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






2. PO4³?






3. Increase Pressure






4. Planck's constant - used to calculate energy w/frequency






5. Ending for alcohols






6. ClO2¹?






7. Polyatomic Ions (bonding)






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

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9. ?T=k*m(solute)






10. Color of Ba (flame test)






11. Energy required for liquid?gas






12. Volume of gas @STP






13. Amine prefix






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






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






16. Atomic #






17. A weak acid that changes color at or near the equivalence point






18. Similar to atomic orbitals - except between molecules






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






20. Symbol for Total Heat absorbed or released






21. 1/[A]=kt + 1/[A]0






22. 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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23. Freezing point depression formula






24. We cannot simultaneously determine an atom's exact path or location






25. SO4²?






26. R in ideal gas law






27. CO3²?






28. Carbon - hydrogen - oxygen compounds






29. 760mmHg/Torr






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






31. Oxidation # of Compounds






32. 1/[A] vs. time is a ...-order reaction






33. The chemical formed when an acid donates a proton






34. Change in moles (An) =?






35. Heat capacity formula






36. Oxidation # of Ions






37. 1 sigma bond - 2 pi bonds






38. Proton (symbol)






39. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides






40. When two elements form a series of compounds - the ratios of the masses of the second element that combine with 1g of the first element can always be reduced to whole numbers






41. Substances w/ critical temperatures below 25°C






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






43. HCl - HBr - HI - HNO3 - HClO4 - H2SO4






44. AX3






45. AX2E - AX2E2






46. Horizontals on the periodic table






47. Liquid to gas






48. 0.00°C - 1 atm






49. Work = ?






50. Wavelength symbol