8. Thermochemistry

When molecules are heated, which of the following best describes what happens to them?

In which of the following examples does chemical energy change to electrical energy?

When heat is added to water, what happens to the water molecules?

Which of the following best explains what causes the release of energy from a chemical bond?

Which statement best explains the relationship between evaporation and temperature?

What type of energy is stored in chemicals?

As molecules are heated, which of the following best describes what happens to them?

Which term is used to describe energy that is stored due to an object's position or chemical composition?

Which of the following items is NOT a common unit of energy?

What is the ultimate source of energy for all life on Earth?

Which statement best explains why water has a high heat of vaporization?

Which term describes the minimum amount of energy required to initiate a chemical reaction?

Which of the following occurs as soon as a heating thermostat is closed?

Which of the following types of energy can be transferred between objects?

Select the statement that correctly explains the source of the energy change in a chemical reaction.