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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. Diatomic Molecules






3. 1.Calculate moles of each atom in molecule 2.Divide each mole number by smallest mole number 3.If necessary - multiply every mole number to get a whole number 4.Moles of each atom is subscript in empirical formula






4. Ptotal=Pa+Pb+Pc....

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5. When gas compresses ...






6. Larger molecules which have higher mass and therefore electron density have stronger...






7. Ending for alcohols






8. Phase change from gas to solid






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






10. Temperature-pressure combination at which solid - liquid - and gas states appear






11. Faraday's constant






12. r=k[A]^2






13. Change that occurs at constant temperature






14. Point at which vapor pressure=air pressure above






15. Non-Ideal Gas Conditions






16. Polyatomic Ions (bonding)






17. The entropy of a pure perfectly formed crystal @0K is 0






18. Point where acid completely neutralizes base






19. For colligative properties for electrolytes - the # of mols of ions/ mols of solute

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20. Color of Cs (flame test)






21. Symbol for the heat absorbed or lost molecularly (PER MOLE)






22. A measure of resistance of an object to a change in its state of motion






23. J/°Cmol or J/Kmol






24. kb of water






25. For significant digits - trailing zeros _____ significant






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






27. (N) number of equivalents per liter of solution






28. Coffee Cup Calorimeter






29. Electron pairs found in the space between the atoms






30. When n=3 ->2 - color=






31. l=3






32. Amine prefix






33. Heat needed to change 1 g of substance to 1°C






34. Freezing point depression formula






35. CrO4²?






36. Everything in the universe that is not defined by you as part of the system






37. # bonding e- - # antibonding e-/2






38. A monoatomic anion is named by taking...






39. AX3E






40. l=1






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






42. Oxidation # of Ions






43. The transfer of energy between two objects due to temperature difference






44. Group 2 metals






45. kf of water






46. Elements in groups 3-12






47. High-energy light






48. Cr2O7²?






49. K






50. SO3²?