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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. Mol/kg of solvent - used in calculating colligative properties






2. Releases/gives off heat (negative value)






3. Heat capacity formula






4. 96 -485 C/mol e-






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






6. Liquid to solid






7. R=






8. Osmotic pressure formula






9. CN¹?






10. Transition metals with ammonia - hydroxide - cyanide or thiocyanate form...






11. A solution that resists a change in its pH






12. Boltzmann constant - used in calculating speed of gas per molecule






13. How to Find a Weighted Average






14. Where reduction occurs






15. neutron (symbol)






16. PO4³?






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






18. l=2






19. Arrhenius equation






20. 1/[A]=kt + 1/[A]0






21. Loss of electrons - increase in oxidation #






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






23. Spontaneous emission of radiation






24. AP doesn't deal with ...-order reaction - don't pick it!






25. 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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26. All (though really not all - but for our purposes all) ________ compounds are NOT electrolytes






27. [A]0/2k






28. Elements in groups 3-12






29. AX4E2






30. E?s fill the lowest energy orbital first - then work their way up






31. Color of Sr (flame test)






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






33. CrO4²?






34. Ionizes to produce OH- Ions






35. Diatomic Molecules






36. Phase change from gas to solid






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






38. Forward rxn occurs when






39. The heat changed in a chemical reaction.






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






41. Significant Digits of Conversion Factors






42. (organics) one carbon






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






44. 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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45. AX2E - AX2E2






46. Specific heat of water






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






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






49. Each orbital can hold two e?s each w/ opposite spins






50. Group 1 metals







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