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Compressibility Factor

The temperatu...

Question

The temperature to which a gas must be cooled before it can be liquefied by compression is called as___.

A

Boyle's temperature

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B

Critical temperature

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C

Liquefaction temperature

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D

Inversion temperature

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Solution

The correct option is B
Critical temperature

Critical temperature is the highest temperature at which a gas starts to liquefy. The temperature to which a gas must be cooled before it can be liquefied by compression is called as critical temperature.

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Q. The temperature at which a gas must be cooled before it can be liquefied by compression is called:

Q. The temperature below which a gas must be cooled before it can be liquefied by compression is called as .

Q. The temperature to which a gas must be cooled before it can be liquefied by pressure alone is called its

The essential conditions for liquefaction of gases were discovered by Andrews in

1869

as a result of his study of pressure-volume-temperature relationship for

C O_{2}

. It was found that above a certain temperature, it was impossible to liquefy a gas whatever the pressure was applied. The temperature below which the gas can be liquefied by the application of pressure alone is called critical temperature

(T_{c})

. The pressure required to liquefy a gas at this temperature is called the critical pressure

(P_{c)}

. The volume occupied by one mole of the substance at the critical temperature and pressure is called critical volume. Critical constants are related with van der Waals' constant as follows:

V_{c} = 3 b, P_{c} = \frac{a}{27 b^{2}}, T_{c} = \frac{8 a}{27 R b}

.

Which of the following parameters is three times the van der Waals' constant

^{'} b^{'}

?

The essential conditions for liquefaction of gases were discovered by Andrews in

1869

as a result of his study of pressure-volume-temperature relationship for

C O_{2}

. It was found that above a certain temperature, it was impossible to liquefy a gas whatever the pressure was applied. The temperature below which the gas can be liquefied by the application of pressure alone is called critical temperature

(T_{c})

. The pressure required to liquefy a gas at this temperature is called the critical pressure

(P_{c)}

. The volume occupied by one mole of the substance at the critical temperature and pressure is called critical volume. Critical constants are related with van der Waals' constant as follows:

V_{c} = 3 b, P_{c} = \frac{a}{27 b^{2}}, T_{c} = \frac{8 a}{27 R b}

.

The relationship between

P_{C}, V_{C}

T_{C}

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