Across
- 4. Process that leads to the chemical transformation when two things are combined
- 5. A group of atoms bonded together.
- 8. Forceful contact of two or more things coming into contact with one another
- 9. Occurring at the beginning or first
- 10. Measurement of energy in thermodynamic system
- 13. Reaction or process accompanied by or requiring the release of heat
- 15. Amount of matter something has
- 17. Amount of space that an object or substance occupies
- 18. Increase in the rate of a chemical reaction due to an added substance
- 19. Substance that is in a gaseous or vaporous state of matter
- 20. Intensity of heat in an object or substance
Down
- 1. An object in the form of energy that is possesses due to its motion
- 2. Group of two or more atoms held together
- 3. An attraction between atoms
- 6. There is no net change in the concentrations of reactants and products
- 7. Reaction or process accompanied by or requiring the absorption of heat
- 11. Unit of pressure can be used with 0.0821
- 12. If a substance can dissolve in certain fluids
- 14. Force per unit area
- 16. A quantity that does not change in amount