Question

a sample containing 1.50 mol neon gas has a volume of 8.00L.what is the new volume of the gas in liters when the following changes occur in the quantity of the gas at constant pressure and temperature?
a.a leak allows on-half of the neon atoms to escape.
b. a sample of 25.0g neon is added to the neon gas already in the container.
c a sample of 3.50 mol Ne is added to the neon gas already in the container.

Answer 1

Use PV = nRT

Answer 2

1.07 moles