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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. PV=nRT






2. (organics) double-bonded compound






3. The weight exerted by a column of air or the pressure exerted by the Earth's atmosphere






4. Point where acid completely neutralizes base






5. frequency symbol






6. Colors of Reaction when (Cr2O7 2-) --> (Cr 3+)






7. Happens at lines in phase change charts






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






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






10. Type of system in which the energy and mass may leave or enter






11. A method of investigation involving observation and theory to test scientific hypotheses






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






13. q rxn = ?






14. Molecules' tendency to stick to the container






15. Similar to atomic orbitals - except between molecules






16. Speed of Diffusion/Effusion formula






17. Atomic #






18. Theoretical yield-experimental yield/theoretical yieldx100






19. 90° - d^2sp^3






20. R=






21. Reverse rxn occurs when






22. When more than one valid Lewis structure can be written for a particular molecule; represented by double-headed arrows






23. Mass/volume






24. S²?






25. As protons are added to the nucleus - electrons are similarly added






26. A measure of resistance of an object to a change in its state of motion






27. Carboxylic acid ending






28. Force per unit area






29. Spectrum of light when an electron drops to energy level n=2






30. The chemical formed when an acid donates a proton






31. Mols A/ total mols - XA






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






33. % yield






34. Pressure Units/Conversions






35. Does the same as equilibrium expression - except it uses initial concentrations






36. Molecules' tendency to stick to one another






37. Mixing of gases






38. AX2E - AX2E2






39. A monoatomic cation takes name from...






40. 96 -485 C/mol e-






41. Variable for type of orbital






42. Dirrect Method Formula






43. Cl¹?






44. Atoms with the same number of protons but a different number of neutrons






45. Proton donors






46. 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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47. Ka=[products]^m/[reactants]^n






48. If heat capacity isn't mentioned - you can assume that q of cal is = ?






49. We cannot simultaneously determine an atom's exact path or location






50. 760mmHg/Torr