The Ratio of the Rate of Effusion of Oxygen to an Unknown

question 35

Multiple Choice

The ratio of the rate of effusion of oxygen to an unknown gas is 0.935. What is the other gas?

• A) Ne
• B) Ar
• C) F₂
• D) N₂

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Definitions:

Sarcoplasmic Reticulum

A type of endoplasmic reticulum found in muscle cells, where it stores and releases calcium ions to trigger muscle contraction.

Acetylcholine

A neurotransmitter involved in many functions including muscle contraction, heart rate regulation, and the modulation of neuroplasticity in the brain.

Muscle Twitch

The brief contraction of a muscle fiber in response to a single stimulus.

T Tubule

A T tubule is a deep invagination of the sarcolemma of a muscle cell that allows for the rapid transmission of action potentials.