Case A involves the heating of a room filled with a diatomic gas. Case B involves the heating of a room filled with the same number of moles of gas, but now it is a monatomic gas. In both cases the room is heated by 12 degrees C. Which case requires more energy to heat?

A. A
B. B
C. they are the same


Q18.3 On a chilly morning you can "see your breath". What are you actually seeing?


Q18.4 When a car is driven some distance, the air pressure in the tires increases. Why?
Should you let out some air to reduce the pressure?


Q18.32 In addition to the normal cooking directions printed on the back of a box of rice, there are also "high-altitude directions", which suggest increasing the cooking time and using a greater volume of water. Why?