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(i) Draw the oxygen dissociation curves for myoglobin and hemoglobin on the same graph. lable axes, give units and provide key values. Concisely interpet and explain the 2 curves in terms of the specific structure and function of the two molecules.
(ii) Show and explain the effects that (a) increasing concentration of hydrogen ion and (b) the fetal form of globin have on the hemoglobin curve. What are the functional outcomes of these effects?
Diethylamine, (C2H5)2NH, is a weak base (pKb=3.16 at 25oC). What is the pH of 0.155 mol/L (C2H5)2NH(aq) at 25oC
A titration was performed at 25 degrees C and the Ksp of a slighlty soluble salt was determined to be 1.5×10-4. Calculate the standard Gibbs Free Energy of this salt. R = 8.314 J/mol-K
Electrons appear on the right side of a reduction half reaction. A reductant is an reducing agent, which becomes oxidized during the course of a redox reaction.
The density of ethanol is 0.7893 g/mL. What is the volume of 3.5 grams of ethanol. Of 7.0 grams of ethanol.
What is the molarity (M) of a solution that contains 2.08 grams of NaOH (MM = 40.00 g/mol) in 79.65 mL of solution.
Write the equalities and conversion factor to complete the following problems. Use scientific notation and the correct number of significant figures. 6.3 x 10-6 uL=______________L (ten power to the negetive six)
A solution is 40.0% by volume benzene (C6H6) in carbon tetrachloride at 20C. The vapor pressure of pure benzene at this temperature is 74.61 mmHg and its density is 0.87865 g/cm3
What is the pressure of a 10g sample of sulfur trioxide in atmospheres at a temperature of 20 degrees Celsius that has a volume of 50L
what is the atomic radius of carbon. calculate length, continuous chain of 18 carbon atom
Describe the use of light absorbing reagents in amino acid chromatography. What are these reagents used for? Name two reagents that are commonly used and describe how they react with amino acids.
The mole fraction of toluene in an ideal solution of cyclohexane and toluene that has a vapor pressure equals to 53.2 mmHg at 25oC is: A) 0.25 B) 0.28 C) 0.31 D) 0.35
Draw two molecules that are diastereomers and calculate the energy of each. Then draw two molecules that are enantiomers and calculate the energy of each. (You may use the same molecule twice). Comment on how the results agree or do not agree with..
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