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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. Instrument used to measure the pressure of a not-atmospheric gas (open or closed system)






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






3. Amount of product produced when limiting reactant is used up






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






5. 1 sigma bond - 1 pi bond






6. Only contains ions that change in reaction






7. 760mmHg/Torr






8. Puts H? into solution






9. Compound in which there is a bond between a metal and a non-metal; when naming - pay attention to ionic charges on periodic table (may be reduced)






10. negative ion






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






12. (organics) single-bonded compound






13. AX4E2






14. Force acting over distance






15. Proton donors






16. Molecules' tendency to stick to the container






17. Increase Pressure






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






19. ClO3²?






20. r=k[A]






21. PO4³?






22. For significant digits - leading zeros ____ significant






23. (organics) triple-bonded compound






24. AX3






25. The part of the universe one is focused upon (in thermodynamics)






26. Henry's Law - solubility of gases is directly proportional to the partial pressure of the gas






27. AX3E






28. The chemical formed when an acid donates a proton






29. Color of K (flame test)






30. Phase change from solid to gas






31. Effusion of a gas is inversely proportional to the square root of the molar mass

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32. Elements which have all electrons paired and relatively unaffected by magnetic fields






33. Substance that - when dissolved - is conductive






34. Donates a single H+ Ion (... other prefixes also)






35. n+m (these are orders of reactants)






36. Oxidation # of Hydrogen






37. Universal IMF for nonpolar molecules






38. S²?






39. Has values from 0 to (n-1); tells shape of atomic orbitals






40. How to Find an Empirical Formula Given Percentages






41. AX6






42. J/°Cmol or J/Kmol






43. Phase change from gas to solid






44. Work = ?






45. Liquid to gas






46. Isotope






47. Actual Yield/Theoretical Yield*100%






48. Change without heat transfer between the system and its surroundings






49. When n=5 ->2 - color=






50. Mole Fraction