An Ideal Gas Has a Pressure of 2 $^{\circ}$ CHow Many Molecules Are There in the Gas?
A) 6

question 16

Multiple Choice

An ideal gas has a pressure of 2.5 atm,a volume of 1.0 L at a temperature of 30 $^{\circ}$ C.How many molecules are there in the gas?

• A) 6.1 \(\times\) 10²³
• B) 6.0 \(\times\) 10²³
• C) 2.4 \(\times\) 10²³
• D) 2.3 \(\times\) 10²³

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Definitions:

Smooth Muscle Contraction

The involuntary process by which smooth muscles found in the walls of internal organs contract and relax, controlled by the autonomic nervous system.

Myosin Phosphatase

An enzyme that plays a critical role in muscle relaxation by dephosphorylating myosin light chains.

Hyperpolarization

An increase in the membrane potential of a cell, making it more negative and less likely to fire an action potential.

Resting Membrane Potential

The electrical charge difference across the plasma membrane when a neuron or muscle cell is at rest.