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Two chemicals, A and B are combined forming chemical C. The rate of the reaction is mutually proportional to the amounts of A and B not yet converted to C. Primarily there are 200 grams of A and 300 grams of B and during the reaction, for each gram of A used up in the conversion there are three grams of B used up. An experiment illustrate that 75 grams of C are produced in the first ten minutes. After a long period of time how much of A and of B remains as well as how much of C has been produced?
How many grams of benzoic acid would you add to 30 mL of 0.27M sodium benzoate in order to prepare a buffer solution at pH=4.5? Ka of benzoic acid is 6.3E-5.
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
The 100 mL of a solution that is 0.10 M in both Cu2+ and Mn2+ and 0.20 M in H3O+ is saturated with H2S. Illustrate which metal sulfide precipitates?
How many grams of a stock solution that is 87.5 percent H2SO4 by mass would be needed to make 275 grams of a 55.0 percent by mass solution.
1.calculate the mass of oxygen dissolved in a 70.0 l aquarium maintained at room temperature. the total pressure is
Consider the reaction with the rate law, Rate = k[BrO3-][Br-][H+]2 By what factor does the rate change if the concentration of BrO3- is doubled and that of Br- is doubled
how many liters of hydrogen are obtained from the reaction of 4 g calcium with excess water, at 37 Celsius and 0.962 atm?
A solution of potassium chromate is prepared at pH 7.72. Calculate the fraction of the total chromate in this solution that is present as the chromate ion CrO42-.
starting with toluene as the only organic starting material and utilizing an organocopper coupling method
Calcium carbonate and sand mixture with weight of 4 grams is reacted with excees of HCl results in the production of carbon dioxide then find out the percent of calcium carbonate in the original mixture?
what would be the expected component concentration in octanol phase at equilibrium if the same partitioning procedure would be performed at 60*C
the molar mass of air is 29.9g/mole and density of air at these temp. is 1.22 g/L. how much methane do u have to heat the sir from 15 centigarde to 22 centigrade
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