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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. Ecell= E°cell -RT/nF x lnQ






2. Proton donors






3. Half cell in which oxidation occurs






4. Spontaneous emission of radiation






5. Compound in which there is a bond between two non-metals; when naming them you use the numerical prefixes (may NOT be reduced i.e. S2F4 may not become SF2)






6. All forms of energy except for heat






7. 760mmHg/Torr






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

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9. E?s fill the lowest energy orbital first - then work their way up






10. All cations are soluble with bromide - chloride and iodide EXCEPT






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






12. Ptotal=P1+P2+P3+...

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13. Substance that - when dissolved - is conductive






14. H + donor






15. frequency symbol






16. Organic w/ -O-






17. Elements in groups 3-12






18. AX4E






19. Entropy in the universe is always...






20. Cation first - anion second






21. As protons are added to the nucleus - electrons are similarly added






22. A homogeneous mixture with 1 phase






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






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






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






26. Average speed of gas






27. Proton acceptors - must have an unshared pair of e?s






28. Energy required to break a bond






29. Boiling point elevation formula






30. Pressure Units/Conversions






31. Has values from 0 to (n-1); tells shape of atomic orbitals






32. AX3E2






33. In a titration - the point where moles of acid are equal to moles of base (just before the indicator changes color)






34. Metal oxide + H20 ->






35. (organics) six carbons






36. In covalent bonds - prefixes are used to tell...






37. Weakest IMFs - found in all molecules






38. Bomb Calorimeter






39. % yield






40. For significant digits - leading zeros ____ significant






41. Driving force of the electrons






42. Oxidation # of Hydrogen






43. Ptotal=Pa+Pb+Pc....

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44. Happens at lines in phase change charts






45. Absorbs/takes in heat (positive value)






46. ln[A]=-kt + ln[A]0






47. r=k[A]






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






49. Reverse rxn occurs when






50. F¹?