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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. Mole Fraction






2. (organics) three carbons






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






4. If Q<Ksp






5. OH¹?






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






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






8. Color of Cs (flame test)






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






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






11. Verticals on the periodic table






12. HF+ OH??H2O






13. Solid to gas






14. Mass percent






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






16. Boiling point elevation formula






17. ln[A]=-kt + ln[A]0






18. Solution used in titration






19. Group 1 - Ammonium - Nitrates - Acetates - Sulfates - Halides






20. In going from a particular set of reactants to a particular set of products - the change in enthalpy is the same whether the reaction takes place in one step or in a series of steps

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






22. Henry's Law - solubility of gases is directly proportional to the partial pressure of the gas






23. AX4E2






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






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






26. Non-Ideal Gas Conditions






27. IMF that occurs with FON






28. If a change is imposed on a system at equilibrium - the position of the equilibrium will shift in a direction that tends to reduce that change

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29. Molecules' tendency to stick to the container






30. (organics) four carbons






31. The lowest energy configuration for an atom is the one having the max number of unpaired electrons allowed by the Pauli principle in a set of degenerate orbitals

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32. What is defined by you taken from the whole universe






33. Mol/L - concentration of a solution






34. How to Find an Empirical Formula Given Grams






35. 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)






36. AX6






37. Delta H (AH) = ?






38. frequency symbol






39. AX3






40. NO2¹?






41. AX2E - AX2E2






42. Elements on staircase on periodic table






43. Energy can't be created nor destroyed






44. Calculation from K to C






45. ClO2¹?






46. A homogeneous mixture with 1 phase






47. Connects the 2 half cells in a voltaic cell






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






49. Group 2 metals






50. Hydroxides are soluble or insoluble?