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Calculate the osmotic pressure of a magnesium citrate laxative solution containing 26.5 of magnesium citrate in 220 of solution at 37 (approximate body temperature). Assume complete dissociation of the ionic compound.
What happens to the pressure inside a closed container if the number of moles inside the container is increased while the temperature is maintained constant
What temperature would be observed during the entire distillation. B) If a thermometer were immersed below the surface of the liquid of the boiling flask, what temperature would be observed. C) What would be the composition of the distillation.
Heart pacemakers are often powered by lithium-silver chromate "button" batteries. The overall cell reaction is: 2 Li(s) + Ag2CrO4(s) -> Li2CrO4(s) + 2 Ag(s)
Which of the following acids (listed with pKa values) and their conjugate base would form a buffer with a pH of 8.10
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively.
how much water would be needed to completely dissolve 1.78 of the gas at a pressure of 730 and a temperature of 27? a
Carbon disulfide can be made from reacting sulfur dioxide with carbon. The reaction is: 5C + 2SO2 = CS2 + 4CO How many grams of carbon disulfide can be produced from 450 grams of sulfur dioxide if excess carbon is added
Discuss some of the underlying reasons for deviation from A=ec during the application of Beer's Law to very diluted
Electrode composed of chromium in a 1.0 M chromium(III) ion solution and another electrode composed of silver in a 1.0 M silver ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C
The mean velocities of HCl gas and NH3 gas at 25 degrees Celsius are 450m/s and 660m/s respectively. With these speeds in mind, briefly explain why so much time was required for the HCl and NH3 to meet in the glass tube
Ammonia will react with oxygen in the presence of a copper catalyst to form nitrogen and water. From 164.5°C to 179.0°C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction?
provide the correct molecular geometry by its English name and by drawing the proper stucture. Use a three dimensional drawing.
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