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Explain a current of 4.54 A is pass through a Pb(NO3)2 solution for 1.50 hours. Explain how much lead is plated out of the solution?
a platinum electrode is immersed into an aqueous solution of 1m nacl ph7 that issaturated with n2g at s.t.p. i.e.
Aqueous hydrobromic acid will react with solid sodium hydroxide to produce aqueous sodium bromide and liquid water . Suppose 36.4 g of hydrobromic acid is mixed with 5.9 g of sodium hydroxide.
Write a balanced chemical equation for the reaction of HNO3 with S to form H2SO4, H2O and NO2. How many moles of HNO3 and H2O are there
Define the differences observed in the IR and NMR spectra of the starting material (p-anisaldehyde and acetophenone) and product (trans-p-anisalacetophenone) that are reliable with the formation of the latter in the experiment of synthesizing
the first ionization energy of bismuth is erm i1 703 rm kjmol. what is the longest possible wavelength of light that
Assuming that the solution volume remains constant at 125mL. find the molarity of the final KBr solution?
a diatomic gas at high temperature shows a series of vibrational absorptions. by accident some of the data are lost but
Calculate energy emitted by an electron in the 8th energylevel relaxing to the 2nd enegy le el in a Be ^3+ ion. Calculate enegy emitted by electron in the 8th energy level relaxing to the 2nd level in a Be atom
draw structures of the active sites of the deoxy and oxy form of hemerythrin showing the complete ligands attached to
A researcher studying the nutritional value of a new candy places a 5.30-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen.
Putrescine is a compound that is partially responsible for the rotten smell of decaying flesh. It consists of 54.50% C, 13.73% H, and 31.77% N. What is the empirical formula of putrescine?
how many grams of h2o will be formed when 32.0 g h2 is mixed with 32.0 g o2 and allowed to react to form water?a 36.0
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