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Suppose that an enzyme has the capacity to conver substrate A (Km= 1 x 10^-3 M) to a product P1. Suppose the same enzyme can also convert another substrate B (Km = 1 x 10^-6 M) to a different product, P2. ALso suppose that an equal Vmax is possible with both of the substrates. Which substrate will show a greater rate of rection at 1 x 10^-3 M? Which substrate will show a greater rate at 1 x 10^-2 M? What will be the effect of addition of B on the rate of reaction with A?
how many grams of SO2 are required to treat 3.00x10^8 L of 0.0750 mM Cr(VI)? 2CrO4+3SO2+4H yields Cr2(SO4)3+2H2o
What would you expect to happen if an unknown solution that may contain ions from Groups I through IV were treated with Na2CO3 under basic conditions?
Molecular orbital (MO) theory predicts the O2 +2(a +2 CHARGE) ion has a bound order of
The atmospheric sulfur dioxide concentration over a certain region is 0.12 ppm by volume. Calculate the pH of the rainwater due to this pollutant. Assume the dissolution of SO2 does not affect its pressure.
Using Henry's law, calculate the molar concentration of O2 in the surface water of a mountain lake saturated with air at 20 ^ C and an atmospheric pressure of 665 torr. The partial pressure of O2 is .21 atm.
Explain your reasoning for each by writing a balanced net ionic equation to describe its behavior in water.
at 520 degrees celius the equlibruim mixture in a three cubic decimeter container consists of 0.2 moles of h2 and 0.2 mole i2 , if the equlibrium contant is o.016, calculate the concentration of hyrdogen iodide at equlibrium HI.
You are given an impure sample of a phenol and asked to purify it. You ask for information about the suspected impurities, but it seems no one really knows.
Which os the dollowing statements is correct concerning the equivalence point in a titration of a weak acid (HA) by a strong base? The pH is less than 7 because HA is a weak acid
the effect of epinephrine binding to B-receptors is well known. epinephrine also binds to alpha-receptors. which of the following would NOT result following the binding of epinephrine to alpha-receptors in the liver
The compound is composed of 41.39% carbon, 3.47% hydrogen and 55.14% oxygen. The molecular mass is 116.07 g/mol. What is the molecular formula?
How many milliliters of 20.0 M calcium chloride would you use to prepare exactly 800 ml of a solution that contains 5.00 moles/liter of chloride ions.
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