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






2. R=






3. AX3E2






4. A device used to measure Delta H






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






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






7. Passage of gas through tiny orifice






8. Cl¹?






9. Carbon & hydrogen compounds






10. Different form of same element






11. A measure of randomness or disorder






12. AX4E






13. SI unit of energy; Kg*m^2/s^2






14. Speed of light - C






15. Anything occupying space and with mass






16. For significant digits - trailing zeros _____ significant






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






18. Larger molecules which have higher mass and therefore electron density have stronger...






19. ClO3²?






20. AX5






21. Mass/volume






22. AX6






23. Delta H (AH) = ?






24. (organics) two carbons






25. AX4E2






26. C2O4²?






27. Pairs of electrons localized on an atom






28. Proton (symbol)






29. If anion ends in -ate - acid name ends in...






30. Involves quantum numbers






31. Theoretical yield-experimental yield/theoretical yieldx100






32. 1/([A]0*k)






33. A monoatomic cation takes name from...






34. Metal oxide + H20 ->






35. Variable for type of orbital






36. Mol/L - concentration of a solution






37. Boltzmann constant - used in calculating speed of gas per molecule






38. Work = ?






39. Type of system in which nothing is transfered (no mass or energy); ideal






40. HCl - HBr - HI - HNO3 - HClO4 - H2SO4






41. When gas compresses ...






42. Similar to atomic orbitals - except between molecules






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






44. Force acting over distance






45. Bomb Calorimeter






46. (organics) eight carbons






47. When _____ significant digits - round answer to least significant digit






48. Color of Ba (flame test)






49. Neutralization Reaction (general format) (net ionic of which is always (H+) + (OH-) --> (H2O))






50. Nonmetal oxide + H2O ->