Intro to Thermochemistry

What is the capacity to do work called?

• Energy

• Power

• Force

• Mass

What is thermochemistry the study of?

• Mechanical energy

• Energy transformations

• Heat changes in chemical reactions

• Chemical reactions

What happens to energy during a chemical reaction according to the Law of Conservation of Energy?

• It is transformed from one form to another

• It is destroyed

• It is created

• It remains constant

Which of the following is a type of potential energy?

• Thermal energy

• Kinetic energy

• Chemical energy

• Mechanical energy

What type of energy is associated with motion?

• Potential energy

• Kinetic energy

• Chemical energy

• Thermal energy

What is the energy stored within the structural units of a chemical substance called?

• Thermal energy

• Chemical energy

• Kinetic energy

• Mechanical energy

Which of the following is an example of chemical energy?

• A hot cup of coffee

• A falling object

• A battery

• A moving car

What is the unit of kinetic energy?

• Watts (W)

• Joules (J)

• Calories (cal)

• Newtons (N)

What type of energy is produced by a nuclear power plant?

• Thermal energy

• Chemical energy

• Mechanical energy

• Nuclear energy

What is the transfer of thermal energy between bodies of different temperatures called?

• Heat

• Conduction

• Radiation

• Convection