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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. The line running between the atoms






2. Amount of heat needed to change a system by 1°C






3. Bond bond in which atoms aren't so different that electrons are completely transferred but are different enough that unequal sharing occurs






4. SI unit of energy; Kg*m^2/s^2






5. l=2






6. Gas to solid






7. AX4E2






8. A monoatomic cation takes name from...






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






10. Energy (definition)






11. ?H when 1 mol of bonds is broken in the gaseous state






12. r=k[A]^2






13. Oxidation # of Hydrogen






14. Passage of gas through tiny orifice






15. Moles of solute/volume of soln(L)






16. Half-life equation






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






18. (organics) three carbons






19. For significant digits - leading zeros ____ significant






20. IMF that exists in polar molecules






21. Ka=[products]^m/[reactants]^n






22. Describe various properties of one orbital






23. The amount of energy/heat required to raise some substance 1 degree C






24. To find activation energy use the...






25. Colors of Reaction when (Cr2O7 2-) --> (Cr 3+)






26. Amine prefix






27. Color of Ba (flame test)






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






29. Change that occurs at constant temperature






30. Elements on staircase on periodic table






31. 760 mmHg - 760 torr






32. 1 sigma bond - 2 pi bonds






33. 2+ charge






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

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35. Where oxidation occurs






36. If heat capacity isn't mentioned - you can assume that q of cal is = ?






37. 0°C and 1 atm






38. Isotope






39. J/°Cmol or J/Kmol






40. Happens at lines in phase change charts






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






42. 0.00°C - 1 atm






43. Anions or cations as needed to produce a compound with non net charge






44. If anion ends in -ite - acid name ends in...






45. Group 2 metals






46. K=[C]^l[D]^m/[A]^j[B]^k; products/reactants; solids don't count






47. x can be ignored when % ionization is <5%






48. OIL RIG






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






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







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