A Sample of He Gas (2

question 47

Multiple Choice

A sample of He gas (2.0 mmol) effused through a pinhole in 53 s.The same amount of an unknown gas,under the same conditions,effused through the pinhole in 248 s.The molecular mass of the unknown gas is ________ g/mol.

• A)0.19
• B)5.5
• C)88
• D)19
• E)350

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Definitions:

Optic Nerve

The optic nerve is a crucial part of the eye and the visual system, responsible for transmitting visual information from the retina to the brain.

Bipolar Cells

Type of neuron in the retina that serves as an intermediate layer between photoreceptors and ganglion cells, playing a role in visual processing.

Ganglion Cells

Neurons located in the retina of the eye that receive visual information from photoreceptors and transmit it to the brain.

Optic Nerve

A brain nerve that carries visual data from the retina into the brain.