What is the final volume of nitrogen gas if the pressure of 5.8 L of the gas is decreased to one-half of its original pressure,and its absolute temperature is increased to double the original temperature?
A) 2.9 L
B) 5.8 L
C) 12 L
D) 23 L
E) 1.5 L

Question

Quizplus · Accepted Answer

According to the combined gas law, (P1 * V1) / T1 = (P2 * V2) / T2. If the pressure is halved (P2 = P1/2) and the temperature is doubled (T2 = 2T1), the final volume V2 = (P1 * V1 * 2T1) / (P1/2 * T1) = 4 * V1 = 4 * 5.8 L = 23.2 L, which rounds to 23 L.

What Is the Final Volume of Nitrogen Gas If the Pressure