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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. Cl¹?






2. [A]=-kt + [A]0






3. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)






4. F¹?






5. Type of system in which the energy may escape - but the mass is conserved






6. We cannot simultaneously determine an atom's exact path or location






7. Mol/L - concentration of a solution






8. Change in Energy = ? (in terms of constant pressure; for gasses)






9. H?+NH3?NH4






10. MnO4¹?






11. Carbon - hydrogen - oxygen compounds






12. A neutral molecule/ion having a lone e- pair that can be used to form a bond to a metal ion






13. Ecell= E°cell -RT/nF x lnQ






14. Organic w/ -O-






15. Work = ?






16. If K<1 - then Gº>0 and reaction will be...at chemical equilibrium






17. n+m (these are orders of reactants)






18. Group 1 metals






19. A solution used in titrations whose concentration is known






20. Variable for type of orbital






21. What is defined by you taken from the whole universe






22. q rxn = ?






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






24. Aldehyde suffix






25. Variable for energy of e- - goes from 1 -2 -3 on up






26. Melting






27. Organic w/ -NH2






28. Molality =






29. Instrument used to measure the pressure of atmospheric gas






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






31. Temperature-pressure combination at which solid - liquid - and gas states appear






32. l=3






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






34. (organics) eight carbons






35. l=0






36. When n=6 ->2 - color=






37. How to Find an Empirical Formula Given Grams






38. High-energy light






39. Significant Digits of Conversion Factors






40. 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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41. Similar to atomic orbitals - except between molecules






42. 120° - sp^2






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

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44. The lowest energy configuration for an atom is the one having the max number of unpaired electrons allowed by the Pauli principle in a set of degenerate orbitals

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45. IMF that exists in polar molecules






46. Verticals on the periodic table






47. S²?






48. Chemical composition of dry ice






49. For significant digits - leading zeros ____ significant






50. Atoms combine in fixed whole # ratios