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Problem- A 60.0-mL 0.513 M glucose (C6H12O6) solution is mixed with 120.0 mL of 2.33 M glucose solution. What is the concentration of the final solution? Assume the volumes are additive.
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What monatomic ions do iodine (Z = 53) and aluminum (Z = 13) form. Using the format [Cu]+ for Cu+ and [Cu]2+ for Cu2+.)
The reaction H2O2 --> H2O + O2 could be catalyzed by either MnO2 or beef liver, which contains the enzyme catalase. In either case, the catalyst
Assume that the volume of the mixture equals the sum of the pure components volumes. Also assume that all alcohol and water are completely miscible. Calculate the densities (kg/m3) of solutions A and B and the mixture containing 25% ethyl alcohol ..
What is delta U when 1.00 mol of liquid water vaporizes at 100 degrees C? The heat of vaporization is 40.66kJ/mol at 100 degrees C.
A 150 g sample of water (initially at 45.0oC)is mixed with a 200 g sample of water (initially at 84.0oC). Find the final temperature of the system
225mL of a gas are collected over water at 22 C and 790torr. Explain the mass of the gas is 0.425 g as well as the vapor pressure of water at 22 C is 20torr. Explain what is the molar mass of the gas
Using the volume of solvent calculated "which is 1.43 mL of 95% Ethyl alcohol", calculate how much sulfanilamide will remain dissolved in the mother liquor after the mixture is cooled to 0 degree C.
Describe what is reduced and what is oxidized, balance the chemical equation by the half reaction method on both acidic and basic ways HCN +CrO4^2- = CNO^- + Cr(OH)4-
A mass of 47.5 g of H2O(s) at 272 K is dropped into 225g of H2O(l) at 298 K in an insulated container at 1 bar of pressure. Calculate the temperature of the system once equilibrium has been reached.
Utilizing the average atomic masses for each of the following elements, Compute the number of moles of the element present in each of the following samples
How many L of solvent should be added to 0.46 L of a 0.28 M solution if you want a final concentration of 0.13 M.
The greatest entropy of mixing
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