Chemistry

4. the movement of gas molecules from an area of higher concentration to lower concentration
5. larger gases move_____
7. _____ can never change at the same time as pressure
8. smaller gases move_______
9. Donates one proton per molecule
13. Citrus juice is a_______
15. breaking bonds requires______
16. a substance that speeds up chemical reactions without undergoing any chemical changes
18. A device used to measure the energy absorbed or released as heat in a chemical reaction

1. transition directly from a solid to a gas
2. Donates more than one proton per molecule
3. if a reaction absorbs energy it is_________
6. Biological catalysts that speed up the rate of reactions in the body
10. transition directly from a gas to a solid
11. Bleach is a_______
12. the total amount of energy
14. the change in heat of the products from the reactants
15. if a reaction releases energy it is__________
17. the temperature and pressure at which the solid, liquid, and gas forms of a substance coexist
19. diffusion through a tiny opening