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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. Phase change from solid to gas






2. States molecules at a given temp. vary in kinetic energy along a bell-curve of molecular velocities






3. Anything occupying space and with mass






4. Isotope






5. The driving force for a spontaneous is an increase in entropy of the universe






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






7. Elements in groups 3-12






8. OIL RIG






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






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






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






12. Boiling point elevation formula






13. NH4¹?






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






15. Metal oxide + H20 ->






16. ... compounds are most conductive






17. 0.00°C - 1 atm






18. Work = ?






19. r=k






20. Combined Gas Law Formula






21. Symbol for the heat absorbed or lost molecularly (PER MOLE)






22. Mixing of gases






23. Increase Volume






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






25. Molality =






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






27. (organics) six carbons






28. Has values 1 -2 -3 -...; tells energy levels






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






30. Spectrum of light when an electron drops to energy level n=2






31. Carbon & hydrogen compounds






32. Carbonates - Hydroxides - Oxides - Phosphates - Sulfides






33. Spontaneous emission of radiation






34. Effusion of a gas is inversely proportional to the square root of the molar mass

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35. Solid to gas






36. Substances that form H+ when dissolved in water; proton donors






37. Planck's constant - used to calculate energy w/frequency






38. (organics) triple-bonded compound






39. A monoatomic anion is named by taking...






40. The weight exerted by a column of air or the pressure exerted by the Earth's atmosphere






41. Heat needed to change 1 g of substance to 1°C






42. Occupies the space above and below a sigma bond






43. R in instances that pertain to energy






44. Force that holds atoms together






45. Mol/L - concentration of a solution






46. Entropy in the universe is always...






47. pH=






48. Ability of an atom in a molecule to attract shared electrons to itself






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






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