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Using the Dry Cell or Leclanche cell Diagram!!. Please write the half reactions (reactions at Anode and Cathode) and net redox reaction and explain the diagram
calculate the weight of potassium chlorate required to prepare 380ml of wet oxygen collected over water at 20degrees
When they specifiy that "Measure out xx mg of the phosphonium chloride salt and the appropriate amount of aldehyde, equivalents with respect to the the phosphonium chloride)
The benzene-toluene system obeys Raoult's law because benzene and toluene molecules have similar shapes and electronic structures
A solution contains .018 mol each of I-, Br-, and Cl-. When the solution is mixed with 200 ml of .24 M AgNo3, what is the [Ag+]? Assume no volume change.
Calculate the Ecell for the reaction below when [Zn2+] = 1.00M, [H+] = 1.00 x 10-6 M and PH2 = 1.00 atm Zn (s) + 2H+ ----> Zn2+ + H2 (g) a.+0.76 V b. + 0.64 V c. + 0.41V d. + 0.053 V e. + 1.12 V
A feed stream containing 2.00 mol/min of butane (C4H10), and a feed stream containing 130.0 mol/min of air are fed into a reactor. The butane combusts completely according to the following reaction.
the boyle temperature is the temperature at which the coefficient b is zero. Therefore, a real gas behaves like an ideal gas at this temperature. (a) Give a physical interpretation of this behavior.
Balance the following equation in acidic solution- H2S(g) + NO3-(aq) ? S8(s) + NO(g) What is the coefficient of water
You take 3.1789 g of a substance and place it into 100.0 g of benzene. The boiling point of this solution is found to be 80.5464 C. What is the approximate molar mass of the substance? Bp of CCl4 is 80.1 C and the Kb is 2.53 C/m
An aqueous solution containing 4.95 g of an optically pure compound was diluted to 300 ml with water and placed in a polarimeter tube 20 cm long. The measured rotation was -3.01 degrees at 25 degrees Celsius. Calculate the specific rotation of the..
The solubility product of Mg(OH)2 is 1.2 x 10-11. What minimum OH- concentration must be attained to decrease the Mg2+ concentration in a solution of MgCl2 to less than 1.0 x 10-9 M.
If 18.26 grams of sulfuric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP?
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