Question

A vessel containing 5 litres of a gas at 0.8 m pressure is connected to an evacuated vessel of volume 3 litres. The resultant pressure inside will be (assuming whole system to be isolated)

• A. 4/3 m
• B. 0.5 m
• C. 2.0 m
• D. 3/4 m

Answer 1

Answer: (B)

0.5 m

Answer 2

$0.8 \times 5 = P \times (3 + 5) \Rightarrow P = 0.5\mspace{6mu} m$