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Air entering the lungs ends up in tiny sacs called alveoli. It is from the alveoli that oxygen diffuses into the blood. The average volume of the alveoli is 6.2x10-10L. Assuming that the pressure in the alveoli is 1.0 atm and the temperature is 37 degrees C, calculate the number of moles of air in in one of the alveoli.
A bottle is labeled "Constant-boiling hydrochloric acid, 21.0 percent HCl by mass, density 1.1 g/mL." Calculate the molarity of the HCl solution.
A 100.0-g sample of copper is heated from 10.0°C to 100.0°C. a) Determine the number of calories needed. (The specific heat of copper is 0.0921 cal/goC).
A sample of H2 gas (2.0 L) at 3.5 atm was combined with 1.5 L of N2 gas at 2.6 atm pressure at a constant temperature of 25 °C into a 7.0 L flask
What is the difference in entropy between ethanol's liquid and gaseous states at 351.44 K? What I'm asking is what is the size of the "jump" on the Sm versus Temperature curve.
Four hundred kg/h of Steam from a low pressure turbine at 12.5 atm. and 250 C goes into a feed water heater which preheats the water entering the economizer in a boiler. The steam is comes out of the feed water at 200 C. The water at a flow rate o..
The synthesis of Amyl acetate by alcohol and anhydride, there are some chemicals be provided: Potassium carbonate, Calcium carbonate, Sodium sulfate
When ethane (C2H6) reacts with chlorine (Cl2), the main product is C2H5Cl, but other products containing CI, such as C2H4CI2, are also obtained in small quantities.the formation of these other products reduces the yield of C2H5CI.
we were given mass and volume and we were asked to find limiting reactant in second question we were asked to find
Compute the density of dry air and molar mass at zero degree Celsius temperature and 1.0 atm of pressure.
A fuel gas containing 75% methane, 15% ethane and 10% propane by volume flows to a furnace at a rate of 1200m^3/hr at 15'C and 200kPa, where it is burned with 12% excess air. Calculate the required flow rate of air in SCMH
At high pressures, real gases do not behave ideally. Use the van der waals equation and data in the text to calculate the pressure exerted by 18 gram of H2 at 20C in a 1.00L container.
At 25C the acid dissociation constant for formic acid is 6.9x10-4. Calculate DG for this reaction. R=8.31x10-3 kj/K) Can you please help me work this problem.
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