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Question- Aluminum metal is formed by the electrolysis of Ah03 in molten cryolite. How many grams of Alare produced when 6.50 x 103 C pass through the cell?
I need help for above question. Show each steps for the above problem.
What are the flight times of the singally and doubly-protonated ion forms of a 1735.4 Da peptide accelerated by a potential of 25.00 kV
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields 16.01 mg CO2 and 4.37 mg H20.
Depict all the stereoisomers of the subsequent and include the relationship between each stereoisomer (That is enantiomer, meso-compound, diasteromer)
An electron in the n=7 level of the hydrogen atom relaxes to a lower energy level, emitting light of 93.1nm. What is the value of n for the level to which the electron relaxed
A Si wafer is treated in phosphorus vapor at 1000o C so that the phosphorus concentration at the surface is kept at the solubility limit of 1021/cm3.
Aluminum and oxygen react according to the following equation: 4 Al (s) + 3 O2 (g) → 2 Al2O3 (s) What mass of Al2O3, in grams, can be made by reacting 4.6 g Al with excess oxygen
The molar heat capacity of silver is 25.35J/mol C. How much energy would it take to raise the temperature of 9.70g of silver by 19.2C
Chlorine gas can be made in the laboratory by the reaction of hydrochloric acid and manganese (IV) oxide.
the freezing point of a solution containing 4.12 g of unknown solute in 100 g of camphor is 166.2 c. camphor has kf
A 300mL water sample has an initial pH of 10. 40mL of 0.02 N H2SO4 were required to titrate the water sample to pH 4.5. What is the total alkalinity of water in mg/L as CaCO3
Add electron pairs to show the bonds between the atoms. Assigning the remaining valence electrons so that each atom has an octet of electrons, write the Lewis structure for COCl2 in the box.
Draw the lewis structures for these ions, and show which atom in each bears the formal charge. a.) CH3NH3+ b.)CO3,2- c.) OH-
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