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Many metallic catalysts, especially precious metal catalysts are deposited as thin films on materials with a very high surface area. Why is this an effective way of utilizing the precious metal? (Explain)
what is the formal charge on each of the atoms in a molecule of fluorous acid hofo? list the formal charges in the same
A student placed 16.0 g of glucose C2H12O6 in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.mL mark on the neck of the flask was reached. The flask was then shaken unti..
How many grams of ether solute and THF solvent is required to make 2432 g of a 5 m solution? This is on my notes but for some reason I do not understand how the professor get the answer 2436 to this problem
a 0.0050 molar solution of sugar is separated from pure water by a membrane at 20c. what is the osmotic
Calculate approximately the value for the heat of sublimation of methane and calculate the pH for this solution
The temperature of 100.0 mL of water was raised from 26.7 degrees celsius to 62.3 degrees celsius. how much heat in calories was added to the water
The peak was assigned as a Mn-Cl stretching mode of a contaminate manganese chloride species. Why would you expect this to be an erroneous assignment? Suggest a more likely source of this IR absorption.
What product or products would you expect to obtain by the addition of bromine to cis-cinnamic acid, assuming that it reacts by the same mechanism as the trans acid
Find the concentration of Pb2 in 0.0010 M KI saturated with PbI2. Include activity coefficients in your solubility-product expression. The Ksp of PbI2 is 9.8× 10-9. Hint from sapling below: Including activity coefficients, the solubility-product e..
If a student starts with 615g of Co(NO3)2 and obtains a 57.3% yield of CoS, what mass of CoS is isolated? Co(NO3)2 +K2S ---> CoS + 2KNO3
If the total pressure in the cylinder is 2490 mmHg, what is the partial pressure of each of the components? Assume constant temperature.
What mass of NaCl must be dissolved in 75.0 grams of water to lower the freezing point to -4.00c? The freezing point depression constant, Kfp for water is -1.83 C/m.
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