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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. Half cell in which oxidation occurs






2. Ionizes to produce OH- Ions






3. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides






4. A device used to measure Delta H






5. Molality =






6. PO4³?






7. Speed of light - C






8. Substances w/ critical temperatures below 25°C






9. 6.022x10^23






10. Colors of Reaction when (Cr2O7 2-) --> (Cr 3+)






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






12. Similar to atomic orbitals - except between molecules






13. Anything occupying space and with mass






14. These orbitals are diagonal






15. (organics) ten carbons






16. x can be ignored when % ionization is <5%






17. A solid or gas that can be formed when 2 or more aqueous reactants come together






18. Peak of energy diagram






19. Mol/L - concentration of a solution






20. q cal = ?






21. OH¹?






22. frequency symbol






23. Transition metals with ammonia - hydroxide - cyanide or thiocyanate form...






24. O²?






25. 0°C and 1 atm






26. Lowers activation energy






27. Compound in which there is a bond between a metal and a non-metal; when naming - pay attention to ionic charges on periodic table (may be reduced)






28. AX6






29. Experimental yield/theoretical yieldx100






30. Expresses how the concentrations depend on time






31. MnO4¹?






32. AX4E2






33. If Q>Ksp






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






36. The total entropy is always increasing - all systems tend towards maximum entropy






37. kf of water






38. AX5






39. Organic reaction in which two functional groups come together - resulting in the release of water






40. l=1






41. When more than one valid Lewis structure can be written for a particular molecule; represented by double-headed arrows






42. (organics) three carbons






43. (organics) double-bonded compound






44. IMF that occurs with FON






45. A method of investigation involving observation and theory to test scientific hypotheses






46. 1/[A] vs. time is a ...-order reaction






47. Point at which liquid?gas occurs






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






49. Significant Digits of Conversion Factors






50. Proton (symbol)







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