A Vessel Contained N₂,Ar,He,and Ne

question 174

Multiple Choice

A vessel contained N₂,Ar,He,and Ne.The total pressure in the vessel was 987 torr.The partial pressures of nitrogen,argon,and helium were 44.0,486,and 218 torr,respectively.The partial pressure of neon in the vessel was ________ torr.

• A)42.4
• B)521
• C)19.4
• D)239
• E)760

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Definitions:

Bronchi

The main passageways directly attached to the lungs that allow the passage of air in and out of the lungs.

Alveoli

Tiny air sacs within the lungs where gas exchange between the air and blood occurs.

Dalton's Law

The principle that the total pressure exerted by a mixture of gases is equal to the sum of the pressures that each would exert if it were present alone.

Partial Pressures

The pressure that a single gas in a mixture of gases would exert if it alone occupied the entire volume of the mixture.