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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. Organic w/ -OH group






2. Organic w/ -O-






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






4. Equation to find Ea from reaction rate constants at two different temperatures






5. Color of Cs (flame test)






6. Organic w/ -NH2






7. H + donor






8. Does the same as equilibrium expression - except it uses initial concentrations






9. When two elements form a series of compounds - the ratios of the masses of the second element that combine with 1g of the first element can always be reduced to whole numbers






10. Composition Formula






11. Thickness






12. High-energy light






13. How to Balance a Redox Equation






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






15. R=






16. (organics) single-bonded compound






17. Speed per molecule of gas






18. Loss of electrons - increase in oxidation #






19. Amount of gravitational force exerted on an object






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






21. Kinetic Energy of an individual particle formula






22. 760mmHg/Torr






23. ?H when 1 mol of bonds is broken in the gaseous state






24. n+m (these are orders of reactants)






25. I=moles of particles/moles of solute dissolved

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26. Ptotal=P1+P2+P3+...

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27. Organic reaction in which water breaks apart a molecule (splitting into two hydroxides)






28. Change in Energy (AE) = ? (in terms of work)






29. Ending for alcohols






30. x can be ignored when % ionization is <5%






31. Arrhenius equation






32. CO3²?






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






34. Ester suffix






35. Ecell= E°cell -RT/nF x lnQ






36. Specific heat of water






37. ?T=k*m(solute)






38. Aldehyde suffix






39. The weighted average of all the isotopes that an atom can have (in g/mol)






40. Change that occurs at constant temperature






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






42. Where reduction occurs






43. AX3E2






44. A solution that resists a change in pH - contains both a weak acid and its conjugate base






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






46. A method of investigation involving observation and theory to test scientific hypotheses






47. Within a sublevel - place one e? per orbital before pairing them

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48. Degree of disorder in a system






49. AX5






50. Carbon - hydrogen - oxygen compounds







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