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The solubility of N2 in blood can be a serious problem (the "bends") for divers breathing compressed air (78% N2 by volume) at depths greater than 50 ft. Find the volume (in mL) of N2, measured at 25degrees celsius and 1.00 atm, released per liter of blood when a diver at a depth 50 ft rises to the surface. the total pressure (water weight plus atmospheric pressure) on the diver at 50 ft is 2.47535atm (kH for N2 in water at 25 degrees celsius is 7.0x10^-4 mol/Lxatm I got the answer wrong so it said: "you need to use the relationship between solubility and gas pressure, solubility= kh x P to determine the solubility of N2 at the surface and at a depth of 50 ft. You then need to convert the difference in solubility at the two depths to determine the number of moles of N2 released while rising to the surface." it is not .00771 or 17.126 mL which were the two common answers people got.
A student titrated 20.0 mL of 0.410M HCL with 0.320M NaOH. Find the pH, [H3O+], and [OH-] when 21.50mL of titrant has been added.
Suppose 317 mL of 4.14 M HCIO4 Solution is added to enough water to make a total of 7.70 L. What is the molarity of HCIO4 in this new solution?
A mixture of CaCO3 and CaO weighing 0.635 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.427 g. Assuming all the CaCO3 broke down to CaO and CO2,
Calculate the radius of the metal atom. A hypothetical metal has a face-centered cubic unit cell with the edge length of 4.943 Å.
How many molecules of ethanol C2H5OH are present in 135 g of ethanol? The density of ethanol is 0.789 g/cm3?
A 952 cm3 container of gas is exerting a pressure of 108 kPa while at a temperature of 48 oC. Calculate the pressure of this same amount of gas in a 1236 cm3 container at a temperature of 64 oC
How much heat in kilojoules is evolved in converting 1.50 mole of steam at 150 deg celsiys to ice at -35.0 deg. celsius? The heat capacity of steam is 1.84 J/g. deg celsius.
A gaseous mixture of O2 and N2 contains 36.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 mmHg.
what is the functional groups and molecular formula of aspartame, the NH2 is below the 3rd C and the CH2 is below the 5th C
A 5.0×101 sample of water absorbs 355 of heat.If the water was initially at 25.9, what is its final temperature.
what is the enthapy change needed to heat 1 kg of water at 0.4 MPa and 4°C to steam at 150°C and 0.4 MPa? b/ Does a state change from saturated vapor at 230°C to the state 100°C and 0.05 MPa represent an enthalpy increase or decrease?
Organic Reactions - Cyclopentadiene, Why is cyclopentadiene monomer more stable at higher temperatures although dicyclopentadiene (dimer) is more stable at lower temperatures?
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