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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. Universal IMF for nonpolar molecules






2. Point at which vapor pressure=air pressure above






3. A molecule having a center of positive charge and a center of negative charge






4. AX2E - AX2E2






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






6. Boiling point elevation formula






7. #NAME?






8. Releases/gives off heat (negative value)






9. 1/[A]=kt + 1/[A]0






10. If anion ends in -ite - acid name ends in...






11. 1 sigma bond - 1 pi bond






12. 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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13. 6.022x10^23






14. .69/k






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






16. l=3






17. NO3¹?






18. High-energy light






19. Oxidation # of Halogens






20. Average Kinetic Energy Formula






21. ClO4¹?






22. Chemical composition of dry ice






23. Raising heat - adding catalyst - heighten concentration - bigger surface area






24. A measure of randomness or disorder






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






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






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






28. CO3²?






29. Kinetic Energy of an individual particle formula






30. 90°&120° - dsp^3






31. AX3E






32. Weakest IMFs - found in all molecules






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






34. SO3²?






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






36. Electrons in a hydrogen atom move around the nucleus only in circular orbits






37. q H2O = ?






38. Expresses how the concentrations depend on time






39. Molecules' tendency to stick to one another






40. E=mc^2






41. kb of water






42. r=k






43. Assumes that a molecule is composed of atoms that are bound together by sharing pairs of electrons using the atomic orbitals of the bound atoms






44. HCl - HBr - HI - HNO3 - HClO4 - H2SO4






45. Heat capacity formula






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






47. H?+NH3?NH4






48. Amine prefix






49. Color of Ca (flame test)






50. Mols A/ total mols - XA