A flask of nitrogen is collected over water at a total pressure 740.0 mmHg. If the partial pressure of the water vapor is 20.0 mmHg, what is the pressure exerted by the nitrogen

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11-07-2022
Chemistry

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A flask of nitrogen is collected over water at a total pressure 740.0 mmHg. If the partial pressure of the water vapor is 20.0 mmHg, what is the pressure exerted by the nitrogen

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pragyavermav1 pragyavermav1 · Answer 1 · 2022-07-19T21:22:35+02:00

The pressure exerted by the nitrogen is 718 mmHg.

The oxygen, which is collected over water, will be mixed with water vapor.

This means that the total pressure of the mixture will have two components

the partial pressure of oxygen
and the vapor pressure of water at 20.0∘C

The vapor pressure of water at that temperature is approximately 17mmHg.

P total = P oxygen + P water

P oxygen = 735 mmHg − 17mmHg

P oxygen = 718 mmHg

Vapor pressure or equilibrium vapor pressure is described as the strain exerted by way of a vapor in thermodynamic equilibrium with its condensed levels at a given temperature in a closed gadget. The equilibrium vapor stress is an indication of a liquid's evaporation price.

Learn more about Vapor pressure here: https://brainly.com/question/4463307

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