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Which one of the following cell combinations would best be used to set up a cell with a potential of 0.50V by adjusting the half-cell ion concentrations?
[Ecell = 0.50V = Eocell - 0.0591/n * log(Q)]
The land area of Greenland is 840,000 mi2 with 132,000 mi2 free of ice. The average thickness of ice is 5000 ft. The density of the ice is 0.917 g/ml. Calculate the mass of ice in tons
Draw the Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
Suppose that you have a supply of each of the acids listed in Table 11.1 and each of the bases listed in Table 11.2, as well as 1.00 M HCl solution and 1.00 M NaOH solution.
Air is approximately 80% nitrogen and 20% oxygen by volume, what is density of air at 273 K and 1 atmosphere? And at a altitude of 2550 ft would density of air be higher or lower, why
400 ml of .50 M HNO3 is added to 200 ml of water. if 100% dissociation occurs, find the resulting pH.
for the reaction Mg+2HCl yeilds H2+MgCl2, calculate the percentage yield of magnesium chloride if 100.g of magnesium react with excess hydrochloric acid to yield 330.g of magnesium cholride.
compressed reversibly and adiabatically until the temperature reaches 250K. Given that its molar constant-volume heat capacity is 27.5J/Kmol, calculate final pressure and final volume.
Which of the following has the smallest mass?
Calculate the concentration of Ca2 at V = 1/2 Ve. (d) Calculate the concentration of Ca2 at V = Ve. (e) Calculate the concentration of Ca2 at V = 1.1 Ve.
What is the value of the rate constant for this reaction, what it the half life of the reaction under the conditions of this experiment
draw the structure of the expected dichlorocarbene adduct of methyl methacrylate. another product could have been obtained. It is the chloroform adduct to the double bond (Michael type reaction). what would this structure look like.
Find delta E, delta H, q, and w for the change in state of 1.0 mol H2O(l) at 84 degree C to H2O(g) at 109 degree C. The heat capacity of H2O(l)= 75.3 J/molK, heat capacity of H2O(g)= 25.0 J/molK, and the heat of vaporization of H2O is 40700 J/mol ..
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