At constant pressure, the density of a fixed mass of gas is
PHYSICS
JAMB 1991
At constant pressure, the density of a fixed mass of gas is
- A. constant with temperature
- B. proportional to its volume
- C. inversely proportional to its temperature
- D. independent of its volume
Correct Answer: C. inversely proportional to its temperature
Explanation
Density = mass/ volume
At constant pressure, volume is directly proportional to Temperature
Density is inversely proportional to the volume at constant mass
At constant pressure, volume = constant x temperature
hence, density = mass/ (constant x temperature)
which shows density is inversely proportional to temperature
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