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






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






3. (organics) double-bonded compound






4. 0°C and 1 atm






5. CO3²?






6. When n=6 ->2 - color=






7. Mixing of gases






8. Theoretical yield-experimental yield/theoretical yieldx100






9. Group 1 - Ammonium - Nitrates - Acetates - Sulfates - Halides






10. S²?






11. Average speed of gas






12. 2+ charge






13. 1 sigma bond - 1 pi bond






14. Substances that form H+ when dissolved in water; proton donors






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






16. Molality =






17. The likelihood that a rxn will occur "by itself"






18. Calculation from K to C






19. kb of water






20. Color of Cs (flame test)






21. In covalent bonds - prefixes are used to tell...






22. Unit of electrical potential; J/C






23. Metal oxide + H20 ->






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






25. Energy needed to vaporize a mole of a liquid






26. Point where acid completely neutralizes base






27. [A] vs. time is a ...-order reaction






28. Heat capacity formula






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






30. frequency symbol






31. Energy required to break a bond






32. Polyatomic Ions (bonding)






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






34. Energy can't be created nor destroyed






35. AX2 - AX2E3






36. CrO4²?






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






38. Matter can't be created nor destroyed






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






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

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41. (A) - C/s






42. Assumes that a molecule is composed of atoms that are bound together by sharing pairs of electrons using the atomic orbitals of the bound atoms






43. Elements in groups 3-12






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






45. Color of Ca (flame test)






46. Half cell in which oxidation occurs






47. These orbitals are diagonal






48. Point at which liquid?gas occurs






49. Boiling point - melting point - viscosity - vapor pressure - surface tension






50. The minimum energy that molecules must possess for collisions to be effective - Ea







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