A gas contained in a 1 ml container at a temperature of 300 K has a pressure of 1.5 atm. If the temperature decreases to 270 K, what is the resulting pressure?
A) 121,500 atm
B) 1.7 atm
C) 450.0 atm
D) 1.4 atm

Question

Quizplus · Accepted Answer

The pressure of a gas is directly proportional to its temperature when volume and the amount of gas are constant (Gay-Lussac's Law). Using the formula P1/T1 = P2/T2, where P1 = 1.5 atm, T1 = 300 K, and T2 = 270 K, we can solve for P2. Rearranging the formula gives P2 = P1 * (T2/T1) = 1.5 * (270/300) = 1.35 atm, which rounds to 1.4 atm, making option D the correct answer.

A Gas Contained in a 1 Ml Container at a Temperature