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Question- 1. Calculate ?G?rxn and E?cell for a redox reaction with n = 3 that has an equilibrium constant of K= 30.
2. A Cu/Cu2+ concentration cell has a voltage of 0.22V at 25 ?C. The concentration of Cu2+ in one of the half-cells is 1.4×10?3M . What is the concentration of Cu2+ in the other half-cell?
3. The cell potential of the following electrochemical cell depends on the pH of the solution in the anode half-cell:Pt(s)|H2(g,1atm)|H+(aq,?M)||Cu2+(aq,1.0M)|Cu(s).
What is the pH of the solution if Ecell is 350mV ?
4.If a water electrolysis cell operates at a current of 8.0A , how long will it take to generate 27.0L of hydrogen gas at a pressure of 27.0atm and a temperature of 26?C?
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the method of initial rates involves substituting the initial reactant concentrations into rate calculations. when you
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