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Draw the structure of the one alkene which upon treatment with O2 followed by Zn and acid, would give rise to formaldehyde and cyclohexanone
The air pollutant NO is produced in automobile engines because of the high-temperature reaction below. If the initial concentrations of N2 and O2 at 1000 K are both 1 M
Calculate the percentage composition by mass of each of the elements in sulfuric acid. Report each of your answers to 4 significant figures
The rate law for the reaction, 2NO(g) + O2(g) -- 2NO2(g), is found to be: rate of reaction=k[NO]2[O2]2 (PLEASE note that the 2's after the concentrations are powers, so we have NO to the power of 2 and O2 to the power of
A water sample contains 118mg/L of bicarbonate ion, 19mg/L of carbonate ion, and has a pH of 9.5. What is the alkalinity of this water expressed as mg/L of CaCO3
Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.
A reaction was conducted in benzene as the solvent. Because the reaction was very exothermic, the mixture was cooled in a salt-ice bath. This was a bad choice. Why?
A reverse osmosis unit is to be used to concentrate the aqueous solution of metal complexes left over from a metal finishing operation. A pressure of 100 bar is exerted on the solution side of the membrane during concentration.
Calculate the mass of ascobic acid in the whole tablet( use mass of whole tablet) c) Calculate the %error in the mass of ascobic acid in one whole tablet
An aqueous CaCl2 solution has a vapor pressure of 83.0 mmHg at 50 degrees celsius . The vapor pressure of pure water at this temperature is 92.6 mmHg.
after the correct formula for a reactant in an equation has been written , what can be changed to balance the equation?
Use the Henderson Hasselbalch Equation to calculate the pH after the addition of 0.10 M NaOH to this solution, assuming no change in volume?
What is the heat change of a 25 g block of iron that starts at a temperature of 22 degrees C and increases to 79 degrees C?
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