Chem

2. The substances that are formed as a result of a chemical reaction.
5. The transfer of heat energy through electromagnetic waves, such as light or infrared radiation.
7. The energy an object possesses due to its motion.
11. The transfer of heat energy through a material or between materials that are in direct contact with each other.
13. The study of the relationship between chemical reactions and heat energy.
15. The SI unit of energy, equal to the work done when a force of one newton is applied over a distance of one meter.
18. The starting materials in a chemical reaction that undergo a change to form products.
19. The amount of heat energy required to raise the temperature of a unit mass of a substance by one degree Celsius or one Kelvin.

1. The amount of heat energy required to convert a substance from a liquid to a gas at constant temperature and pressure.
3. The transfer of heat energy by the movement of a fluid, such as air or water, from one place to another.
4. The amount of heat energy required to raise the temperature of one gram of water by one degree Celsius.
6. The SI unit of temperature, equal to the Celsius temperature plus 273.15 degrees.
8. A chemical reaction or process that releases heat energy into its surroundings.
9. A chemical reaction or process that absorbs heat energy from its surroundings.
10. The part of the total energy of a system that is related to its temperature and represents the sum of the kinetic energy and potential energy of its particles.
12. The unit of temperature based on the freezing and boiling points of water.
14. The measurement of heat energy transferred during a chemical or physical change.
16. The energy transferred between objects that are at different temperatures.
17. The amount of heat energy required to convert a substance from a solid to a liquid at constant temperature and pressure.