Which law relates P, V, and T for a fixed amount of gas by PV = nRT?

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Multiple Choice

Which law relates P, V, and T for a fixed amount of gas by PV = nRT?

Explanation:
PV = nRT is the equation of the Ideal Gas Law, which describes how pressure, volume, and temperature relate for a given amount of gas. It shows that the product PV is proportional to the temperature times the amount of substance, with the constant R linking the units. This general law also explains special cases: at constant n and T, PV stays constant (Boyle’s Law); at constant P, V varies linearly with T (Charles’ Law). Graham’s Law talks about diffusion rates and molar masses, not P, V, and T. Since the question uses PV = nRT, the Ideal Gas Law is the correct relation.

PV = nRT is the equation of the Ideal Gas Law, which describes how pressure, volume, and temperature relate for a given amount of gas. It shows that the product PV is proportional to the temperature times the amount of substance, with the constant R linking the units. This general law also explains special cases: at constant n and T, PV stays constant (Boyle’s Law); at constant P, V varies linearly with T (Charles’ Law). Graham’s Law talks about diffusion rates and molar masses, not P, V, and T. Since the question uses PV = nRT, the Ideal Gas Law is the correct relation.

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