A student uses 0.0821 L• atm/mol • K as the value of the gas constant. What is most likely true about the variables in the ideal gas law?

Question

Esteban Mejia

Chemistry

2 April, 01:02

A student uses 0.0821 L• atm/mol • K as the value of the gas constant. What is most likely true about the variables in the ideal gas law?

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Answers (2)

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Erica · Answer 1

The ideal gas law is PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the molar gas constant and T is the absolute temperature. In order for any equation to be correct, its dimensions, or the units on both sides of the equation, must be correct. So if the moles are measured in mol, and the temperature in K, then the units of the molar gas constant tell us that the volume is being measured in liters and the pressure is being measured in atmospheres.

Santos Mckenzie · Answer 2

The answer has to be V has units of liters, and T has the units of kelvin