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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. Temperature-pressure point after which gas can no longer form liquid






2. Cation first - anion second






3. Kinetic Energy is proportional to ______






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






5. AX3E2






6. Reverse rxn occurs when






7. In a titration - the point where moles of acid are equal to moles of base (just before the indicator changes color)






8. 101 -325 Pa






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






10. l=1






11. Proton (symbol)






12. Force acting over distance






13. H?+NH3?NH4






14. Mass percent






15. Arrhenius equation






16. #NAME?






17. (organics) triple-bonded compound






18. E=mc^2






19. Measure of the change in enthalpy






20. A device in which chemical energy is changed to electrical energy






21. The measurement of heat changes






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






23. Donates a single H+ Ion (... other prefixes also)






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






25. Group 1 metals






26. ClO4¹?






27. Heat required to raise the system 1°C






28. In covalent bonds - prefixes are used to tell...






29. In a titration - the point where the indicator changes (just after moles of solid are equal to moles of base)






30. Boiling point elevation formula






31. Consists of a complex ion - a transition metal with attached ligands - and counterions






32. Uses a spontaneous redox rxn to generate electrical energy - consists of 2 half cells






33. A solution that resists a change in its pH






34. The entropy of a pure perfectly formed crystal @0K is 0






35. Color of K (flame test)






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






37. ?Hsoln=?H1+?H2+?H3+...






38. Heat capacity formula






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






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






41. Reactant which doesn't get used up completely in a chemical reaction






42. Increase Pressure






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






44. Volume of gas @STP






45. Weakest IMFs - found in all molecules






46. Force that holds atoms together






47. Tools NEEDED for dilution






48. Ptotal=Pa+Pb+Pc....

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49. 0°C and 1 atm






50. Universal IMF for nonpolar molecules