Across
- 6. something that can be observed about a substance, such as color, smell, or boiling point
- 7. Energy needed to get a reaction started
- 8. a chemical reaction where two elements in different compounds trade places
- 9. Reaction A reaction that releases energy in the form of heat
- 11. the production of chemical compounds by reaction from simpler materials.
- 14. The heat content of a system at constant pressure
- 16. a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
Down
- 1. A rapid reaction between oxygen and fuel that results in fire
- 2. Reaction A reaction that ABSORBS energy in the form of heat
- 3. A characteristic of a pure substance that can be observed without changing it into another substance
- 4. Chemical agents that selectively speed up chemical reactions without being consumed by the reaction.
- 5. A measure of how much solute can dissolve in a given solvent at a given temperature.
- 10. one element replaces another element in a compound
- 12. the reaction of an acid and a base to form a neutral solution of water and a salt
- 13. A solid that forms from a solution during a chemical reaction.
- 15. Break down of a chemical organism