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A student measures the potential of a cell made up with 1M CuSO4 in one solution and 1 M AgNO3 in the other. There is a Cu electrode in the CuSO4 and an Ag electrode in the AgNO3, and the cell is set up as in Figure 32.1. She finds that the potential, or voltage, of the cell, Ecell standard, is 0.45V, and that the Cu electrode is negative. A) At which electrode is oxidation occurring? B)Write the equation for the oxidation reaction. C) Write the equation for the reduction reaction. D) If the potential of the silver, silver ion electrode, E standard sub Ag+, Ag is taken to be 0.000V in oxidation or reduction, what is the value of the potential for the oxidation reaction, E standard sub Cu, Cu2+oxid?
The distribution coefficient, k = (conc. in hexanes/ conc. in water), between hexanes and water for solute A is 7.5 . What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction.
Calculate the bicarbonate and carbonate alkalinities, in mg/L as CaCO3 , of a water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47?
Conjugation of the functional group in alkyl socyanates has little impact on the antisymmetric -N=O stretching vibration located near 2770/cm . Explain.
What conclusions can you draw about the mobility of metals in acidic environments?
Calculate the amount of heat liberated (in kJ) from 375 g of mercury when it cools from 89.2°C to 15.7°C
If 124 mL of 9.50 M nitric acid is diluted to 555 mL, what is the concentration of the diluted solution
Calculate the mass of one oxygen atom and determine the number of oxygen atoms in a 10.00g sample of the element.
What is the pH at the equivalence point when 100.00 mL of a 0.200 M solution of acetic acid (CH3COOH) is titrated with 0.10 M NaOH to its end point?
The results of the experiment supported the hypothesis of semiconservative replication, which was proposed by Watson and Crick.
If the oven uses microwave radiation of wavelength 12.2 cm, how many photons of this radiation are required to heat 1.28 g of water 1.00°C, assuming that all the photons are absorbed?
how many joules are required to melt a 325 degrees Celsius ice cube at 0 degrees Celsius and to warm the liquid to 15 degrees Celsius
Combustion reaction, A fuel has the following weight percentage composition, C = 52%, H = 11%, S = 0%, O = 9%, moisture = 13%, Ash = 15%
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