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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. Ideal Gas Law Formula






2. 0°C and 1 atm






3. Molality =






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






5. The amount of energy/heat required to raise some substance 1 degree C






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






7. Reactant which doesn't get used up completely in a chemical reaction






8. Gas to liquid






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






10. A solution used in titrations whose concentration is known






11. The chemical formed when a base accepts a proton






12. Solid to gas






13. Experimental yield/theoretical yieldx100






14. Raoult's Law - relations between vapor pressure and concentrations






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






16. The mixing of native atomic orbitals to form special orbitals for bonding






17. (organics) five carbons






18. The reactant in the reduction reaction that forces the oxidation reaction to occur






19. Instrument used to measure the pressure of atmospheric gas






20. High-speed electrons






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






22. The entropy of a pure perfectly formed crystal @0K is 0






23. I¹?






24. Boiling point - melting point - viscosity - vapor pressure - surface tension






25. Involves quantum numbers






26. Amine prefix






27. A device used to measure Delta H






28. Oxidation # of free elements






29. ?T=k*m(solute)






30. A solution that resists a change in its pH






31. Mass/volume






32. kf of water






33. The total energy of the universe is constant - all systems tend towards minimum energy






34. Oxidation # of Oxygen






35. Instrument used to measure the pressure of a not-atmospheric gas (open or closed system)






36. Where there are no electrons






37. AX5






38. If Q>Ksp






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






40. Puts OH? into solution






41. The reactant that is being reduced - brings about oxidation






42. Compound in which there is a bond between a metal and a non-metal; when naming - pay attention to ionic charges on periodic table (may be reduced)






43. 109.5° - sp^3






44. Speed of light - C






45. R=






46. Force per unit area






47. Everything in the universe that is not defined by you as part of the system






48. Average Kinetic Energy Formula






49. r=k[A]






50. r=k