For silica refractories the corrosion rate is 1.9x10^-7 m/s at 1345 Celsius and 9.1x10^-7 m/s at 1510 Celsius. Calculate the activation energy for the corrosion of these silica refractories in kJ/mol.

How long would it take to electrodeposit all the Cu2+ in 0.200 L of 0.210 M CuSO4 solution with an applied potential difference of 0.255 V and a current of 3.10 amperes? Enter your answer in minutes.

You make a voltaic cell with copper and aluminum. If the cell potential is measured to be +2.50 V at room temperature, then what is the reaction quotient?

Calculate the cell potential of a cell composed of a cathode consisting of a Co wire immersed in a 1.44 M Co²+ solution and an anode consisting of a Co wire immersed in a 5.60×10-5 M Co²+ solution. Assume the temperature of the solutions is 298 K. Cell potential: V

A fluoride ISE immersed in 1 x 10•2 mol dm solution of sodium fluoride gives a potential of 35,2 mV and when it is immersed in a tooth paste solution it gives a potential of 30,2 mV. What is the concentration of fluoride ion in the toothpaste?

Determine the cell potential (in volts) of a standard galvanic cell constructed using iron and lead metals and their associated solutions, 1M FeSO4 and 1M PbSO4.

Predict which species will be oxidized and which will be reduced in a molten salt mixture that contains CdI2, NaOH, and AlCI3. Cd2+(aq)  +  2e  →  Cd(s)                                        Eored = – 0.40 V I2(s)  +  2e  →  2 I–(aq)                                            Eored = + 0.54 V Na+(aq)  +  1e  →  Na(s)                                         Eored = – 2.71 V Cl2(g)  +  2e  →  2 Cl–(aq)                                       Eored = + 1.36 V Al3+(aq)  +  3e  →  Al(s)                                          Eored = – 1.66 V O2(g)  +  2 H2O(l)  +  4e  →  4 OH–(aq)                  Eored = + 0.40 V     which is oxidized    which is reduced

7) How long would it take to electrodeposit all the Cu2+ in 0.250 L of 0.210 M CuSO4 solution with an applied potential difference of 0.295 V and a current of 3.00 amperes? Enter your answer in minutes.

What mass of rhodium (Rh) metal will be deposited from a solution of Rh3+ ions by running electrical current through the solution at 0.500 A for 120.0 minutes?