If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be ______________ c.c?
Correct answer: B
Explanation
This problem uses Boyle's Law (P1V1 = P2V2). If pressure is halved (P2 = 0.5 * P1), the volume must double (V2 = 2 * V1). So, 100 c.c. becomes 200 c.c.