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How many active sites and zinc ions does one ATCase molecule have?
Tammy applies the skills learned from the titration of vinegar exercise to the determination of the concentration of phosphoric acid necessary for her biology project. A total volume of 8.22 mL of 0.125 M potassium hydroxide solution was required to ..
What are the factors that can influence the rate of a chemical reaction? 2- Why do the rates of most chemical reactions slow down over time?
How many grams of CO are needed to react with an excess of Fe2O3 to produce 558 g Fe? The equation for the reaction is: Fe2O3(s) + 2 CO(g) → 3 CO2(g) + 2 Fe(s)
If 1.13 x 104J of heat is added to a water sample and the temperature rises from 88.0c to its boiling point, what mass of water is in the sample?
Explain the dissolution of the sulfides of copper, bismuth and cadmium in nitric acid. Include ionic equations. If a yellow precipitate is obtained upon addition of hydrogen sulfide to an unknown solution of Group II cations, which ions are probably..
Explain why the rates of diffusion of nitrogen gas and carbon monoxide are almost identical at the same temperature.
Suppose you were given a pure stereoisomer that rotated the ppl either +60 degrees of -120 degrees ie. the same intensity of yellow light is observed for both of these readings. What would you do to determine if the proper reading were +60 or -120
A compound composed of carbon, hydrogen and chlorine effuses through a pinhole 0.411 times as fast as neon. Choose the correct molecular formula for the compound
Problem- A solution that was made by dissolving 9.81 g of a nonvolatile molecular compound in 90.0 g of water boiled at 100.37 degrees Celsius at 1.00 atm. What is the approximate molar mass of the substance. (For water, Kb=0.521 degrees Celsius/m..
what is the concentration m of ch3oh in a solution prepared by dissolving 16.8 g of ch3oh in sufficient water to give
The DNA sequence below is from the interior of the coding strand sequence for West Nile Virus RNA polymerase.
A turbine discharges 200 kg/h of saturated steam at 10.0 bar absolute. It is desired to generate steam at 250°C and 10.0 bar by mixing the turbine discharge with a second stream of superheated steam at 300°C and 10.0 bar.
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