Question

According to Andrews isothermals at what temperature the carbon dioxide gas starts to condense at 73 atmosphere?

Options

• 13.1°C

• 21.5°C

• 30.98°C

• 48.1°C

Answer 1

30.98°C

Explanation:

For CO₂, critical pressure (P_c) = 73 atm

critical temperature (T_c) = 30.98 °C.