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At 37oC the concentration of Fe3+ insidea cell is 0.082 M and outside is 0.013 M . The cell membrane ispermeable to Fe3+. What potential difference in voltswould have to exist across the membrane for Fe3+ tobe in equilibrium at the stated conditions? Give you answer as theabsolute value of the potential difference in volts.
The initial weight of the substance was = 1.391g After the heating process weight was = .404g % mass of water is = 29.0% Class average (true value) = 29.3% Question is, what is a plausible reason for a % mass of water that is higher/lower than the..
In lab we are doing chemical kinetics. We started off with 0.7550 M of Oxalic acid and then added water and 0.1300 M of Permanganate. For the first trial, 5 mL of Oxalic acid was used, then 6 mL of water were added and then 1 mL of Permanganate we..
At a pressure of 1 atmosphere and a temperature of 25 °C, 500 cm3 of the gas HX has a mass of 0.400 g. Calculate the value of the relative atomic mass of X and hence identify element X.
calculate the percentage of empty space in 1 mol of water at 25C. Obtain the density from the experiment " Some Measurements of Mass and Volume." The volume of a molecule of water can be taken as the sum of the volumes of the two hydrogen atoms.
What mass of sucrose (C12H22O11) should be combined with 494 g of water to make a solution with an osmotic pressure of 9.00 atm at 320 K?
The rate constant increases by a factor of 2.00 when the temperature is increased from 80 C to 115 C. estimate the arrhenius activation energy.
Erythrocytes phosphorylate glucose to glucose 6-phosphate with the help of the enzyme hexokinase instead of glucokinase. Hexokinase has a Km = 0.055 mM. How low would the blood glucose concentration have to fall to decrease the rate of glucose pho..
ethanol or t-butyl alcohol were used instead of iospropyl alcohol in the attempted photochemical dimerization of benzophenone
Are there any other particular ones more important or can some of them actually have a harmful effect on the human body.
An Indy race car can travel 111 m/s. What is the speed of the car in miles per hour? (Given: 1 mi = 1.61 km, and 1 h = 3600 s)
A material contains a high concentration of BaO and Al2O3. If its composition were changed to reduce the BaO concentration, and increase the SiO2 concentration. Would viscosity at some given temperature be higher or lower with the new concentratio..
If a solution containing 48.91 g of mercury(II) acetate is allowed to react completely with a solution containing 7.410 g of sodium sulifide how many grams of a solid precipitate will be formed?
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