Question

2. The critical point of a substance is defined by _____ intensive and independent properties.

Answer 1

The critical point of a substance is defined by TWO(may be temperature and pressure ) independent and intensive properties .these two properties are used to fix the state .most of the times these two properties are pressure p and temperature t.

Intensive properties :these are the properties which are independent of mass. Example includes:pressure,temperature ,density, all specific properties

Critical point :a point at particular pressure and temperature ,above which a gas cannot liquefied.