Question

What is the volume of 2 moles of an ideal gas at 25◦C and 780 mm Hg?

Answer 1

Answer:

V = 29.7 L

Explanation:

We can use the Ideal Gas Law to calculate the volume:

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

∣

∣

a

a

p

V

=

n

R

T

a

a

∣

∣

−−−−−−−−−−−−−−−

We can rearrange the Ideal Gas Law to get

V

=

n

R

T

p

In this problem,

n

=

1 mol

R

=

(

25.0

+

273.15

)

K

=

298.15

K

.