When using the ideal gas constant value, r = 0.0821, in an ideal gas law calculation, the units of pressure may be expressed in units of atmospheres or kilopascals.

true

false

The answer to your question is: pressure is expressed in atmosphers.

Explanation:

Data

R = 0.0821

Ideal gas constant

R = 0.08205 atm l / mol °K

1. they vary with a higher number because boiling is way hotter than melting