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Consider a neuron at rest at 37°C with ion concentrationsinside and outside the cell as at right inside outside
Na+ 10 mM 150 mMK+ 70 mM 5 mMi) What is the voltage due to only the difference in concentrations of K+ across the membrane (outside - inside) under these conditions?
ii) What voltage must be applied to the membrane to open a K+channel? In other words, at what voltage are there equalconcentrations of (only) K+ across the membrane?
butanes molar enthalpy of vaporization is 22.44kjmol and its normal boiling point is -0.40c. a 250 ml sealed
What is the partial pressure of oxygen gas in an oxygen and neon gas mixture at 1.280 atm. The gas mixture contains 15.00 g of oxygen and 15.00 g of neon
Palladium crystallizes in a face-centered cubic unit cell. Its density is 12.0 g/cm^3 at 27 degrees C. Calculate the atomic radius of Pd.
The reactant concentration in a zero-order reaction was 0.100 M after 115 s and 2.50×10-2 M after 350 s. What is the rate constant for this reaction. what is the initial concentration for this reaction. k=3.19*10 -4
A mixture of helium and neon gases at 237 K contains three times the number of helium atoms as neon atoms. The concentration (n/V) of the mixture is found to be 0.150 mol/L. Assuming ideal behavior, what is the partial pressure of helium
a mixture of gas with a total pressure 760mmhg having each of the given gasesco2 ar o2at the indicated partial
Yet the stock bottle clearly reads 0.0020 M. Why? Similarly, why is the initial concentration of iron (III) ion 0.10 M when the stock bottle contained 0.20 M iron (III) nitrate?
How many Micromoles of A- and HA are present in the solution. If you now add 3mL of 1M NaOH, will you still have a valid buffer
A 26.0-g sample of ice at -10.0°C is mixed with 114.0 g of water at 72.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer
Assuming Kf= 478Kg/s^2, calculate and compare the fraction of molecules in the first excited vibrational state at 1000K
the chromatographic paper in the spot testing chromatogram. predict the effect of this procedural change on the solution of the cation in the standard mixture
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