If a given mass of a gas is maintained at a constant temperature, what will decreasing its pressure do?
a. Decrease its volume.
b. Increase its mass.
c. Increase its volume.
d. Decrease its mass.
ANS: C
If a gas-filled container could be enlarged, the gas would expand to occupy the new volume. Figure 6-19 illustrates the concepts of gas compression and expansion.
Health Professions
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How much potassium chloride is contained in 480 mL of KCL 20% (w/v) solution?
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A segment of the body associated with a specific nerve coming from the spinal cord, along which shingles can appear, is called a:
A) motor unit. B) myelin sheath. C) dermatome. D) zoster.
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