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A constant current of 119.0 A is passed through an electrolytic cell having an impure copper anode, a pure copper cathode, and an aqueous CuSO4 electrolyte.
How many kilograms of copper are refined by transfer from the anode to the cathode in a 27.0 h period?
Carbon dioxide and water form during combustion of propane. How many grams of water vapor form when 5.39 g of propane react
what products would you expect to obtain in the reaction of alpha-naphthaldehyde with koh? write a detailed reaction
Calculate the percent ionization of nitrous acid in a solution that is 0.230 M in nitrous acid (HNO2) and 0.270 M in potassium nitrite (KNO2).
Draw a reaction mechanism for the reaction between 1-bromobutane and sodium t-butoxide( 2-methyl-2-propoxide). also identify the rate determining stepand use curved arrows
If the following reaction occurs, then what temperature will the water reach, assuming that the cup is a perfect insulator and that the cup absorbs only a negligible amount of heat
A metal, M, was converted to the chloride, MCl2. Then a solution of the chloride was treated with silver nitrate to give silver chloride crystals, which were filtered from the solution
The heat capacity of copper is 0.382 J/g C. A 22.6 g sample of copper at 93 C is placed in 50 g of water at 23.9 C. What is the final temperature of the system
The rotation constant for H2 is 60.80 cm-1 the harmonic frequency is 4395.3 cm-1 and the anharmonicity constant is 117.90 cm-1. calculate the frequency at which the Q branch first overtone will be found.
Calculate the amount of energy in kilojoules needed to change 135 of water ice at -10 degrees Celsius to steam at 125 degrees Celsius.
Calculate the molar mass (g/mol) of the element to three significant figures.
Atmospheric pressure was 744.6 mmHg. Calculate the value of R from this experiment. The vapor pressure of water at 21 degrees Celsius is 18.7 mmHg.
A solution of sodium nitrate, NaNO3, in water is 5.181 molar and its density is 1.2680 g mL-1. Calculate the percent, by weight, of sodium nitrate in the solution.
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