GOB Chemistry

Learn the toughest concepts covered in your GOB - General, Organic, and Biological Chemistry class with step-by-step video tutorials and practice problems.

Gases, Liquids and Solids

Dalton's Law: Partial Pressure (Simplified)

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Partial Pressure (PGas) is the pressure exerted by an individual gas within a container.

Partial Pressure of Gases

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Dalton's Law: Partial Pressure (Simplified) Concept 1

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In a container of unreacting gases, total pressure of the container is the sum of the partial pressures of each gas.

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Dalton's Law: Partial Pressure (Simplified) Example 1

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Dalton's Law: Partial Pressure (Simplified) Concept 2

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Dalton's Law: Partial Pressure (Simplified) Example 2

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Dalton's Law: Partial Pressure (Simplified) Concept 3

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Dalton's Law: Partial Pressure (Simplified) Example 3

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Problem

A gas mixture contains 72.8% chlorine and 27.2% neon by mass. What is the partial pressure of neon in the mixture if the total pressure is recorded as 809 mmHg?


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Problem

The partial pressure of N2 in the air is 593 mmHg at 1 atm. What is the partial pressure of N2 in a bubble of air a scuba diver breathes when he is 66 ft below the surface of the water where the pressure is 3.00 atm?