In a Certain Gas the Molecules Are 5

question 37

Multiple Choice

In a certain gas the molecules are 5.0 *10^-9 m apart on average, have a mean free path of 5.0 *10^-6 m, and have an average speed of 500 m/s.The rate at which a molecule has collision with other molecules is about:

• A)10 ^{- 11} s ^{- 1}
• B)10 ^{- 8} s ^{- 1}
• C)1 s ^{- 1}
• D)10⁸ s ^{- 1}
• E)10¹¹ s ^{- 1}

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Definitions:

Synapse

The point of contact between two neurons through which electrical or chemical signals are relayed from one neuron to the other.

Synaptic Space

The small gap at the junction between neurons, through which neurotransmitters are released to facilitate neuronal communication.

Axon Terminal

The endpoint of an axon, which facilitates the transmission of signals to other neurons or muscles via neurotransmitters.

Synapse

The junction between neurons where nerve impulses are transmitted from one neuron to another.