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

---

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?

---

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

---

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?