Question

A thermodynamic system performs work without taking heat from external source

a) Which process is involved in this case?

b)what is the source of energy for this work?

c)By what factor does the pressure of the system decreses if the volume is doubled?

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Answer 1

An adiabatic process is involved in this case where no heat is added to the system but, the system generates itself.

Explanation:

• The source of this energy is the chemical reaction that takes between two substances. This produces heat which can be converted into energy.

• If the pressure in this system is decreased i.e halved hence the volume becomes double.

• When the pressure of this system increases i.e double hence the volume becomes half.