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Metallic copper can be made by the electrolysis of molten CuO. (a) What mass of Cu is formed by passing a current of 7.09 A through molten CuO for 1.00 days? The unbalanced chemical reaction representing this electrolysis is shown below. CuO Cu + O2 g of Cu is formed by this electrolysis. (b) How many minutes are needed to plate out 20.00 g of Cu from molten CuO using 8.29 A current? minutes are needed.
Write the structure of the product obtained when cyclohexane is used to decolorize bromine-containing solutions
what does FU mean in stoichiometry?
A compound is found to contain 64.80 % carbon, 13.62 % hydrogen, and 21.58 % oxygen by weight. What is the empirical formula for this compound
What is the change in internal energy (in J) of a system that releases 840 J of thermal energy to its surroundings and has 119 cal of work done on it? can you show work please the anser is -342
Why is a large steroid molecule able to cross the cell membrane when a small molecule cannot?
The compound MgI2 times XH2O is analyzed to determine the value of X. A 1.557-g sample of the compound is heated to remove all the water, 1.0254 g of MgI2 remains
Carbonyl fluoride, , is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, via the reaction
report the total heat needed and the heat needed for each individual step in the process.
Dichloromethane is produced from two successive chlorination reactions: the chlorination of methane to methyl chloride followed by the chlorination of methyl chloride to dichloromethane
D-xylose residues are present in the greatest amount and are attached by ß (1->4) glycosidic bonds. Draw the structure of a disaccharide consisting of D-xylose
Ideally what should the ratio between the three slopes (AlCl3 slope= 483.0 , CaCl2 slope= 421.4, and NaCl slope= 181.9) be? What are your actual experimental ratios?
74.0 mL of a 1.80 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 179 mL of water. What is the final concentration.
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