Chemistry Bonus

4. diffusion through a tiny opening
6. point where titration changes colors
7. transition of a substance from gas to solid
9. procedure where a concentration of a solution is determined by comparing it to a solution of a known concentration
11. enthalpy change for a reaction carried out in multiple steps is equal to the sum of the enthalpy changes for each individual step
13. substance that increases the concentration of hydrogen ions in an aqueous solution
15. substance that increases the concentration of hydroxide ions in an aqueous solution
16. characteristic that can be observed or measured without changing the sample's composition
17. ability of a substance to combine with or change into one or more other substances
18. one element trades places with another element
19. species produced when a base accepts a hydrogen ion from an acid

1. random movement of gas molecules from an area of higher concentration to an area of lower concentration
2. one reactant forms several porducts
3. transition of a substance from solid to gas
5. species that results when an acid donates a hydrogen ion to a base
8. point at which moles of H3O+ ion from the acid equal the moles of OH- from the base
9. temperature and pressure at which the solid, liquid, and gas forms of a substance coexist
10. device used to measure the energy absorbed or released as heat in a chemical reaction
12. several reactants form one product
14. two elements trade places