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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/ -O-






2. Molecules' tendency to stick to one another






3. AX6






4. A solid or gas that can be formed when 2 or more aqueous reactants come together






5. Heat capacity formula






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






7. 1/([A]0*k)






8. Formula used when diluting stock solution (to find amount of water or stock needed)






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






10. Carbon & hydrogen compounds






11. Ketone suffix






12. In a given atom no two electrons can have the same set of four quantum numbers






13. Degree of disorder in a system






14. Ionizes to produce OH- Ions






15. 1/[A]=kt + 1/[A]0






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






17. Dalton's Law of Partial Pressures (to find partial pressure formula)






18. ?Hsoln=?H1+?H2+?H3+...






19. Speed per molecule of gas






20. Positive ion






21. Like dissolves...






22. Energy needed to break a bond






23. 1.Volume of individual particles can be assumed to be zero 2.The particles are in constant motion - which causes pressure 3.Particles exert no forces on each other 4.The average kinetic energy of the particles is directly affected by temperature(K)






24. R=






25. Isotope






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






27. (# of valence e- on free atom) - (# of valence e- assigned to atom in molecule)






28. The reactant in the oxidizing reaction that forces the reduction reaction to occur






29. Mols A/ total mols - XA






30. Ability of an atom in a molecule to attract shared electrons to itself






31. A solution that resists a change in its pH






32. An equilibrium expression






33. PO4³?






34. Force acting over distance






35. Resistance to flow






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

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37. AX5E






38. Speed of Diffusion/Effusion formula






39. A homogeneous mixture with 1 phase






40. Describe various properties of one orbital






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






42. Symbol for Total Heat absorbed or released






43. How to Balance a Redox Equation






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






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






46. Elements which have unpaired electrons and highly affected by magnetic fields






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






48. Theoretical yield-experimental yield/theoretical yieldx100






49. Gas to solid






50. (organics) one carbon