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Which of the following is true of the binding energy derived from enzyme-substrate interactions? A. Most of the binding energy is used to decrease the deltaG°' of the reaction. B. Most of the binding energy is derived from a covalent bond formation between the substrate and the enzyme. C. Most of the binding energy is used to decrease the affinity of the enzyme for the product. D. Binding energy is sometimes used to hold the substrate in an optimum orientation for the chemistry to occur. E. Binding energy contributes to the decrease in deltaG°'folding for solvent molecules surrounding the enzyme.
A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.16
Using this information and the Clausius-Clapyron equation (P = const•exp(-?Hvap/RT)), calculate the vapor pressure of 3 nm droplets of mercury.
What is the concentration of [Cl?] in a solution of 10 mL of 12 M HCl when 6 mL of water is added
Use the reactions below and their equilibrium constants to predict the equilibrium constant for the reaction, 2A(s) 3D(g).
A quantity of ice at 0.0 degrees C was added to 33.6 of water at 21.0 degree C to give water at 0.0 degrees C. How much ice was added?
A solution is prepared with 3.85 grams of an unknown compound in 100.0 grams of cyclohexane. The solution had a freezing point of 4.18 degree celcius (277.33 kelvins). What is the molar mass of the unknown compound?
Titration of a .7439g sample of impure Na2B4O7 required 31.64mL of .1081M HCl. Express the results of this analysis in terms in percent
A 40-year old weighs 150 lb experience abdominal pain and says he consumed two 12oz bottle of beer. The alcohol in the beer is about 5 % alcohol and he said he was drinking over a hour.
Draw formulas that illustrate the hydrogen bonding that may exist between two polyamide molecules after fibers have been cold drawn. In this lab,
A quantity of N2 occupies 62.2 L at a partic- ular temperature and pressure. Its density is 0.900 g/L. How many moles of N2 are in the container?
When a dilute solution of a weak base (Ka- 3.5*10^-9) is titrated with a 0.100 M solution of HCl at 25 C, the equilibrium constant for the titration reaction has this value:
a mixture of three gases x y and z is at a total pressure of 7.25 atm. the partial pressure of gas x is 1.84 atm that
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