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What is the pH of a solution made by mixing 100.0 mL of 0.10 M HNO3, 50.0 mL of 0.20 M HCl, and 100.0 mL of water? Assume that the volumes are additive.
Gas phase irridation of 2-pentanone produces acetone and ethylene in about 90% yield along with 10% 1-methylcyclobutanone. Accoutnt for the formation of these three products
calculate the molecular mass of a solute with 8.02 grams of solute in 861 grams of water lower the freezing point to -.430 degree Celsius
Problem- In the successful synthesis of polymer nylon-6,6 we have used monomers adipoyl chloride (0.5 mL) and 5% aqueous solution of 1,6-hexanediamine (8 mL). We have also used 10 mL of cyclohexane and 8 drops of 25% aqueous solution of sodium hyd..
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
How much heat energy, in kilojoules, is required to convert 37.0g of ice at -18.0C to water at 25.0C
Two peaks on chromatogram have k1= 3.1 and k2= 4.9. Column efficiency is 2000 theoretical plates, void volume is 1mL. calculate the resolution between these compounds.
Determine the molar mass of Freon-11 gas if a sample weighing 0.597 g occupies 100 cm3 at 95°C, and 1000 mmHg.
An ammonia/ammonium buffer solution contains 0.22M NH3 and 0.83M NH4^+. The Kb value of ammonia is 1.8*10^-5. Calculate the of this buffer.
Does the fact that two compounds have different boiling points mean that they definitely can be separated by gas chromatography
Suppose that the reaction X+Y==> Z has a rate law=k[X][Y] a.What is the overall order of the reaction? b.What is the order with respect to X?To Y?
If 8.40 kJ of heat is needed to raise the temperature of a sample of metal from 15 degrees celsius to 20 degrees celsius, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 25 degrees celsius to ..
calculate the density and # of moles of a 10% Bromine Solution used in an experiment. Does the 10% refer to v/v or g/v in solution? I used 350 ul of the Bromine Solution
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