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Among sulphuric acid, phosphoric acid, and trifluoroacetic acid, which one is the least hazardous as catalysts?
Question- You have a solution that is 18.5% (v/v) methyl alcohol. If the bottle contains 2.60L of solution, what is the volume (V ) in milliliters of methyl alcohol
Consider the following reduction potentials: Cu2+ + 2e- -> Cu E° = +0.34 V Pb2+ + 2e- -> Pb E° = -0.13 V For a galvanic cell employing the Cu, Cu2+ and Pb, Pb2+ couples, calculate the maximum amount of work that would accompany the reaction of one..
The total Calories for 2 tablespoons of crunchy peanut butter that contains 6 of carbohydrate, 16 of fat, and 7 of protein
why does bromine add faster to a distributed double bond than a monosubstituted double bond to produce dibromide
At 25°C the vapour pressure of pure pentane is 511 torr and that of hexane is 150. torr. What is the mole fraction of pentane in a pentane-hexane solution that has a vapour pressure of 302 torr at 25°C?
Preparing a standard sodium hydroxide solution. Compute the volume of 50% NaOH solution to prepare 500mL of ~0.1 M NaOH solution.
What pressure of O2 would be required to have a solution of 1.5X10^-3g of O2 in 250g of H2O at 298K?
The remainder was oxygen. Calculate the empirical formula of sodium pertechnetate.Determine the simplest mole ratio of O.
The heat capacity of the calorimeter was 24.5J/0C and contained exactly 1250g water which increased from 24.620C to 27.430C. Calculate (Delta)U for the reaction in kJ/mol rxn
A 16 ounce specialty coffee drink contains 216 mg caffeine. If all the caffeine is extracted and dissolved in an equal amount of water, what is the pH of the solution. What is the percent ionization.
A pure titanium cube has an edge length of 2.65 .How many titanium atoms does it contain. Titanium has a density of 4.50g/cm^3
The pKa of the alpha-carboxyl group of glutamine is 2.17 as well as the pKa of its alpha-amino group is 9.13. Compute the average net charge on glutamine if it is in a solution that has a pH of 8.40.
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