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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. Significant Digits of counted things






2. l=3






3. Stronger IMF= lower... weaker IMF= higher...






4. (organics) six carbons






5. Solid to gas






6. Substances w/ critical temperatures below 25°C






7. Cr2O7²?






8. Mol/L - concentration of a solution






9. A given compound always has exactly the same proportion of elements by mass






10. Color of Li (flame test)






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






12. A monoatomic cation takes name from...






13. ClO4¹?






14. K






15. When n=5 ->2 - color=






16. IMF that exists in polar molecules






17. Change that occurs at constant temperature






18. Passage of gas through tiny orifice






19. The intermolecular attractions resulting from the constant motion of electrons and the creation of instantaneous dipoles






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






21. A solid or gas that can be formed when 2 or more aqueous reactants come together






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






23. Oxidation # of Compounds






24. Calculation from K to C






25. Tools NEEDED for dilution






26. Combined Gas Law Formula






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






28. Polyatomic Ions (bonding)






29. Molecules' tendency to stick to one another






30. Puts OH? into solution






31. Symbol for Total Heat absorbed or released






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






33. ?T=k*m(solute)






34. Within a sublevel - place one e? per orbital before pairing them

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35. Cation first - anion second






36. Occupies the space above and below a sigma bond






37. NO3¹?






38. Amine prefix






39. AX3E2






40. A measure of randomness or disorder






41. C2H3O2¹?






42. Heat capacity formula






43. A device used to measure Delta H






44. J/°Cg or J/Kg






45. Ester suffix






46. Describe various properties of one orbital






47. 1.Calculate moles of each atom in molecule 2.Divide each mole number by smallest mole number 3.If necessary - multiply every mole number to get a whole number 4.Moles of each atom is subscript in empirical formula






48. Bomb Calorimeter






49. (msubs) Can only be +1/2 or -1/2






50. All forms of energy except for heat






Can you answer 50 questions in 15 minutes?



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