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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) D 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) D Fe3+ (aq) + I2 (aq) 4. Calculate DG° 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.
Co(H2O)62+(aq)+4Cl?(aq), which interconverts the blue CoCl42? ion and the pink Co(H2O)62+ ion. Will the equilibrium concentration of CoCl42? increase or decrease when the following changes occur?
The following compound has two stereoisomers. One has a dipole of 0 D, and the other has a dipole moment of 2.95 D. Draw the structure of the stereoisomer with dipole moment of 2.95 D
A reaction mixture initially contains .56 atm CO2 and .32 atm CO. what is the equilibrium pressure of CO
Carbon monoxide gas reacts with hydrogen gas at elevated temperatures to form methanol according to this equation. CO(g) + 2 H2(g) CH3OH (g)
How many moles of nitrogen are required to fill a 3.50 L tank at 25.0 oC to a final pressure of 8.74 atm
C2H4 + 3O2 = 2CO2 + 2H2O if you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced.
calculate the theoretical mass of ca2 ion in one tablet in grams if there is 750 mg caco3 and 320mg calcium per tablet.
Calculate the pH of each of the following solutions. (a) 0.500 M HONH2 (Kb = 1.1 10-8) (b) 0.500 M HONH3Cl
At 25 degrees celcius a sample of NH3 effuses at a rate of .050 mole per minute. Under the same conditions, which gas effuses at approximately one-half that rate?
what weight of a can be removed from a soluton that contains 6.00 grams of a in 50.0-mls of water by a single
a student calculates the density of iron as 5.72 gcm3 by using lab data for mass and volume. a handbook reveals that
The reference electrode is attached to the positive terminal of the potentiometer, and the silver electrode is attached to the negative terminal. The solubility constant of TlBr is Ksp = 3.6 × 10-6 and the solubility constant of AgBr is Ksp = 5.0 ..
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