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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. Theoretical yield-experimental yield/theoretical yieldx100






2. Color of Ba (flame test)






3. The line running between the atoms






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






5. Puts H? into solution






6. Raising heat - adding catalyst - heighten concentration - bigger surface area






7. Point at which vapor pressure=air pressure above






8. Cl¹?






9. A device in which chemical energy is changed to electrical energy






10. A given compound always has exactly the same proportion of elements by mass






11. When two elements form a series of compounds - the ratios of the masses of the second element that combine with 1g of the first element can always be reduced to whole numbers






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






13. (A) - C/s






14. (# of valence e- on free atom) - (# of valence e- assigned to atom in molecule)






15. AX4E






16. Anything occupying space and with mass






17. 2 or more covalently bonded atoms






18. AX6






19. AX3






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






21. Positive ion






22. Work = ?






23. H?+OH??H2O






24. kb of water






25. U(rms)=(3RT/M)^1/2






26. The chemical formed when a base accepts a proton






27. Substance that - when dissolved - is conductive






28. C2H3O2¹?






29. The likelihood that a rxn will occur "by itself"






30. Spontaneous emission of radiation






31. Variable for orientation of orbital (-1 through +1)






32. A single substance that may be an acid or a base (i.e. water)






33. All cations are soluble with sulfate EXCEPT






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






35. All _________ compounds are electrolytes






36. 180° - sp






37. NH4¹?






38. Ionizes to produce OH- Ions






39. Idea Gas Law (actual rules)






40. Organic w/ -OH group






41. Has values from 0 to (n-1); tells shape of atomic orbitals






42. (msubs) Can only be +1/2 or -1/2






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

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44. F¹?






45. AX4E2






46. CO3²?






47. If heat capacity isn't mentioned - you can assume that q of cal is = ?






48. 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






49. Positive enthalpy - heat flows into system






50. Increase Volume