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