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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. Occupies the space above and below a sigma bond






2. Elements which have all electrons paired and relatively unaffected by magnetic fields






3. How to Find an Empirical Formula Given Grams






4. Theoretical yield-experimental yield/theoretical yieldx100






5. K






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






7. Ideal Gas Law Formula






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






9. Rate of Diffusion/Effusion formula






10. 1 sigma bond






11. BrO3¹?






12. 180° - sp






13. Electron (symbol)






14. E=mc^2






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






16. IMF that occurs with FON






17. Bomb Calorimeter






18. In a titration - the point where the indicator changes (just after moles of solid are equal to moles of base)






19. Happens at lines in phase change charts






20. Unit of electrical potential; J/C






21. 90° - d^2sp^3






22. Where oxidation occurs






23. Oxidation # of Ions






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






25. Significant Digits of Conversion Factors






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






27. [A] vs. time is a ...-order reaction






28. ?Hsoln=?H1+?H2+?H3+...






29. Connects the 2 half cells in a voltaic cell






30. PV=nRT






31. IMF that exists in polar molecules






32. Expresses how the concentrations depend on time






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






34. A monoatomic cation takes name from...






35. Ionizes to produce H+ ions






36. ln[A]=-kt + ln[A]0






37. Mole Fraction






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






39. Gas to solid






40. Different form of same element






41. These orbitals are spherical






42. 101 -325 Pa






43. R=






44. Atoms combine in fixed whole # ratios






45. O²?






46. OH¹?






47. Delta H (AH) = ?






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






49. Force that holds atoms together






50. Mass reactants= mass products







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