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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. Solution used in titration






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






3. Half cell in which reduction occurs






4. Resistance to flow






5. Generally insoluble anions (names)






6. Raoult's Law - relations between vapor pressure and concentrations






7. Newton's Second Law






8. Mol of solute/kg of solvent






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






10. Amount of heat needed to change a system by 1°C






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






12. When two elements form a series of compounds - the ratios of the masses of the second element that combine with 1g of the first element can always be reduced to whole numbers






13. Positive enthalpy - heat flows into system






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






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






16. Releases/gives off heat (negative value)






17. Type of system in which the energy may escape - but the mass is conserved






18. x can be ignored when % ionization is <5%






19. If Q>Ksp






20. Specific heat of water






21. Mass percent






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






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






24. Change without heat transfer between the system and its surroundings






25. Change in Energy (AE) = ? (in terms of work)






26. (organics) five carbons






27. Where oxidation occurs






28. States molecules at a given temp. vary in kinetic energy along a bell-curve of molecular velocities






29. SO3²?






30. [A]0/2k






31. Measure of the change in enthalpy






32. IMF that occurs with FON






33. R=






34. Force per unit area






35. Organic reaction in which two functional groups come together - resulting in the release of water






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






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






38. Matter can't be created nor destroyed






39. Actual Yield/Theoretical Yield*100%






40. Different form of same element






41. AX3






42. PO4³?






43. Increase Pressure






44. Negative enthalpy - heat flows into surroundings






45. Energy can't be created nor destroyed






46. AX4






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






48. All _________ compounds are electrolytes






49. 0.00°C - 1 atm






50. In a given atom no two electrons can have the same set of four quantum numbers







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