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Suppose the concentration of protons inside a cell membrane is Cin and similarly the concentration outside is Cout. Assume the electrostatic potential difference is ?f = fout - fin.
a. Obtain an expression for the electrochemical potential difference outin ?µ= Mout - µin in terms of the pH difference and the electrostatic potential difference ?f.
b. Suppose the pH inside the inner mitochondrial membrane is 0.75 units higher than outside the membrane and ?f = fout - fin = -0.168V. Calculate the electrochemical potential difference between protons inside versus outside the membrane.
At what pressure does the mean free path of argon at 25 C become comparable to the diameter of a spherical vessel of volume 1.0 dm^3 that contains it? Take ? =0.36nm^2.
The Ksp of CaSO4 is 4.93× 10-5. Calculate the solubility (in g/L) of CaSO4(s) in 0.500 M Na2SO4(aq) at 25 °C
Given 5.2 g of hydrobromic acid (48%) calculate the number of mL. (MW HBr: 80.91 g/mol, density: 1.49 g/mL) I am getting 1.675 but it is counting it wrong. Anyone else getting something different
A gas at 225 K and 40 bar has a molar volume 26% larger than that calculated from the ideal gas law. (a) Calculate the compression factor Z for the gas under these conditions. (b) Which are dominating in this sample, the attractive or repulsive force..
How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.1 L of 0.20 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.82
A galvanic cell Zn / Zn2+ // Cu2+ / Cu generates a current of 4.00 Amperes for 1.00 hour. The cathode increases in mass by 10.0g . If charge on an electron is 1.602 x 10-19 coulombs/ electron.
An aqueous solution has a vapor pressure of 82.6 at 50 . The vapor pressure of pure water at this temperature is 92.6. What is the concentration of in mass percent
photochromic sunglasses which darken when exposed to light contain a small amount of colorless agcl embedded in the
Given the following data table, use the method of initial rates to determinet the rate law for the following reaction: A + B = C + D + E run: ro(M/s): [A]o: [B]o: [C]o: [D]o: [E]o:
The mixture of hot iron and aluminium is dropped into a beaker containing 100 g of water at 15 oC. What is the final temperature of the liquid water
an experiment was performed to determine the amount of pyridoxine (B6) in a vitamin tablet. A tablet weighing 0.4006g was dissolved in 25mL of solution
use any resources available to you to find the structures of these drugs and then identify the functional group or
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