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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. Absorbs/takes in heat (positive value)






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






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






4. OH¹?






5. Henry's Law - solubility of gases is directly proportional to the partial pressure of the gas






6. Point at which vapor pressure=air pressure above






7. How fast or slow a reaction occurs - becomes slower as it reaches equilibrium






8. frequency symbol






9. Bomb Calorimeter






10. SO3²?






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






12. The line running between the atoms






13. Calculation from K to C






14. Pairs of electrons localized on an atom






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






16. Amount of gravitational force exerted on an object






17. Ptotal=Pa+Pb+Pc....

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18. The reactant that is being oxidized - brings about reduction






19. kf of water






20. Negative enthalpy - heat flows into surroundings






21. J/°Cg or J/Kg






22. Ideal Gas Law Formula






23. When ____ significant digits - round answer to least decimal place






24. Substances w/ critical temperatures below 25°C






25. I¹?






26. q H2O = ?






27. 1 sigma bond






28. When gas expands ...






29. Energy required to break a bond






30. Energy required for melting to occur






31. All (though really not all - but for our purposes all) ________ compounds are NOT electrolytes






32. Increase Volume






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






34. Oxidation # of Hydrogen






35. Matter can't be created nor destroyed






36. J/°Cmol or J/Kmol






37. H+ Acceptor






38. The energy required to raise 1 g of substance 1 degree C






39. Cl¹?






40. Reverse rxn occurs when






41. Atomic #






42. Like dissolves...






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






44. AX3






45. Ionizes to produce OH- Ions






46. O²?






47. r=k[A]






48. Occupies the space above and below a sigma bond






49. 180° - sp






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