Chem 107 exam 1 (6 7 8 9)

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legendairy1@markj.us
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7414
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Chem 107 exam 1 (6 7 8 9)
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2010-02-19 18:05:00
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Chem 107 exam 1 experiment 6 7 8 9
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Chem 107 exam 1 experiment 6 7 8 9
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  1. Experiment 6
    Thermochemistry, heat changes
  2. what are the equations
    ∆H=HC x ∆T
  3. Experiment 7
    Gases volume released
  4. R = ? in PV=nRT
    .08206
  5. Experiment 8
    Titrations / calibrations
  6. molarity of final is
    see sheet
  7. volume delivered is
    mass x 1.0009 / density = volume delivered
  8. Experiment 9
    Reaction rates
  9. exp 9 equation for final MV
    MV=MstockVadded
  10. exp 9 equation for rate
    rate = .5 [S2O3 (2-)] / t
  11. exp 9 arraineus equation
    ln(k) = -Ea/(RT) + ln(A)
  12. exp 9 arrhenius equation graph
    a plot of ln(k) versus 1/T gives a straight line, slope equal to -Ea/R

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