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Hemoglobin, the red blood protein responsible for oxygen transport, binds about 1.34cm^3 of oxygen per gram. Normal blood has a hemoglobin concentration of 150 g dm^-3. Hemoglobin in the lungs is about 97 per cent saturated with oxygen, but in the capillary is only about 75 per cent saturated. What volume of oxygen is given up by 100cm^3 of blood flowing from the lungs in the capillary? (1.34cm^3/g is the 97% bingding of O2 to hemoglobin per gram for blood in the lungs).
Methanol burns in oxygen to form carbon dioxide and water. Find delta Hrxn,Srxn, and Grxn all at 25 degrees celsius
A 9.41g sample of HgCl2 is dissolved in 32.75g ethanol (C2H6O). The boiling point is elevated to 80.58 C. Is mercury (II) chloride an electrolyte in ethanol
The activatoin energy for the diffusion of copper in silver is 193,000 J/mol. Calculate the diffusion coefficient at 1200 K (927 degrees C), given that D at 1000 K (727 degrees C) is 1.0 x 10^-14 m^2/s
The U.S. recommended daily allowance (RDA) of folic acid, (C19H19N7O6) is 400.0 ?g. Calculate the number of molecules in the U.S. RDA. Do not enter units.
You have a sugar solution( solution A) with concentration x. You pour 1/4 of this solution into a beaker, and add an equivalent volume of water (solution B)
A mole of sodium hydroxide has a mass of 40 g. In order to prepare a .1M solution, how many grams of sodium hydroxide must be added to 500 mL of water
Hypochlorous acid, HClO, has a pKa of 7.52. What is the value of the acidity constant for this acid. Enter your result to 3 significant figures in E format - for example 1.23E-4 represents 1.23x10-4.
Dental X-Rays expose patients ot about 5.0uSv of radiation. Given an RBE of 1 for X-Rays, how many micrograys of radiaion
A real gas behaves more like an ideal gas at high pressures and low temperatures. 4. The individual gas particles are not attracted to one another.
Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25°C.
A sunscreen contains 2.50% mass benzyl silicylate. If a tube contains 4.0 oz of sunscreen, how many kg of benzyl silicaylate is needed to make 325 tubes of sunscreen. where/how does the percentage fit in when i set up the problem
By using photons of specific wavelengths, chemists can dissociate gaseous H-I to produce H atoms with accurately known speeds. When H-I dissociates, the H atoms move away rapidly, whereas the relatively heavy I atoms move little. Average Bond Ener..
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