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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 measure of randomness or disorder






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






3. 760mmHg/Torr






4. Function in which it doesn't matter HOW the changes take place - only that they do; you can use to formula Final - Initial ( i.e. energy - pressure - volume - temperature - sort of moles)






5. Half cell in which reduction occurs






6. Speed per molecule of gas






7. Tools NEEDED for dilution






8. Energy required for melting to occur






9. F¹?






10. Dirrect Method Formula






11. A single substance that may be an acid or a base (i.e. water)






12. AX4E






13. Pairs of electrons localized on an atom






14. Half-life equation






15. Heat required to raise the system 1°C






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






17. C2H3O2¹?






18. Molality =






19. (organics) three carbons






20. 2+ charge






21. 90°&120° - dsp^3






22. Bomb Calorimeter






23. The weighted average of all the isotopes that an atom can have (in g/mol)






24. Each orbital can hold two e?s each w/ opposite spins






25. Type of system in which the energy may escape - but the mass is conserved






26. R=






27. [A]=-kt + [A]0






28. Point where acid completely neutralizes base






29. Molecules' tendency to stick to the container






30. (organics) triple-bonded compound






31. Anything occupying space and with mass






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






33. In a given atom no two electrons can have the same set of four quantum numbers






34. Occupies the space above and below a sigma bond






35. The intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneous dipoles






36. Significant Digits of Conversion Factors






37. HF+ OH??H2O






38. Oxidation # of Ions






39. Idea Gas Law (actual rules)






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






41. Oxidation # of Polyatomic Ions






42. Ketone suffix






43. Point at which liquid?gas occurs






44. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)






45. Increase Pressure






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

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47. r=k[A]^2






48. 1/([A]0*k)






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






50. Ideal Gas Law Formula