Oxygen Molecules Are 16 Times More Massive Than Hydrogen Molecules

question 65

Multiple Choice

Oxygen molecules are 16 times more massive than hydrogen molecules.At a given temperature,how do their average molecular speeds compare? The oxygen molecules are moving

• A)four times faster than the hydrogen molecules.
• B)at 1/4 the speed of the hydrogen molecules.
• C)sixteen times faster than the hydrogen molecules.
• D)at 1/16 the speed of the hydrogen molecules.
• E)at 1/ the speed of the hydrogen molecules.

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Definitions:

Terminal Ganglia

Nerve endings located near or within the organs they innervate, part of the autonomous nervous system.

Preganglionic Neurons

Neurons of the autonomic nervous system that originate in the central nervous system and travel to autonomic ganglia where they synapse with postganglionic neurons.

Autonomic Ganglion

A cluster of nerve cell bodies in the autonomic nervous system that regulates involuntary functions such as heart rate and digestion.

Somatic Motor System

Part of the peripheral nervous system that transmits signals from the central nervous system to skeletal muscles, facilitating voluntary muscle movements.