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Barium sulfate is a very insoluble compound. Please give reasons for compounds like barium sulfate or barium phosphate to be insoluble that relate to ionic charge.
By what factor (how many times) will the rate constant increase when the temperature is raised from 10°C to 28°C?
A chemist dissolves 128 mg of pure hydrobromic acid in enough water to make up of 110 mL solution. Calculate the pH of the solution.
Show the orbital-filling diagram for N (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
Hydrobromic acid reacts with potassium carbonate to form potassium bromide,carbon dioxide , and water. Barney the incompetent lab tech accidently knocked a flask containing 255ml of 0.500 M hydrobromic acid onto the floor, and now he has to clean ..
A reverse osmosis unit is to be used to concentrate the aqueous solution of metal complexes left over from a metal finishing operation. A pressure of 100 bar is exerted on the solution side of the membrane during concentration.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3 + 2HCl image from custom entry tool CaCl2 + H2O + CO2
Calculate the electrode potential of the following half cell if it was at standard conditions. Then recalculate how this changes using.
Select each side of the mass balance equation for an Fe3(PO4)2 solution where the existing species are Fe2
For a particular redox reaction Cr is oxidized to CrO42- and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in basic solution.
Trichlorofluoromethane (CCl3F) boils at 23.8C, and its molar heat of vaporization is 24.8 kJ/mol. Calculate the molar entropy of evaporation of CCl3F(l).
Design a tube and shell heat exchanger for the fluids and duty given for you and complete Project Management tasks
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