A Sample of N₂ Gas Is Contaminated with a Gas

question 39

Multiple Choice

A sample of N₂ gas is contaminated with a gas (gas A) of unknown molar mass. The partial pressure of each gas is known to be 200. torr at 25°C. The gases are allowed to effuse through a pinhole, and it is found that gas A escapes at 2.65 times the rate of N₂. The molar mass of gas A is

• A) 3.99 g/mol.
• B) 197 g/mol.
• C) 74.2 g/mol.
• D) 10.6 g/mol.
• E) none of these

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Definitions:

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A term referring to the period during surgery, concerning events or actions occurring while a surgical procedure is being performed.

OR Suite

A suite of operation rooms in a hospital or medical facility where surgical procedures are performed.

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The surgical procedure aimed at restoring the function and integrity of blood vessels.

Postoperative

The period after surgery, focusing on recovery and monitoring for any complications arising from the procedure.