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In order to live, we must have a constant supply of oxygen to our cells. We get this oxygen by breathing in air. The oxygen in the air mixes with blood and becomes bound by hemoglobin. The oxygenated hemoglobin then transports the oxygen to cells that need it. Once there, the hemoglobin releases oxygen. Excess carbon dioxide is picked up by the hemoglobin and transported to the lungs where it is released and exhaled.Using the concepts of equilibrium and Le Chatelier's principle, explain why oxygen moves from the air in the lungs to cells and carbon dioxide moves from cells to the air in the lungs.
A buffer solution is prepared by mixing enough acetic acid and potassium acetate to give 500ml of a solution that is 0.500 M acetic acid and 0.500 M potassium acetate. What is the pH of this buffer
Define the following terms: carbohydrate, monosaccaride, disaccharide, polysaccaride. Give an example of a simple sugar and name the functional group associated with your example.
What are advantages of Attenuated Total Reflectance (ATR) sampling in IR over Beam Through Sample sampling. What region of an IR Spectrum (give a range in wavenumbers) is most useful for distinguising between isomers that contain the same functiona..
An electric power station annually burns 3.6 107 kg of coal containing 1.8 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
Calculate the number of lines per centimeter that should be etched in the grating for each of the following conditions:(a) A first order diffraction angle (?) of -27° for visible light of 600 nm wavelength
The decomposition of hydrogen iodide on finely divided gold 150 C is zero enter with respect to HI. The rate defined below is constant at 1.20X10-4 mol/L -s
Calculate the molar heat (enthalpy) of combustion for butyric acid.
How might your description of the flame color for NaCl change if your wire containing the salt slurry was contaminated with CuCl2
How many grams of NaOH are contained in 230.0 mL of a 0.800 M sodium hydroxide solution?
when cooncentrated cacl2 aq is added to na2hpo4 aq a white ppt forms that is 38.7 ca by mass. write a net ionic
calculate avaerage rate of decomposition of H2O2 between 0 & 4.32 x 10^4 s.
What is the mole fraction of each gas. Express your answers using four significant figures. Enter your answers numerically separated by a comma.
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