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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. OH¹?






2. Oxidation # of Ions






3. H + donor






4. Energy needed to break a bond






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






6. Happens at lines in phase change charts






7. ln[A]=-kt + ln[A]0






8. Substance being dissolved in a solution (lower [ ])






9. Liquid to solid






10. AX3E






11. Heat required to raise the system 1°C






12. IMF that occurs with FON






13. Phase change from solid to gas






14. ln[A] vs. time is a ...-order reaction






15. In going from a particular set of reactants to a particular set of products - the change in enthalpy is the same whether the reaction takes place in one step or in a series of steps

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16. 180° - sp






17. Cation first - anion second






18. If needed - indicate charge of metal(cation) by...






19. Involves quantum numbers






20. The heat changed in a chemical reaction.






21. Point at which vapor pressure=air pressure above






22. Atomic #






23. (organics) one carbon






24. (organics) ten carbons






25. The reactant in the reduction reaction that forces the oxidation reaction to occur






26. R=






27. Change in Energy = ? (in terms of constant pressure; for gasses)






28. Idea Gas Law (actual rules)






29. Studies the rate at which a chemical process occurs and sheds light on its reaction mechanism






30. Measure of the average kinetic energy of all the particles in a substance






31. Force per unit area






32. Kinetic Energy of an individual particle formula






33. A method of investigation involving observation and theory to test scientific hypotheses






34. A monoatomic anion is named by taking...






35. Increase Pressure






36. A given compound always has exactly the same proportion of elements by mass






37. ClO3²?






38. Change in Energy (AE) = ? (in terms of work)






39. Organic w/ -NH2






40. This MUST be determined experimentally






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






42. Mass percent






43. K






44. Type of system in which the energy and mass may leave or enter






45. Elements on staircase on periodic table






46. Mol of solute/kg of solvent






47. The reactant that is being oxidized - brings about reduction






48. Where there are no electrons






49. Negative enthalpy - heat flows into surroundings






50. Connects the 2 half cells in a voltaic cell