Question

The gas law for an ideal gas at absolute temperature t (in kelvins), pressure p (in atmospheres), and volume v (in liters) is pv = nrt, where n is the number of moles of the gas and r = 0.0821 is the gas constant.

Answer 1

absolutely correct
$pv = nrt$
where p is pressure
v is volume
n is no of moles
r is universal gas constant
t is temperature
r
$r = 0.00821amt \\ r = 8.314joules \\ r = 0.008314lite \\ r = 2calorie$

Answer 2

The ideal gas law can be written in terms of the number of molecules of gas: PV = NkT, where P is pressure, V is volume, T is temperature, N is number of molecules, and k is the Boltzmann constant k = 1.38 × 10–23 J/K. A mole is the number of atoms in a 12-g sample of carbon-12.