ThermoChemistry

3. Used to measure energy changes in a chemical system
6. Everything around
8. A chemical equation where enthalpy change value is found using step equations
9. Absorbing thermal energy
10. Raise the temperature mass of a substance1°C or 1K
13. The energy change of the reaction of one mole of a substance at 100 kPa
18. Energy available as a result of its moving molecules
21. The study of energy transfer
23. Releasing thermal energy
25. Neither matter nor energy can move in or out

1. The study of energy involved in chemical reactions
2. Both matter and energy can move in or out
4. a change in the protons or neutrons in an atom
5. a graphical representation of the energy transferred during a physical or chemical change
7. a change in the chemical bonds between atoms
11. Quantity of energy associated with the formation of one mole in their standard states
12. A change in the form of a substance, in which no chemical bonds are broken
14. The energy change associated with the reaction of one mole of a substance
15. Reactants and products under study
16. The enthalpy change associated with a change involving one mole of a substance
17. Average kinetic energy of the particles in a sample of matter
19. Amount of energy transferred between substances
20. Difference in enthalpies of reactants and products during a change
22. Energy can move in or out, but not matter
24. The value of the Enthalpy Change equals the sum of the enthalpy change for each of the individual steps