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In a normal breath. about 0.5 L of air at 1.0 atm and 293 k is inhaled. about 25.0% of the oxygen in air is absorbed by the lungs and passes into the bloodstresm. for a respiration rate of 18 breaths per minute, how many moles of oxygen per minute are absorbed by the body? assume the mole fraction of oxygen in air is 0.21. compare this result with example problem 1.1.
Are Enzymes in Laundry Detergents Effective Stain Removers
CO exhibits an infrared absorption band at 2143 cm^-1 that is attributed to the symmetric stretching transition. Assuming this corresponds to a transition from the v=0 to v=1 vibrational quantum number
At 0.0oC, if the volume of air is 2.9 mL and the pressure of the atmosphere that day is 675 mmHg, what is the number of moles of air?
a 20.00 ml aliquot of 0.120 m cu solution is titrated with a 0.100 m solution of ce4 according to the following
How much KClO3 in grams is needed to generate 7.50L of O2 at pressure of 1.00atm and temp of 298K?
A 43.0 g sample of Fe metal at 90.0°C is placed into 150.0 mL of water at 22.5 °C. After equilibrium is reached the final temperature of the system is 24.5°C. What is the specific heat capacity of the metal
Le Chatelier's principle describes the way that a reaction at equilibrium will respond if that equilibrium is somehow disturbed. Imagine that you have a reversible reaction you want to perform that produces a very valuable product but the equilibr..
What type of bonding between amino acid residues is most important in holding a protein and polypeptide in a specific secondary configuration?
Draw the best Lewis structure for azoxymethane, whose sigma-bond network is given to you. Azoxymethane is a neutral molecule.
What are the advantages and disadvantages of gas chromatography compared to other chromatographic techniques
Enough of a monoprotic acid is dissolved in water to produce a 0.0126 M solution. The pH of the resulting solution is 6.38. calculate the Ka for the acid
The rate of an enzyme-catalyzed reaction usually increases with temperature, but then decreases after reaching the "optimal temperature."
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