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  • Answer please! For a real gas the P-V curve was experimentally plotted and it had the following appearance. With respect to liquifaction. Choose the correct statement.

 For a real gas the P-V curve was experimentally plotted and it had the following appearance. With respect to liquifaction. Choose the correct statement. 

  • Option 1)

     at T = 500 K, P = 40 atm, the state will be liquid.

  • Option 2)

     at T = 300 K, P = 50 atm, the state will be gas 

  • Option 3)

     at T < 300 K, P > 20 atm, the state will be gas

  • Option 4)

     at 300 K < T < 500 K, P > 50 atm, the state will be liquid.

 

Answers (1)

best_answer

(a) at T = 500 K, P = 40 atm corresponds to 'a' substance - gas 

(b) at T = 300 K, P = 50 atm corresponds to 'b' substance - liquid 

(c) at T < 300 K, P > 20 atm corresponds to 'c' substance - liquid 

(d) at T < 500 K, P > 50 atm corresponds to 'd' substance - liquid 

 

 

Liquefaction of gases -

converting real gas into liquid state at high pressure and low temperature

-

 

 


Option 1)

 at T = 500 K, P = 40 atm, the state will be liquid.

This is incorrect.

Option 2)

 at T = 300 K, P = 50 atm, the state will be gas 

This is incorrect.

Option 3)

 at T < 300 K, P > 20 atm, the state will be gas

This is incorrect.

Option 4)

 at 300 K < T < 500 K, P > 50 atm, the state will be liquid.

This is correct.

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