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Put in order the following molecules in terms of the Permeability of the molecule across a membrane by simple diffusion at pH 7.
List the MOST permeable molecule first and the LEAST permeable molecule last:
ATP, methyl ester of palmitic acid, CO2, Glycerol
Calculate the pH during the titration of 30.00 ml of 0.1000 M KOH with 0.1000 M HBr solution after the following additions of acid.
The indicator propyl red has Ka = 3.3 × 10-6. What would be the approximate pH range over which it would change color?
When using paper chromatography to separate components of a mixture, the manual suggests that water is wicked through the paper.
Air is a mixture of N2,O2,Ar,Co2,Ne,He,CH4,lessor amounts of the other gases and possibly substantial amount of H2O in vapor form.
How many Valence electrons does a balanced atom of Sodium have? What is the net charge on each ion?
A 1.6 g sample of a molecular compound is dissolved in 104 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51degreesC, the normal boiling point of CCl4 is 61.2degreesC. The boiling point constant for ..
Determine how many kgs of methane (CH 4 ) are in completely insulated piston with the given properties: Pressure = 3 bar absolute. Volume = 2 cubic meters.
Ammonia reacts with oxygen according tot he following equation: 4NH3+5O2=4NO+6H2O deltaHrxn = -906kJ Calculate the heat (in kJ) associated with the complete reaction of 155g of NH3.
Acid, Bases and Proton Transfer, what is the direction of proton transfer?
Inversion of Configuration and Determination of R/S. Draw a compound with an asymmetric center. Rotate so that you can determine whether it is R or S. Invert the stereochemistry
if 100 mL of 0.800 M Na2SO4 is added to 200 mL of 1.20 M NaCl, what is the concentration of Na ions in the final solution?
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