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In a gas experiment, if the volume of the gas is plotted against the reciprocal of the ...

In a gas experiment, if the volume of the gas is plotted against the reciprocal of the pressure, the unit of the slope of the resulting curve is
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Force
  • B Temperature
  • C Power
  • D Work
Correct Answer: Option D
Explanation:

IF the volume of gas is plotted against the reciprocal of pressure, the slope will be given as

Slope = V/1/P = P x V

thus the unit of the slope will be;

P = Force Area

= Nm-2, = V = M3 = NM.

The unit NM (Newton - Meter) is the practical unit of work, which is the product of force (N) and Displacement (M).

Note: It should be noted that the practical unit of work is Newton-Meter, whereas its S.I unit is Joules, just as energy.

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