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From a kinetics experiment, the Vmax was determined to be 3200111\4.min-1. For the kinetic assay, 0.2mL, of a 0.05mg/mL solution of enzyme was used, and the enzyme has a molecular weight of 95,000 g/mole.
Assume a reaction volume of 3mL.
Calculate the kcat (in • sec-1) and catalytic efficiency ( in M-1sec-1) for the enzyme.
The Km for the enzyme was determined to be 2.5 x 10-2M.
a chemistry student dissolved 500 grams of alcl3 in 2750grams of h2o. the resulting solution had a density of1.015 gml.
if 6.795 g of alum was produced using the method in this experiment, how many grams of hydrogen gas could theoretically have been produced
What is the gas pressure (in atm) inside a 1.69-L bulb that contains 0.9-g of Ne at a temperature of 34.1 C? Be sure to report the units as atm.
Calculate the standard enthalpy change for the reaction
Battery acid is 35% sulfuric acid in water and has a density of 1.29g/ml. What is the mass of sulfuric acid in 1.00L of battery acid?
Question- Consider the following set up measurements made by a student for an object with and accepted mass of 10.10 g
What is the role of sodium sulfite? How does it work? Please use an equation to explain this. Why was the work-up step so important in this experiment? What can be found in the top layer, and the bottom layer in the extraction step?
When optically active propylene oxide is used, the 1,2-diol obtained from the acid hydrolysis has a optical rotation opposite from the Alkaline hydrolysis. Write the mechanism of each hydrolysis that is likely to explain these facts.
Based on Reference Table G, what is the maximum number of grams of KCl(s) that will dissolve in 200 grams of water at 50 Celsius to produce a saturated solution?
Question about Thermochemistry, Consider the reaction: H2(g) + Cl2(g) yields 2HCl(g) Change Heat = -184.6
The DNA Polymerase is an enzyme that accurately replicates your DNA. It has only one active site! Describe how four bases with different geometries can fit into a single active site and how does the enzyme differentiate between the four bases
A sample of arabinose, C5H10O5, contains 0.6000 moles of the substance. How many carbon atoms are in the sample?
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