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At which of the following conditions can...

At which of the following conditions can a gas be liquified? `T_(c)` and `P_(c)` are critical temperature and pressure.

A

`T=T_(c)` and `P lt P_(c)`

B

`T lt T_(c)` and `P=P_(c)`

C

`T gt T_(c)` and `P lt P_(c)`

D

`T lt T_(c)` and `P lt P_(c)`

Text Solution

AI Generated Solution

To determine the conditions under which a gas can be liquefied, we need to consider the concepts of critical temperature (Tc) and critical pressure (Pc). Here’s a step-by-step solution: ### Step 1: Understand Critical Temperature and Pressure - **Critical Temperature (Tc)**: This is the temperature above which a gas cannot be liquefied, regardless of the pressure applied. If the temperature of the gas is above Tc, it will remain in the gaseous state. - **Critical Pressure (Pc)**: This is the pressure required to liquefy a gas at its critical temperature. Above this pressure, the distinct phases of liquid and gas do not exist. ### Step 2: Conditions for Liquefaction For a gas to be liquefied, the following conditions must be satisfied: ...
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