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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. Half cell in which oxidation occurs






2. 1 sigma bond - 2 pi bonds






3. AX5E






4. For significant digits - leading zeros ____ significant






5. Donates a single H+ Ion (... other prefixes also)






6. Mol of solute/kg of solvent






7. 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






8. Kinetic Energy of an individual particle formula






9. Unusually strong dipole forces found when H is bonded to N - O - or F






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






11. A measure of randomness or disorder






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






13. An element with several different forms - each with different properties (i.e. graphite & diamond)






14. Gas to solid






15. Metal oxide + H20 ->






16. Bond bond in which atoms aren't so different that electrons are completely transferred but are different enough that unequal sharing occurs






17. (organics) seven carbons






18. Work = ?






19. R in ideal gas law






20. Heat needed to change 1 g of substance to 1°C






21. Point where acid completely neutralizes base






22. How to Find a Weighted Average






23. Unit of electrical potential; J/C






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






25. Ptotal=Pa+Pb+Pc....

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






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






28. Solution in flask being titrated






29. Matter can't be created nor destroyed






30. Passage of gas through tiny orifice






31. Vapor pressure lowering - boiling point elevation - freezing point depression - osmotic pressure






32. E=mc^2






33. Experimental yield/theoretical yieldx100






34. A weak acid that changes color at or near the equivalence point






35. Determined by the formula h/m(in kg)v - (v=velocity)






36. frequency symbol






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






38. Lowers activation energy






39. Amine prefix






40. The heat changed in a chemical reaction.






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






42. A monoatomic anion is named by taking...






43. Mass percent






44. OIL RIG






45. Diatomic Molecules






46. Liquid to gas






47. AH of formation for a substance in its stablest form (how it is found in nature)






48. The energy required to raise 1 g of substance 1 degree C






49. How to Find an Empirical Formula Given Percentages






50. Measure of the change in enthalpy