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Part III. Redox and Thermodynamics 1. Sketch galvanic cells based on the following overall reactions. Show the direction of electron flow, the direction of ion movement through the salt bridge, and identify the cathode and anode. Give the overall balanced reaction. Assume that all concentrations are 1.0 M and that all partial pressures are 1.0 atm. IO3- (aq) + Fe2+ (aq) ? Fe3+ (aq) + I2 (aq) 2. Write the standard line notation for the cell in Part III Question #1. 3. Calculate the E°cell values for the galvanic cell in Question #1. IO3- (aq) + Fe2+ (aq) ? Fe3+ (aq) + I2 (aq) 4. Calculate ?G° at 25 °C for the reaction in Part III Question #1. 5. Assume that the reaction is at equilibrium at 25 °C (under standard conditions. Calculate the equilibrium constant K.
If the minimum amount of solvent is recrystallized at 12.8 g by heating it to 70 C and sampling it in an ice water bath what is the minimum percent recovery of the recrystallized material?
the decomposition of n2o5 in solution in carbon tetrachloride proceeds via the reactionnbsp2 n2o5 soln rarr 4 no2 soln
A 82.2 g sample of dinitrogen monoxide is confined in a 3.2 L vessel. What is the pressure (in atm) at 115°C?
what product and how much of it would you obtain if you heated 1.0mL of ethanol with 2.0 mL of glacial acetic acid in the presence of a few drops of sulfuric acid?
Calculate the molarity of 500.0 cm3 of solution containing 18.5 g of calcium nitrate Ca(NO3)2
A mixture of nitrogen and hydrogen was allowed to come to equilibrium at a given temperature according to 3H2+N2 2NH3. At equilibrium, the mixture contained
determine the initial concentration - Constant rate is 3.20×10-4 M/s for a zero-order reaction. concentration has dropped to 9.00×10-2 M after 60.0 seconds
calculate a value for the equilibrium constant for the reaction below. hint when reactions are added together the
a) How many pi bonds are in a molecule of N2. b)What is the hybridization of the NItrogen
Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol.
Acid chlorides are used as electrophiles in the Friedel-Crafts reaction to prepare aromatic ketones. The reaction involves the transfer of an aromatic hydrocarbon with an acyl chloride in the presence of a lewis acid
Which of the following is an experimental fact that valence bond theory cannot explain, but molecular orbital theory can? the paramagnetism observed for O2 the N-N bond order in N2 the rotational barrier about the C-C bond in ethylene the existenc..
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