" (viii) What is an isolated system? "

What is isolated system ?

(i) Why is the enthalpy change for a chemical reaction more important than internal energy change? (ii) What is meant by isolated system?

Define isolated system.

Define an isolated system.

(a)What is meant by an isolated system? (b)Out of mass, speed and momentum, which quantity is same for bullet and the gun on firing?

What is meant by isolated system? Give example.

What is meant by an isolated system in thermodynamics?

What do you mean by isolated system ? Given an example also.