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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. ... compounds are most conductive






2. .69/k






3. Phase change from gas to solid






4. All _________ compounds are electrolytes






5. Force acting over distance






6. Type of system in which nothing is transfered (no mass or energy); ideal






7. Kinetic Energy is proportional to ______






8. Amount of product produced when limiting reactant is used up






9. Pure metal or metal hydride + H20 ->






10. Variable for type of orbital






11. NO2¹?






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

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13. Measure of the change in enthalpy






14. All forms of energy except for heat






15. ln[A] vs. time is a ...-order reaction






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






17. Colors of Reaction when (MnO4 -) --> (Mn2+)






18. Carbon - hydrogen - oxygen compounds






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

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20. Spectrum of light when an electron drops to energy level n=2






21. Color of Na (flame test)






22. AX2E - AX2E2






23. J/°Cmol or J/Kmol






24. If a change is imposed on a system at equilibrium - the position of the equilibrium will shift in a direction that tends to reduce that change

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25. Positive ion






26. K






27. Non-Ideal Gas Conditions






28. Driving force of the electrons






29. Unit of electrical potential; J/C






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






31. 0.00°C - 1 atm






32. Puts H? into solution






33. Organic w/ -O-






34. Ionizes to produce OH- Ions






35. Elements on staircase on periodic table






36. Liquid to solid






37. Metal oxide + H20 ->






38. Negative enthalpy - heat flows into surroundings






39. All (though really not all - but for our purposes all) ________ compounds are NOT electrolytes






40. Mol of solute/kg of solvent






41. Atoms with the same number of protons but a different number of neutrons






42. Happens at lines in phase change charts






43. (organics) seven carbons






44. Connects the 2 half cells in a voltaic cell






45. How to Find an Empirical Formula Given Percentages






46. Force per unit area






47. 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)






48. Mol/kg of solvent - used in calculating colligative properties






49. Absorbs/takes in heat (positive value)






50. Unusually strong dipole forces found when H is bonded to N - O - or F