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Potassium sulfate solution reacts with barium bromide solution to produce a precipitate of barium sulfate and a solution of potassium bromide. State the molecular equation for this reaction. Then state the corresponding net ionic equation.
Assume that 29.0 mL of a 0.10 M solution of a weak base B that accepts one proton is titrated with a 0.10 M solution of the monoprotic strong acid HX.
A pound of coffee beans yields 30 cups of coffee (4 cups = 1 ). How many milliliters of coffee can be obtained from 1.0 of coffee beans.
Carbon monoxide binds strongly to the Fe2+ion of the heme group of protein myoglobin. Suppose you have at your disposal a supply of myoglobin, a suitable buffer in which to suspend the protein,12C16O,13C16O,12C18O,13C18O,
One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of ammonia to nitric oxide.
A furnace is burning coal at the rate of 950,000 kg of coal/day. The coal contains 5.5% ash and 99% of that ash is collected in the air pollution control (APC) device downstream from the furnace
If we assume that the volume change is due entirely to the density change (that is, neglect thermal expansion of the ice/water), what is the difference between the enthalpy change and the energy change during the process? Is this a significant dif..
calculate the ph of soultion prepared by adding20.0ml of 0.100m hcl to 80.0ml of a buffer that is comprised pf 0.25 M NH2NH2
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
A second 20ml aliquot was mixed with 10ml of 50ppm quinine solution before dilution to 100ml. The flourescence intensity of this solution was 600. Calculate the concentration in ppm in the tablet.
Its volume is 2.0 x 10^2 mL and its pressure is 750 torr. what is the molar mass?
Two samples of copper and lead both weighing 1.500g each recive equal amounts of heat. The temp. of copper increased from 25.0 degrees celcius to 30.0 degreees celcius.
If 2 x 10-4 moles of S2O82- in 50 mL solution are consumed in 188 seconds, what is the rate of consumption of S2O82-
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