midterm graphing examples1

# Midterm graphing - Determine the rate constant for this reaction 50 100 150 200 250 300 350 0.0010 0.0100 0.1000 1.0000 f(x = 0.01·1^x R² = 0.98

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time, s C (mol/L) 0.0 0.1 3.2 0.09 6.2 0.08 10.0 0.06 18.3 0.04 30.8 0.02 43.8 0.01 Rate Constant= .0537 The concentration of a reacting compound was observed. This is known to be reaction which follows the form: C = Co e^-kt where Co is a constant and k is constant for the reaction. Determine the rate constant for this reaction. 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 0 0.02 0.04 0.06 0.08 0.1 0.12 f(x) = 0.11·0.95^x R² = 1 C vs. Time Time, s C, mol/L

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a 2nd order s the rate 40.0 45.0 50.0
time,t (s) C (mol/L) 0 0.0100 50 0.0079 100 0.0065 200 0.0048 300 0.0038 Rate Constant= -.0032 The concentration of a reacting compound was observed. This is known to be a 2nd order reaction which follows the form: 1/C = 1/Co + kt where Co is the concentration at t=0 and k is the rate constant for the reaction.

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Unformatted text preview: Determine the rate constant for this reaction. 50 100 150 200 250 300 350 0.0010 0.0100 0.1000 1.0000 f(x) = 0.01·1^x R² = 0.98 C vs. Time Time, s C, mol/L time, s voltage, V 0.0 100 0.5 62 1.0 38 1.5 21 2.0 13 2.5 7 3.0 4 3.5 3 4.0 2-1.0112=-1/RC Capacitance=.0099 karads The voltage of a RC circuit was observed periodically after the power supply was removed. The voltage is known to change following the form V = b e ^-t/RC, where V(0) is the voltage at t=0s. If the resistance of this circuit is 100 kohms, what is the capacitance? 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 20 40 60 80 100 120 f(x) = 98.43·0.36^x R² = 1 V vs. Time Time, s V, voltage...
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## This note was uploaded on 03/30/2010 for the course EE 140 taught by Professor Fitzpatric during the Spring '10 term at Vanderbilt.

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Midterm graphing - Determine the rate constant for this reaction 50 100 150 200 250 300 350 0.0010 0.0100 0.1000 1.0000 f(x = 0.01·1^x R² = 0.98

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