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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. Generally insoluble anions (names)






2. Uses a spontaneous redox rxn to generate electrical energy - consists of 2 half cells






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






4. Cation first - anion second






5. Variable for spin of electron (+.5 or -.5)






6. Mol of solute/kg of solvent






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






8. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides






9. 1 sigma bond - 1 pi bond






10. Expresses how the concentrations depend on time






11. Color of Li (flame test)






12. AX2 - AX2E3






13. Nonmetal oxide + H2O ->






14. Molality =






15. The driving force for a spontaneous is an increase in entropy of the universe






16. High-speed electrons






17. Substances that form OH- when dissolved in water; proton acceptors






18. OH¹?






19. Reverse rxn occurs when






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






21. The heat changed in a chemical reaction.






22. Composition Formula






23. Ptotal=Pa+Pb+Pc....

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






25. IMF that occurs with FON






26. Point at which vapor pressure=air pressure above






27. If anion ends in -ide - acid name ends in






28. frequency symbol






29. neutron (symbol)






30. A device used to measure Delta H






31. Organic w/ -NH2






32. 1/([A]0*k)






33. Passage of gas through tiny orifice






34. Significant Digits of Conversion Factors






35. Reactant that's completely used up in a chemical reaction






36. When n=4 ->2 - color=






37. Oxidation # of Compounds






38. AP doesn't deal with ...-order reaction - don't pick it!






39. When gas expands ...






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






41. When _____ significant digits - round answer to least significant digit






42. ClO3²?






43. kf of water






44. Happens at lines in phase change charts






45. 1.Volume of individual particles can be assumed to be zero 2.The particles are in constant motion - which causes pressure 3.Particles exert no forces on each other 4.The average kinetic energy of the particles is directly affected by temperature(K)






46. Change in Energy (AE) = ? (in terms of work)






47. Amount of gravitational force exerted on an object






48. These orbitals are diagonal






49. The reactant that is being reduced - brings about oxidation






50. (organics) single-bonded compound