A Sample of Oxygen Gas (O₂)was Found to Effuse at a Rate

question 172

Multiple Choice

A sample of oxygen gas (O₂) was found to effuse at a rate equal to three times that of an unknown gas.The molecular weight of the unknown gas is ________ g/mol.

• A)288
• B)96
• C)55
• D)4
• E)10.7

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Definitions:

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats, and proteins into carbon dioxide.

Glucose

serves as a primary source of energy in most organisms, critical for cellular respiration and metabolic processes.

Turn

In a molecular context, a turn refers to a type of secondary structure in proteins where the chain makes a sharp change in direction.

Glycolysis

The metabolic pathway that converts glucose into pyruvate, producing ATP and NADH in the process, functioning in the cytoplasm of the cell.