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Bioremediation is the process by which bacteria repair their environment in response, for example, to an oil spill. The efficiency of bacteria for "eating" hydrocarbons depends on the amount of oxygen in the system, pH, temperature, and many other factors. In a certain oil spill, hydrocarbons from the oil disappeared with a first-order rate constant of 2*10^-6 s^-1. How many days did it take for the oil spill to decrease to 8%of its initial value?
Calculate the heats of combustion for the following reactions from the standard enthalpies of formations listed in appendix 3: (a) 2H2(g) + O2(g) = 2H2O(l) (b) 2C2H2(g) + 5O2(g) = 4CO2(g) + 2H2O(l)
Write the net ionic equation (including phrases) that corresponds to Cu(ClO4)2 (aq) + K2CO3(aq) --> CuCO3(s) + 2KCLO4(aq).
Which of the following refers to particularly stable arrangements of amino acid residues in a protein that give rise to recurring patterns
Determine the dissociation constants for the following acids. Express the answers in proper scientific notation where appropriate
What is the partial pressure of each substance if the total pressure of the mixture is 2.35 atm?
A 50.0-g sample of metal at 100.0 degrees C is added to 39.0 g water that is initially 23.50 degrees C. the final temperature of both the water and the metal is 28.46 degrees C.
calculate the standard emf of a cell that uses the mgmg2 and cucu2 half-cell reactions at 25 degrees celsius. write the
Calculate the equivalent number of moles of potassium permanganate? 3) calculate the clarity of the potassium permanganate solution?
Fully explain two disadvantages of the colorimetric method to determine the concentration of species over te classial titration method. using two chemichal reactions explain how iodate ions and ypochlorite ions both act as oxidizing agents
What volume of a 0.215 M sodium hydroxide solution is needed to exactly neutralize 1.06 grams of KHP
to calculate the value of Ea for this reaction. How does this value compare with that obtained from the slope of the plot. Which one do you think is more accurate. Explain.
the most common source of copper cu is the mineral chalcopyrite cufes2. how many kilograms of chalcopyrite must be
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