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  • Critical temperatures of ammonia and carbon dioxide are 405.5 K and 304.10 K, respectively. Which of these gases will liquify first when you start cooling from 500 K to their critical temperat

Critical temperatures of ammonia and carbon dioxide are 405.5 K and 304.10 K, respectively. Which of these gases will liquify first when you start cooling from 500 K to their critical temperature?

Option: 1

Ammonia


Option: 2

Carbon dioxide


Option: 3

Both will liquify at same time


Option: 4

Nothing can be predicted


Answers (1)

best_answer

Since the critical temperature of ammonia is more than carbon dioxide, thus ammonia will liquify first as its critical temperature will be reached first. The liquefaction of carbon dioxide will require cooling to a lesser temperature.
Therefore, Option(1) is correct

Posted by

Sanket Gandhi

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