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Draw a mechanism to demonstrate how pyridine catalyzes the hydrolysis of acetic anhydride to two molecule of acetic acid. Is this reaction reversible? why or why not?
Show all non-bonding electrons on each atom, circle positive charges, circle a nonbonding electron pair if the atom is negatively charged and indicate electron pain movement with double headed arrows.
How many grams of magnesium hydroxide are present in 1.0 L of a saturated solution at room temperature
The "lead" in lead pencils is actually almost pure carbon, and the mass of a period mark made by a lead pencil is about 0.0001g How many carbon atom's are in the period?
When distilling a pure compound, the boiling temperature remains constant although you are heating the flask. Why?
one mole c12h22o11 is added to 0.150 kg of water and the water is heated to 100C. what is the vapor pressure of the solution at this temperature?
Calculate the freezing point of the following solutions, assuming complete dissociation. Part A= 0.114mK2S Part B=20.5g of CuCl2 in 401g water Part C=6.5% NaNO3 by mass
Iron has a body-centered cubic unit cell, and a density of 7.87 g/cm3. Calculate the edge length of the unit cell, in pm.
Calculate the amount of heat liberated (in kJ) from 305 g of mercury when it cools from 82.0°C to 13.0°C.
The chemical reaction that causes aluminum to corrode in air is given by 4Al+3O2 Al2O3 in which Hrxn = %3352 kJ rxn = %u2212625.1 J/K) What is the Gibbs free energy for this reaction at 5975K ?
nonvolatitle organi polymer dissolved in 250mL of benzene has an osmotic pressure of 12.3 mmHg at 25 degree celcius. What is the molar mass of the polymer in units of g/mole?
An analysis is performed on an organic liquid with a fishy odor. Vaporization of 260.0 mg of the compound in a 190-mL bulb at 100°C gives a pressure of 410.0 torr
How many moles of ammonium ions are released when 1.6 mol of ammonium phosphate, (NH4)3PO4, is dissolved in water?
Write a balanced equation for the reactant, then identify the type of reaction it demonstrates remember your diatomic atoms complete reaction
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