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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. Measure of the change in enthalpy






2. Tools NEEDED for dilution






3. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides






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






5. Electron pairs found in the space between the atoms






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

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7. An element with several different forms - each with different properties (i.e. graphite & diamond)






8. Force that holds atoms together






9. A device used to measure Delta H






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






11. l=0






12. Half cell in which reduction occurs






13. All cations are soluble with sulfate EXCEPT






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






15. (organics) nine carbons






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






17. Lowers activation energy






18. Driving force of the electrons






19. Unit of electrical potential; J/C






20. AX3E2






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






22. Volume of gas @STP






23. Gas to liquid






24. Significant Digits of Conversion Factors






25. (organics) single-bonded compound






26. l=3






27. Where reduction occurs






28. Work = ?






29. Half-life equation






30. Significant Digits of counted things






31. For significant digits - trailing zeros _____ significant






32. Phase change from gas to solid






33. Passage of gas through tiny orifice






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






35. A molecule having a center of positive charge and a center of negative charge






36. MnO4¹?






37. Substance that - when dissolved - is conductive






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






39. Where oxidation occurs






40. 96 -485 C/mol e-






41. Different form of same element






42. AX4E2






43. Anions or cations as needed to produce a compound with non net charge






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






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






46. 1/([A]0*k)






47. The reactant in the oxidizing reaction that forces the reduction reaction to occur






48. Absorbs/takes in heat (positive value)






49. As protons are added to the nucleus - electrons are similarly added






50. Oxidation # of Ions







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