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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. Colors of Reaction when (Cr2O7 2-) --> (Cr 3+)






2. Substances above the critical temperature and pressure in which the pressure is so high that density and flowing ability of a "gas" resembles that of a liquid






3. Two molecules with identical connectivity but different geometries






4. Weakest IMFs - found in all molecules






5. All cations are soluble with sulfate EXCEPT






6. (organics) triple-bonded compound






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






8. Mixing of gases






9. r=k[A]






10. 109.5° - sp^3






11. Color of Ca (flame test)






12. Cation first - anion second






13. Change in Energy = ? (in terms of constant pressure; for gasses)






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






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






16. Faraday's constant






17. How to Find an Empirical Formula Given Grams






18. (organics) eight carbons






19. Energy involved in gaining an electron to become a negative ion






20. Substances w/ critical temperatures below 25°C






21. Energy required for liquid?gas






22. Molarity (M)






23. 760mmHg/Torr






24. Measure of the average kinetic energy of all the particles in a substance






25. Group 2 metals






26. Chemical composition of dry ice






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






28. Kinetic Energy per mol






29. The heat changed in a chemical reaction.






30. The chemical formed when a base accepts a proton






31. Force that holds atoms together






32. AX5E






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






34. [A]=-kt + [A]0






35. AX2E - AX2E2






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






37. Kinetic Energy of an individual particle formula






38. (organics) three carbons






39. R in instances that pertain to energy






40. Ptotal=P1+P2+P3+...

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41. PV=nRT






42. kf of water






43. Different form of same element






44. Point at which vapor pressure=air pressure above






45. Kinetic Energy per molecule






46. Planck's constant - used to calculate energy w/frequency






47. Substances that form H+ when dissolved in water; proton donors






48. If anion ends in -ite - acid name ends in...






49. Force per unit area






50. AX3