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An enzyme that has a Michaelis constant of 0.036 mmol*dm-3 is studied at an initial substrate concentration of 28.7 mmol*dm-3. After 1 min, it is found that 7.0 umol*dm-3 of product has been produced. What is the maximum velocity of this reaction in units of umol*dm-3*min-1?
Which of the following substances has a standard heat of formation of zero. A. pb @ 1000 degrees C B. C3H8 @ 25.0 C and 1 ATM pressure C. Solid glucose @ room temperature D.N2 @ 25.0 and 1 atm pressure
Carry out the following operations, and express the answer with the appropriate number of significant figures. a) 320.5 - (6104.5/2.3) b) [(285.3 x 10^5) - (1200 x 10^3)] x 2.8954
What does available chlorine mean and why do manufacturers identify it on product labels?
On a given day, the atmospheric pressure of the air in Utah was 0.802 atm. What was the partial pressure of nitrogen in this air?
Derive an expression for the compression factor of a gas that obeys the equation of state p(V-nb)=nRT, where b and R are constants. If the pressure and temperature are such that Vm=10b, what is the numerical value of the compression factor?
What is the frequency of a particular type of radiation in Hertz given that the wavelength is 4.40×10^2 nm?
Consider the two reactions below for the optically active alkyl halide, (R)-2-chloropentane. Draw a mechanism for each reaction
you wish to make a 0.355 m hydrobromic acid solution from a stock solution of 3.00 m hydrobromic acid. how much
Calculate the de Broglie wavelength of the bullet. Express your answer using two significant figures.
Considering the reaction: SO2Cl2(g) --> SO2(g) +Cl2(g) Kp=2.91 and temp = 298k. the partial pressure of SO2 is 137 torr and the partial pressure of Cl2 IS 285 torr. What is partial pressure of SO2Cl2?
How many kilojoules of heat are absorbed when 40.6 of mgo is decomposed into mg and O2 at constant pressure
At 50 degrees celsius a sample of ammonia gas exerts a pressure of 6.5 atm. What is the pressure when the volume of the gas is reduced to 20% of the original value at the same temperature
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