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Hydrogen sulfide () is a common and troublesome pollutant in industrial wastewaters. One way to remove is to treat the water with chlorine, in which case the following reaction occurs: The rate of this reaction is first order in each reactant. The rate constant for the disappearance of at 28 is . If at a given time the concentration of is 2.0×10?4 and that of is 4.8×10?2 , what is the rate of formation of ?
Calculate the number of grams of KClO3 needed to make 400 mL of 0.913 M solution.
Calculate the initial rate of the NO reduction at 1100 K if 400.00 mg of NO and 600.00 mg of H2 are confined to a 5.00 L reaction vessel.
Write the reactions responsible for the LIQUID PHASE oxidation of S(IV) to S(VI), and show how the oxidation can lead to a decrease in pH of rain water.
How much heat do you need to raise the temperature of 150 g of gasoline from 30oC to 15oC?
Compute pH and [OH-] for each of the following solutions. (a) 8.1×10-2M Na2CO3, (b) 0.15M NaCN
What mass of F2 is needed to produce 205 g of PF3 if the reaction has a 79.3% yield?
what mass of stomach acid will neturalise an antacid tablet containing 0.1g of magnesium hydrogen carbonate
Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr metal is 2.54 g/cm3
calculate the percent yield of C2H5Cl if the reaction produces 188g of C2H5Cl
How many joules of heat are needed to completely vaporize 24.40 grams of water at its boiling point? Given ΔHvap = 40.6 kJ/mol
a 150.0 g sample of metal at 80 c is added to 1500.0g of H2O at 20 c. the temperature rises to 23.3 c. assuming that the calorimeter is a perfect insulator, what is the specific heat of the metal.
A 93 gram solution of silver nitrate contains 16 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?
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