Thermochemistry

5. a reaction that releases heat into its surroundings and feel warm
6. a measure of the degree of randomness of the particles, such as molecules, in a system
7. the SI unit of heat as well as all other forms of energy
8. energy that comes from heat and the vibration of atoms and molecules
10. the amount of energy required to raise the temperature of one gram of a substance by one kelvin
11. an equation that includes the quantity of energy released or absorbed as heat during the reaction as written
12. a measure of the average kinetic energy of the particles in a sample of matter

1. measures the energy absorbed or released as heat in a chemical or physical change
2. Stored energy, energy waiting to be used
3. heat transfer by currents in the air or water
4. the enthalpy change that occurs when one mole of a compound is formed from its elements in their standard state at 25 °C and 1 atm.
5. a reaction that takes in energy from its surroundings and feels cold
7. Enter your initials and class period after the j (Suzi Smith in 5th period would be jSS5
9. the amount of energy absorbed by a system as heat during a process at constant pressure