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






2. The driving force for a spontaneous is an increase in entropy of the universe






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






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






5. (N) number of equivalents per liter of solution






6. Pure metal or metal hydride + H20 ->






7. Nonmetal oxide + H2O ->






8. Substance in which something is dissolved in a solution (higher [ ])






9. Ether prefix






10. The weighted average of all the isotopes that an atom can have (in g/mol)






11. The reactant in the reduction reaction that forces the oxidation reaction to occur






12. AX4E2






13. Molarity (M)






14. Has values from -l to l - including zero; tells orientation of the orbital relative to other orbitals






15. Variable for type of orbital






16. R in instances that pertain to energy






17. # bonding e- - # antibonding e-/2






18. Polyatomic Ions (bonding)






19. Average Kinetic Energy Formula






20. Point at which solid?liquid occurs






21. q rxn = ?






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






23. (organics) one carbon






24. Point at which the titrated solution changes color






25. Energy needed to vaporize a mole of a liquid






26. Connects the 2 half cells in a voltaic cell






27. 109.5° - sp^3






28. Substance being dissolved in a solution (lower [ ])






29. Symbol for the heat absorbed or lost molecularly (PER MOLE)






30. CN¹?






31. l=2






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






33. (organics) two carbons






34. Energy needed to break a bond






35. Osmotic pressure formula






36. (organics) five carbons






37. Puts OH? into solution






38. kf of water






39. Mass reactants= mass products






40. The reactant that is being oxidized - brings about reduction






41. Molecules' tendency to stick to one another






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






43. Universal IMF for nonpolar molecules






44. When _____ significant digits - round answer to least significant digit






45. 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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46. IMF that exists in polar molecules






47. Amount of gravitational force exerted on an object






48. 101 -325 Pa






49. In ideal gas law problem - when it says "atmospheric" ...






50. kb of water