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Many people get headaches or other symptoms in response to eating mono sodium glutamate (MSG) which is added to many foods as a flavor enhancer. What are the concentrations of the various species of the glutamic acid system in a solution which is at physiological pH 7.40, and a total concentration for all forms equatl to 5.00x10^-3M?
Example: Determine the solubility of calcium fluoride at 25C. And Be sure to note the difference between Solubility and Solubility Product Constant ! What could we do to change the system and produce a precipitate?
A student weighed 0.0961 g of calcium carbonate (FW: 100.08 g/mol) into a 100-mL volumetric flask, dissolved the powder using nitric acid, and diluted to the mark with 0.2% nitric acid.
An an isothermal process, the pressure on 1 mol of an ideal monatomic gas suddenly changes from 4.00 atm to 100.0 atm at 25°C. Calculate w
Calculate the amount of HCN that gives the lethal dose in a small laboratory room measuring 12.0 ft×15.0 ft×8.50ft.
Write balanced, net ionic equations when the following compounds are mixed. Indicated mixtures where no reaction is expected with the notation no rxn.
Could someone please explain why synthesized soap and detergent have different reactions when they are mixed with calcium chloride
The phase diagram starts at 0K and gradually increases from 100k to 200k and as it hits 200K, the line splits apart increasing in pressure
The activation energy of a certain reaction is 45.3kJ/mol . At 24{~}^{\circ}\rm C , the rate constant is 0.0160s^{-1} . At what temperature in degrees Celsius would this reaction go twice as fast?
Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq)
Compute the molarity of a solution prepared by dissolving 15.2 grams of CaCl2 in H2O with a solution volume equal to 5.00 x 10² millimeters.
Circles, blocks, and triangles represent atoms.
Equal volumes of 1 x 10-5 M solutions of Cd2+ and CO32- ions are mixed in one flask and equal volumes of 1 x 10-5 M solutions of Ag+ and CrO42- ions are mixed in a second. Which substances precipitate given that the Ksp values of CdCO3 and Ag2CrO4..
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