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Write a balanced hydrolysis equation to show why solutions of aluminum chloride are acidic. (Hint; Al3+(aq) ions can be written Al(H2O)63+(aq).)
what is the concentration of oygen dissolved in water at 20 degrees celsuis in equilibrium with a gas mixture at 0.81 atm.
Estimate the equilibrium constant for the weak base C6H5CH2NH2, if a 4.53×10-1 M aqueous solution of C6H5CH2NH2 has a pOH 4.84 (make an exact calculation assuming that initial concentration
What is the theoretical yield of aspirin in the reaction of 3.60 grams of salicylic acid with excess acetic anhydride?
vapor phases of water to all be in equilibrium with each other at 0.1 MPa (see equation below)? Explain in terms of Gibbs phase rule.
For the isoelectronic series[V(CO)6]-, Cr(CO)6, and [Mn(Co)6]+, does the energy of the metal to ligand charge-transfer bands increase or decrease with increasing charge on the complex? Why?
A gas mixture contains each of the following gases at the indicated partial pressures: N2, 221 torr; O2, 131 torr; and He, 131 torr.
Using phosphoric acid, what concentrations are needed to give a pH 8.10 solution with an ionic strength of 0.100 M?
At 700 K, the equilibrium constant, Kc, for the reaction H2 + I2 2 HI is 49.0. How many moles of H2 would have to be added to 1.00 mole of I2 in a 10.0-L flask to get a 90.0% yield
The vapor pressure of a mixture of 400 g of carbon tetrachloride and 43.3 g of an unknown compound is 137 torr at 30 °C. The vapor pressure of pure carbon tetrachloride at 30 ºC is 143 torr
what law is illustrated by the fact that ice,water,and steam consist of 88.8% oxygen and 11.2% hydrogen by mass.
A bottle containing 315 g of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
Calculate the amount of water that must be supplied to a heat exchanger that cools 100 kg/hr of tomato paste from 90C to 20C. The water enters the heat exchanger at a temperature of 8oC
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