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A mass of 137 g of manganese dibromide is dissolved in 330 g of water. What is the molality of the solution
carbon monoxide and 10% remains undurned. Calculate the compostion of the exhaust gas on a wet basis.
Explain why the concentration cell (Cu/Cu2+ 1.0M with Cu/Cu2+ 0.1M) should have a non-zero voltage. Which half cell is producing the electrons
Calculate the overall relative standard deviation, the relative standard deviation of the method, and the relative standard deviation of the sampling process.
The equilibrium expression for the reaction: 2C(s) + 2H2O(I) ? CH4(g) + CO2(g) is Keq = [CH4][CO2]. If an equilibrium reaction shifts to the right when the system is cooled, this indicates that the reaction is endothermic
How many grams of Fe(OH)2 (Ksp = 1.8 * 10-15) will dissolve in one liter of water buffered at pH = 12.00
Using the data shown in the table, calculate the pressure exerted by 1.00 moles of CO2 confined in a volume of 3.00 L at 450. K. Compare the pressure with that predicted by the ideal gas equation
When 56.0 g calcium and 34.7 g nitrogen gas undergo a reaction that has a 88.0% yield, what mass of calcium nitride forms?
what minimum requirement is needed to obtain reproducible results with a single beam spectrophotometer
For each of the following cases, identify the order with respect to the reactant, A. Case (A ----> product) 1. The half-life of A increases as the initial concentration of A decreases
Draw the structure of the organic product that is formed when the compound shown below is treated with the following reagents
Hexachlorophene is used as a disinfectant in germicidal soaps. What mass of hexachlorophene (molar mass = 406.9 g/mol) must be added to 125 g of chloroform to give a solution with a boiling point of 62.60°C?
measured in a 1.00-cm pathlength cuvette, has an absorbance of 0.321 while the reagent blank in the same cuvette has an absorbance of 0.014. What would be the absorbance reading of these two solutions if measured in a cuvette with 5.00 cm pathleng..
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