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Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrochloric acid. He expected that the product would be a diol. He did not get any of the expected product. What product did he get?
That is, if you see a second layer of insoluble organic liquid, what could the unknown be in addition to a tertiary alcohol?
How many moles of ammonia are present originally? What is the theoretical yield of sodium bicarbonate in grams?
An enzyme-catalyzed reaction produces a product that has a maximum absorbance at 412nm. The extinction coefficient is 4000M^-1cm^-1, A l0 to-l dilution of the enzyme is made and 20 u.L of the dilution are put into a cuvette with 80 ul of water and..
Write and balance the equation for the complete combustion of heptane, C7H16. You do not need to include any phase symbols or energy
What is the molarity of each ion in a solution prepared by dissolving 0.550 g of Na2SO4, 1.192 g of Na3PO4, and 0.228 g of Li2SO4 in water and diluting to a volume of 100.00mL?
A reaction is preformed in aqueous solution, and the temperature of the solution increases by 15.78 degrees celcius. Is the reaction exothermic or endothermic?
Suppose that 27 g of each of the following substances is initially at 29.0 C. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?
An empty flask has a mass of 123.4 g. When the flask is filled with water, the mass is 211.6 g. If 10.0 g of zinc (d = 7.14 g/cm3) are added to the flask filled with water (and the sides of the flask are dried from the displaced water) what is the..
An unknown organic compound is mixed with 0.5190 g of naphthalene crystals to give a mixture having a total mass of 0.5959 g. The mixture is heated until the naphthalene melts and the unknown substance dissolves.
Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is 5.03°C · kg/mol, and the boiling point of pure carbon tetrachloride is 76.50°C.
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.
The barium salt was found to have two mole of water of hydration per Ba ion and the acid is mono basic. What is molecular weight of anhydrous acid.
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