Two moles of an ideal gas at 4 atm and 15°C are heated up to 170 °C.If the volume is held constant during this heating,what is the final pressure?
A) 6.2 atm
B) 2.6 atm
C) 16.9 atm
D) 7.7 atm
E) 45.3 atm

Question

Two moles of an ideal gas at 4 atm and 15°C are heated up to 170 °C.If the volume is held constant during this heating,what is the final pressure?
A) 6.2 atm
B) 2.6 atm
C) 16.9 atm
D) 7.7 atm
E) ​45.3 atm

Quizplus · Accepted Answer

Using the ideal gas law and the relation P1/T1 = P2/T2 (where T is in Kelvin), we convert temperatures to Kelvin (15°C = 288K and 170°C = 443K) and solve for P2: P2 = P1 * (T2/T1) = 4 atm * (443/288) = 6.2 atm.

Two Moles of an Ideal Gas at 4 Atm and 15°C