Chemistry FINAL Review
Across
- 3. anything that has mass and takes up space
- 5. energy due to motion
- 10. algebraic expression, ratio, or number
- 12. a transfer of energy between 2 objects at different temperatures
- 16. a measure of the average kinetic energy of the molecules that make anything up
- 17. a system that does not allow the exchange of matter
- 18. number, 6.022 * 10^24
- 21. a species that dissociates snd conducts electricity in H2O
- 22. the amount of heat necessary to raise 1 gram of a substance by 1º
- 23. a system that stays at constant temperature
- 25. amount of heat needed to raise 1 gram of H2O from 3º to 4º
- 26. a very precise lab measuring technique
- 27. What method can you use to solve an equilibrium problem?
- 30. group 17 - 7 valence electrons
- 31. a system that does not allow the transfer of heat
- 32. unit of measurement for amount of substance
Down
- 1. lowers activation so that more particles of a compound can pass the threshold of energy
- 2. stored energy or energy due to position
- 4. when moles of acid equal moles of base
- 6. point
- 7. many types: ability to do work or produce heat
- 8. a reaction that absorbs heat
- 9. how well an object holds on to heat
- 11. outermost electrons
- 13. a force acting over a distance (good physics definition)
- 14. a substance existing in 1 of at least 2 different structures depending on pH -- different colors
- 15. bonds between ions - metals and nonmetals - large electronegativity difference
- 19. a system that allows the exchange of matter
- 20. where a reaction takes place
- 24. strong bases
- 28. anything that can have an effect on the system
- 29. a reaction that releases heat