173k views
5 votes
if i have 21 moles of gas held at a pressure of 78 atm and a temperature of 900k, what is the volume of the gas?

User ItMaxence
by
7.6k points

1 Answer

4 votes

19.9 L

Step-by-step explanation:

Given:

n = 21 mole, P = 78 atm , T = 900k ,

V = ? , R = 0.0821

Solution:

Ideal gas equation, PV = nRT

V = nRT / P

= 21 × 0.0821 × 900/ 78

= 19.89 L

User Groverboy
by
7.5k points