A sample of gas occupies 15.0 liters at 4.00 atmospheres and 300 K. What is the new volume of the gas if pressure is decreased to 2.00 atmosphere and temperature is increased to 400 K?

Question

Pleeease, I really need help. Show all work. Indicate the correct answer with an appropriate unit

Answer 1

Use the relation

P₁V₁ / T₁ = P₂V₂ / T₂ ⇒

V₂ = (P₁V₁ / T₁) (T₂ / P₂)

Plug in the numbers:

P₁ = 4.00 atm

V₁ = 15.0 L

T₁ = 300 K

P₂ = 2.00 atm

T₂ = 400 K

and get V₂ in units of L.