← Back to Physics
Thermodynamics quiz
Five questions on Thermodynamics. Answer all 5 to see your score.
Question 1 of 5
How much heat raises 2.0 kg of water from 20 C to 30 C? (c = 4186 J/(kg K))
Question 2 of 5
A tank holds gas at 2.0e5 Pa and 400 K in a volume of 0.50 m^3. How many moles of gas are inside?
Question 3 of 5
A gas releases 300 J of heat to its surroundings while doing 100 J of work expanding. What is the change in its internal energy?
Question 4 of 5
An engine absorbs 800 J of heat per cycle and exhausts 600 J. What is its efficiency?
Question 5 of 5
If the absolute temperature of an ideal gas quadruples, by what factor does the rms molecular speed change?