energy’.
Entropy change,

increment straight S space equals space straight q subscript rev over straight T

Some More Questions From Thermodynamics Chapter

Define thermodynamics.

What do you understand by the terms: the system and surroundings?

Classify the following into different types of systems:
(i) Tea placed in a cup
(ii) Tea placed in a tea-pot
(iii) Tea placed in a thermosflask.

Define a closed system.

Define an isolated system.

Define intensive properties.

Define extensive properties.

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?

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