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Problem- A current of 3.37A is passed through a Pb(NO3)2 solution for 1.70 hours. How much lead is plated out of the solution?
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If 101 g of CaO and 261 g of NH4Cl are mixed, what is the maximum possible yield of NH3?What mass of the excess reactant remains after the maximum amount of ammonia has been formed?
Consider the titration of 100ml of .100M H2NNH2 (Kb=3.0*10^-6) by .200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added
Define what this value means in terms of the base strength of aniline in water. Will aniline appear to be stronger or weaker base in acetic acid as a solvent compared to water as the solvent. Explain.
Draw the product that is formed when the compound shown below is treated with an excess of hydrogen gas and a platinum catalyst.
Needed to synthesize the ester, butyl butanoate, which is responsible for the scent of the pineapple in the lab. Depict the skeletal structure of the indicated species below you would use to make yours cent.
An electric power station burns 5.0 ´ 105 tons [1 ton = 2000 lbs] of coal annually. Assuming that the coal is 100% carbon, calculate the volume of CO2 emitted at STP by this power plant annually. [1 lb = 453.6 g].
Ice at 0.0° C is mixed with 9.00 102 mL of water at 23.0° C. How much ice must melt to lower the water temperature to 0.0° C
What length of time (minutes) would be required to plate 12.25 g of nickel from a NiCl2(aq) solution?
Li2S is pictured n the text on .553. The length of the unit cel i 5.88 x 10^2 pm. For this structure determine: the coordination numbers of Li + and S2-
Phosphoric Acid, H3PO4(aq) is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH and the concentrations(M) of all species in a 0.450 M phosphoric acid solution.
one mole of a monatomic idealgas is expanded reversibly and adiabatically from an initial statep11atm v110 l to a final
what refinements had to be made in daltons atomic theory to account for gay-lussacs results on the combining volume of
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