Across
- 3. a measure of the average kinetic energy of the particles in a sample of matter
- 4. the overall enthalpy change in a reaction equal to the sum of enthalpy changes for the individual steps in the process
- 7. states that in any chemical or physical process energy is neither created nor destroyed
- 10. the energy transferred between samples of matter because of a difference in temperature
Down
- 1. the system and its surroundings
- 2. everything in the universe outside the system
- 5. the part of the universe that is being studied and observed
- 6. the capacity for doing work or supplying heat
- 8. the potential energy change of a system during a chemical change or physical change
- 9. the study if energy involved in chemical reactions