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AP Chemistry

Subjects : science, ap, chemistry
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Does the same as equilibrium expression - except it uses initial concentrations






2. Pairs of electrons localized on an atom






3. S²?






4. If K>1 - then Gº<0 and reaction will be...at chemical equilibrium






5. (# of lone pair e-)+1/2(# of shared e-)






6. For significant digits - leading zeros ____ significant






7. When n=4 ->2 - color=






8. Group 1 and heavier Group 2 bases






9. If anion ends in -ate - acid name ends in...






10. Gas to solid






11. Ether prefix






12. Cl¹?






13. Dalton's Law of Partial Pressures (to find partial pressure formula)






14. A solution used in titrations whose concentration is known






15. (A) - C/s






16. l=3






17. AX6






18. Within a sublevel - place one e? per orbital before pairing them

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19. Describe various properties of one orbital






20. To find activation energy use the...






21. A device in which chemical energy is changed to electrical energy






22. Cation first - anion second






23. J/°Cmol or J/Kmol






24. The lowest energy configuration for an atom is the one having the max number of unpaired electrons allowed by the Pauli principle in a set of degenerate orbitals

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25. Reactant which doesn't get used up completely in a chemical reaction






26. In a given atom no two electrons can have the same set of four quantum numbers






27. AX5E






28. Mol/L - concentration of a solution






29. Raoult's Law - relations between vapor pressure and concentrations






30. AP doesn't deal with ...-order reaction - don't pick it!






31. E?s fill the lowest energy orbital first - then work their way up






32. Volume of gas @STP






33. Uses a spontaneous redox rxn to generate electrical energy - consists of 2 half cells






34. Color of Sr (flame test)






35. (organics) five carbons






36. Kinetic Energy of an individual particle formula






37. The energy required to raise 1 g of substance 1 degree C






38. Larger molecules which have higher mass and therefore electron density have stronger...






39. Heat capacity formula






40. The weight exerted by a column of air or the pressure exerted by the Earth's atmosphere






41. Oxidation # of Hydrogen






42. Speed of light - C






43. PV=nRT






44. H?+OH??H2O






45. Ionizes to produce H+ ions






46. Boiling point elevation formula






47. Elements on staircase on periodic table






48. Variable for energy of e- - goes from 1 -2 -3 on up






49. Mol of solute/kg of solvent






50. Freezing point depression formula