Two rigid cylinders are filled with ideal monatomic gases
PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
Two rigid cylinders are filled with ideal monatomic gases.
• Cylinder A contains 1.0mol at 400K.
• Cylinder B contains 2.0mol at 250K.
Which cylinder has the greater internal energy, and what is the principal reason?
(a) Cylinder A, because internal energy depends only on temperature.
(b) Cylinder B, because having more moles offsets its lower temperature.
(c) Cylinder A, because its molecules have greater average kinetic energy.
(d) Cylinder B, because internal energy is inversely proportional to temperature.