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A voltaic cell is constructed with two silver-silver chloride electrodes, each of which is based on the following half-reaction: AgCl(s) + e- ---> Ag(s) + Cl-(aq). The two half-cells have [Cl-] = 0.0150 M and [Cl-] = 2.55 M, respectively. (a) which electrode is the cathode of the cell? (b) what is the standard emf of the cell? (c)what is the cell emf for the concentration given? (d) For each electrode, predict whether [Cl-] will increase, decrease, or stay the same as the cell operates.
At a local convince store, you purchase a cup of coffe, but at 98.4 degree, it is too hot to drink. You add 47.7g ice that is -2.2 dgree to the 248ml of coffe. What is the final temperatuer of the coffee.
Determine the number of bonding electrons and the number of nonbonding electrons in the structure of XeF2
What method will you utilize to remove the organic liquid from the naphthalene? What is the name of the organic liquid being removedand why does this method work?
There is a vehicle accident containing a 2000 Ci source of Co-60 that you believe the container has been damaged and the Co-60 is exposed.
What is the percent-yield of H2 In the reaction below when an equimolar mixture of CH4 and CO2 with an initial total pressure of 20.0 atm reaches equilibrium at 1200. K, at which Kp = 3.548 x 106
Zinc reacts with hydrocholric acid according to the reaction equation. Zn(s) + 2HCl(aq) arrow ZnCl2(aq) + H2(g) How many milliliters of 2.50 M HCl(aq) are required to react with 7.5 g of Zn(s)
One of the differences between a voltaic cell and an electrolytic cell is that in an electrolytic cell,
What is the atomic mass of an atom if its mass is approximately equal to the following?
The ΔG° for conversion of "axial" chlorocyclohexane to "equatorial" chlorocyclohexane at 25 °C is -0.52 kcal/mol. Calculate the percentage of chlorocyclohexane molecules that have the fluoro substituent in an equatorial position at equilibrium...
Hydrogen iodide can decompose into hydrogen and iodine gases. 2 HI(g) f H2(g) + I2(g) Kp = 0.016 If 0.820 atm HI(g) is sealed in a flask, what is the pressure of each gas when equilibrium is established
After equilibration GC analysis of octanol phase shows component concentration of 0.4 M. What is the partitioning coefficient of this component? (Octanol/water partitioning coefficient expressed as K = Coct/ Cwater)
Study the following set of ionization energy values for a certain element. Explain how many valence electrons does an atom of the neutral element possess
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