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15 questions
What happens when my glass of water is sitting in the sun and disappears into a gas? (a)
Water can be a solid, liquid, and a gas. (a)
7. All phase changes (changing states) requires energy to be added or taken away. (a)
When water is heated from 10°C to 15°C What is the change in temperature? (a)
When a piece of aluminum foil is taken out of the oven and cools from 100°C to 50°C. What is the change in temperature? (a)
When a baked potato at 10 °C is heated to 180 °C in the oven its temperature change is (a)
The amount of heat needed to change 1 gram of a substance from the liquid phase to the gas phase is (a)
Temperature when a substance changes from a liquid to a gas (a)
In an endothermic reaction, heat is ,,, (a)
Exothermic reactions (a)
Label the states of matter
Label the Phase Changes
Standard atmospheric pressure is
1 atm
760 torr
101.3 kPa
55.5 p
This is the standard unit for measuring energy. (a)
Energy cannot be created or destroyed. It can only be changed from one form to another. This is known as the law of conservation of (a) :
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