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A compound of iodine and cesium contains 63.05 g of metal and 67.75 g of nonmetal. How many grams of cesium are in 32.56 g of compound? How many grams of iodine?
The bromination solution is prepared by mixing liquid bromine with glacial acetic acid 1:4 v/v (bromine to acid). The density of bromine is 3.12 g/mL. Calculate the molarity of 1.00 L of bromine solution.
The unknown solution is composed of 50.0 g of nitrobenzene and 5.00 mL of the liquid unknown. Freezing point for nitrobenzene is 5.20 degrees C
Compare and contrast solid-phase DNA synthesis with enzyme-catalyzed DNA synthesis. Please separately describe the similarities and differences between the two.
What is the lowest possible energy (in electron volts) of an electron in hydrogen if its orbital angular momentum is 2?
a student adds 41.9 mL of water to 25.8 mL of a 0.877 M perchloric acid solution. What is the concentration of the diluted solution
An excess of the reagent 2,3-dimercapto-1-propanol was then added to displace the EDTA from zinc. Another 29.2 mL of Mg2+ were required for reaction with the liberated EDTA. Calculate the molarity of Ni2+ and Zn2+ in the original solution.
The wavelength of maximum absorbance is solvent dependent. in water, the wavelength of maximum absorbance is 453 nm.
Consider the reaction, 2 Al(s) + 3 Cl2(g) => 2 AlCl3(g). How many grams of AlCl3 will be made by the reaction of 7 moles of Al(s) with 27 moles of Cl2(g)
The equilibrium constant for the reaction of bromine with chlorine to form bromine monochloride is 58.0 at a certain temperature.
A 2.5L bottle of concentrated sulfuric acid H2SO4 (16M) falls and breaks on the floor. What mass of NaHCO3 would be required to neutralize this acid spill through the following reaction HCO3 + H => H2O +CO2
Caproic acid C5H11COOH is found in small amounts in coconut and palm oils and is used in making artificial flavors. A saturated solution of the acid contains 11 g/L and has a pH of 2.94. Calculate Ka for the acid.
What is the lewis structure for NBr3. How many electron pairs in the central atom of NBr3. How many bonding electrons pairs of the central atom of NBr3
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