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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. Anything occupying space and with mass






2. Kinetic Energy of an individual particle formula






3. Gain of electrons - decrease in oxidation #






4. Substances that form OH- when dissolved in water; proton acceptors






5. Amount of product produced when limiting reactant is used up






6. The line running between the atoms






7. Oxoacid solution (such as HSO4-) forms...






8. A given compound always has exactly the same proportion of elements by mass






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






10. Mass reactants= mass products






11. # bonding e- - # antibonding e-/2






12. Type of system in which nothing is transfered (no mass or energy); ideal






13. Elements on staircase on periodic table






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






15. Amine prefix






16. How to Find an Empirical Formula Given Grams






17. Organic w/ -O-






18. Variable for type of orbital






19. Mols A/ total mols - XA






20. r=k[A]^2






21. E=mc^2






22. ClO2¹?






23. SO4²?






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






25. Energy required for melting to occur






26. Carboxylic acid ending






27. Speed per molecule of gas






28. Group 2 metals






29. Rate of Diffusion/Effusion formula






30. l=0






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






32. Puts H? into solution






33. Type of system in which the energy may escape - but the mass is conserved






34. If a system @equilibrium is stressed - the system will shift so as to reestablish equilibrium

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35. Chemical composition of dry ice






36. Color of Na (flame test)






37. =vM2/M1






38. The transfer of energy between two objects due to temperature difference






39. Speed of Diffusion/Effusion formula






40. l=3






41. To find activation energy use the...






42. Organic reaction in which two functional groups come together - resulting in the release of water






43. Group 1 and heavier Group 2 bases






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






45. Type of system in which the energy and mass may leave or enter






46. If needed - indicate charge of metal(cation) by...






47. C2O4²?






48. 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






49. (A) - C/s






50. Half cell in which oxidation occurs







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