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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. Delta H (AH) = ?






2. NO3¹?






3. 0°C and 1 atm






4. When n=4 ->2 - color=






5. Bond bond in which atoms aren't so different that electrons are completely transferred but are different enough that unequal sharing occurs






6. l=0






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






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






9. What is defined by you taken from the whole universe






10. Everything in the universe that is not defined by you as part of the system






11. Liquid to solid






12. Oxidation # of Hydrogen






13. E=mc^2






14. The total entropy is always increasing - all systems tend towards maximum entropy






15. Gas to solid






16. I¹?






17. (N) number of equivalents per liter of solution






18. Releases/gives off heat (negative value)






19. AX3






20. #NAME?






21. AX5E






22. Nonmetal oxide + H2O ->






23. High-speed electrons






24. Absorbs/takes in heat (positive value)






25. All forms of energy except for heat






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






27. The lowest energy configuration for an atom is the one having the max number of unpaired electrons allowed by the Pauli principle in a set of degenerate orbitals

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28. If a system @equilibrium is stressed - the system will shift so as to reestablish equilibrium

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29. neutron (symbol)






30. n+m (these are orders of reactants)






31. How to Find an Empirical Formula Given Grams






32. Elements on staircase on periodic table






33. Matter can't be created nor destroyed






34. Substance being dissolved in a solution (lower [ ])






35. BrO3¹?






36. AX4E2






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






38. Carbon - hydrogen - oxygen compounds






39. Carbon & hydrogen compounds






40. Molarity (M)






41. Molecules' tendency to stick to one another






42. Half cell in which oxidation occurs






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






44. ... compounds are most conductive






45. Symbol for Enthalpy






46. IMF that exists in polar molecules






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






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

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49. Has values 1 -2 -3 -...; tells energy levels






50. q cal = ?