Exam 7: Heat Transfer and Change of Phase

Explain why white clothing helps keep us cool, whereas black clothing helps to warm us. Which is the better reflector? Which is the better absorber?

A soda pop can with a small amount of water is on a hot stove. Soon steam comes from its opening. When the can is quickly inverted into a pan of water, the can is crushed by

The gush of steam that issues from the escape valve of a pressure cooker is relatively cool

Keep increasing the shaking of atoms in a solid and it will

When snow forms in clouds, the surrounding air is

We feel uncomfortably warm on a muggy day because water molecules are

Blow on your hand with your open mouth and you feel the warmth of your breath. Pucker your lips so your breath expands as you blow and your breath is

Suppose you want to save energy and you're going to leave your cool house for a half hour on a hot day. You should turn the temperature setting on the air conditioner

Which would burn the most?

On sunny days, why do hot-air balloons suddenly rise when they drift over a wide road or parking lot made of black asphalt?

Keep decreasing the shaking of atoms in a liquid and it will

When a gas changes phase to become a solid, energy is

Compared to a glass of ice water with ice, a glass of plain ice-cold water without ice on a warm day will warm up

When a solid is changed to a liquid phase, the solid

To change 50 g of boiling water to steam requires