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Copy of Reactivity Series (lab 14)

# Copy of Reactivity Series (lab 14) - Nehal Swami 05...

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Nehal Swami 05 0.500 1.000 1.500 2.000 2.500 3.000 3.500 4.000 4.500 0 0.01 0.01 0.02 0.02 0.03 0.03 0.04 0.04 f(x) = 0.01x + 0.01 R² = 0.99 Voltage (volts) vs. -ln(C1/C2) -ln(C1/C2) Voltage (Volts)

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Nehal Swami 05 0.0000 0.0050 0.0100 0.0150 0.0200 0.0250 0.0000 0.2000 0.4000 0.6000 0.8000 1.0000 1.2000 f(x) = 49.97x + 0.01 R² = 1 Absorbance vs. Molarity Molarity of copper (moles/L) Absorbance (620 nm)
Section: 05 Part Two: Number of times voltages metal in this row was Relative activity of metal Metal the cathode (positive pole) (most active = 1, least active = 5) Ag|Ag+ ----------- 1.29 0.89 0.41 3 4 ----------- 0.36 0.84 0 1 ----------- 0.49 1 2 ----------- 2 3 Part Three: 1.000 Initial Buret Final Buret total volume Molarity of Cell potential Trial reading reading used of solution test solution (in Volts) -ln(c1/c2) formula used final-initial (D\$17*E26)/F26 1 25.50 26.00 0.50 25.0 0.02 0.04 3.912 2 26.00 27.00 1.00 25.0 0.04 0.03 3.219 3 27.00 29.00 2.00 25.0 0.08 0.03 2.526 4 29.00 34.00 5.00 25.0 0.20 0.02 1.609 5 34.00 42.00 8.00 25.0 0.32 0.0140 1.139 6 42.00 52.00 10.00 25.0 0.40 0.01 0.916 slope intercept rsq R 8.31 J/mol K Formula use =SLOPE(H22:H27,I22:I27) '=INTERCEPT(H22:H27,I22:I27) '=RSQ(H22:H27,I22:I27) Temp 294.4 K values 0.0077 0.0064 0.990 value formula used Calculated value for Faraday's constant: 1.581E+05 =(I30*I29)/(C31*2) Part Four: 0.05 Initial Buret Final Buret total volume Molarity of % T of Trial reading reading used

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