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Carbonic anhydrase (molar mass = 30,000 g/mol) of red blood cells has one of the highest turnover numbers. It catalyzes the reversible hydration of CO2: H2O + CO2 ? H2CO3 If 10.0 µg of pure carbonic anhydrase catalyzes the hydration of 0.30 g of CO2 in 1 min at 37°C at Vmax, what is the turnover number (kcat) of carbonic anhydrase? The units should be in min-1.
If the Km of carbonic anhydrase for the above reaction is 1.8 mM, what is the catalytic efficiency of this enzyme under these conditions? The units are s-1M-1.
At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.21. What is the Ksp of the salt at 22 °C?
when silver metal reacts with bromine at 298 k a spntaneous redox reaction takes place. calculate e initial andnbsp
The boyle temperature is the temperature at which the coefficient b is zero. Therefore, a real gas behaves like an ideal gas at this temperature. (a) Give a physical interpretation of this behavior.
Calculate the pH during the titration of 32 mL of 1.149 x 10-1 M NaOH with 1.161 x 10-1 M HBr solution after the following additions of acid.
If sealed glass bottle containing an organic solvent is dropped and breaks, pieces of glass may be propelled outwards because of build-up pressure that forms in the bottle. explain which is more dangerous a liquid pentane or liquid decane
following reactions1 naoh co2 m nahco3 m k12nahco3 h na h2co3 k23 2nahco3 m nahco32 m k3 kis are the rate
Sulfuric acid is a very strong inorganic used in commercial and non-commercial laboratories. What is the molarity of a 70.00 wt % solution of sulfuric acid in water? The density of the solution is 1.6503 g/mL.
Use the appropriate standard reduction potentials to calculate the value
For the reaction represented by the equation Cl2+2KCl+ Br2, how many grams of potassium chloride can be produced from 300. g each of chlorine and potassium bromide.
The equalibrium constant for the reaction AgBr(s) Ag^+(aq)+Br^-(aq) is the solubility product constant, Ksp=7.7x10^-13 at 25 degrees C. Calculate deltaG for the reaction
What is the pH of a solution which results from mixing 150 mL of 0.50M acetic acid and 150 mL of 0.50M sodium hydroxide at 25oC?
Calculate the value of the activation energy for decomposation of NOCL?
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