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Provide three balanced chemical equations that will precipitate Pb2+ from a solution. Exclude substances containing chloride or chromate ions
write a complete and balanced molecular equation and identify the precipitate that forms when aqueous solutions NaOH and Cu(NO3)2 are mixed and identify all phases.
Calculate the heat of formation of propane given the heat of formation of H2O (liquid) is -285.3 kJ/mol and the heat of formation of CO2 is -393.5 kJ/mol.
How many litersof hydrogen gas will be produced by the decomposition of 90 L of water
Acetic acid is produced on a large scale by the carbonylation of methanol at about 500 K and 25 bar using a rhodium catalyst
When heated, calcium carbonate decomposes to yield calcium oxide and carbon dioxide via the reaction:CaCO3(s)----> CaO(s) + CO2(g)
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas. What is the most likely molecular formula of this oxide?
At a certain concentration of reactants the rate of appearance of water in the following reaction is 0.43 M/s.
C3H8O3 (density=1.26 g cm-3) is added to a kilogram of water. What is the mole fraction C3H8O3 in the solution?
At a given temperature, what relationship appears to exist between a gas particle's mass and its speed
Calculate the wavelength of the n=4 to n=1 and the n=4 to n=3 transitions. Indicate in which regions of the electromagnetic spectrum these transitions would occur.
Calculate the concentrations of all species in a 0.260 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
Fractional distillation was applied to separate a mixture of water and methanol. The same method was also applied to separate a mixture of carbon tetrachloride and toluene, using the same fractionating apparatus
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