Question

Define critical temperature?​

Answer 1

Answer:

The critical pressure of a substance is the pressure that must be applied in order to liquefy that substance at its critical temperature. For example, 217.7 atmospheres of pressure must be applied to water in order to liquefy it at its critical temperature (which is 647.09 Kelvin).

Answer 2

Answer:

the temperature of a gas in its critical state, above which it cannot be liquefied by pressure alone. I'm