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Although coals is a complex mixture of substances, its elemntal composition can be approximated by the formula C135H96O9NS. Using this formula predict the amount of CO2 released from the combustion of 1.00 x 10^6 metric tons of coal. 1 metric ton = 1 x 10^3kg
The paint formerly used on some storage tanks contained aluminum powder, which reflected heat from the surface of the tanks. Why did experts recommend grounding these tanks and storing only noncombustible material in them
During a period of discharge of a lead-acid battery, 404 g of Pb} from the anode is converted into PbSO_4 (s). What mass of PbO_2 (s) is reduced at the cathode during this same period. Also How many coulombs of electrical charge are transferred fro..
what is the final volume of a 400.0 ml gas sample that is subjected to a temperature change from 22.0 degrees C to 30.0 degrees C and a pressure change from 760 mm Hg to 360 mm Hg
A bottle of 5.5 M acid has 21.3 mL remaining in it. If the acid is diluted to 700 mL, what is the new concentration of the acid?
How many grams of HCl are in a quart of muriatic acid? The muriatic acid density is 1.18 g/mL and is typically 36.5% HCl by mass.
Calculate the molarity (mol/L) of Mn2+ when MnS is placed in a 0.0179 M (NH4)2S solution. The equation represents the solubility process.
calculated was contained in 23.80 mL of KMnO4 solution. calculate the molarity of the KMnO4 solution.
Give equations to show how sulfuric acid can convert 4-methyl cyclohexene into a mixture of four isomeric c7H12 compounds(including starting material). Predict the relative amounts of each isomer.
The reaction of pure (S)-2-chlorobutane with sodium cyanide in dimethylsulfoxide produces pure (R)-2-cyanobutane. Explain why a racemic mixture is not expected for this reaction if it occurs via an Sn2 mechanism.
A common reaction is when two polyatomic ions or compounds of the same element in water combine to form a single chemical with an intermediate oxidation state - this called a comportionation reaction.
Determine the enthalpy change deltaH for the reaction at 298 K B. Determine deltaS surr for the reaction C. Determine deltaS sys for the reaction D. Determine deltaG for this reaction. Will this reaction be spontaneous
in experiment to find emperical formula of magnesium oxide, why the empty crucible and cover fired to red?
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