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Calculate the pressure and composition of air 100 miles above the surface of the earth assuming that the atmosphere has a temperature of 0 celsius independent of altitude. The correct answer is 3.27 X 10^-9 bar; yO2=0.015, yN2=0.985 but I don't know how to solve it.
What should be the concentration of the NaCl solution (in g/L) so that it will have the same osmotic pressure as the blood at 37 deg C
Find the number of unpaired electrons, magnetic moment and ligand field stabilization energy (LFSE).
What mass of sucrose C 12 H 22 O 11 must be mixed with 543 grams of H 2 O to make a solution with an osmotic pressure =8.00 atm at the temperature of 12 degree celsius?
Determine the work done by the evolution of H 2 in the subsequent reaction on the surrounding atmosphere with1atm pressure and at 25 degree celsius temperature and express your answer in Joule
The pH at one half the equivalence point in an acid-base titration was found to be 5.73. What is the value of Ka for this unknown acid?
The compound known as butylated hydroxytoluene, abbreviated as BHT, contains carbon, hyrdrogen, and oxygen. A 2.626 g sample of BHT was combusted in an oxygen rich environment to produce 7.867g of
A solution is prepared by mixing 50.0 ml of 0.10 MPb(No3)2 with 50.0 mL of 1.0 M KCl. Calculate the concentrations of PB+2 and Cl- at equilibrium(ksp=1.6 times 10^-5)
Ammonia gas at 223°C and 90. atm flows into a reactor at a rate of 680. L/min. Carbon dioxide at 223°C and 43 atm flows into the reactor at a rate of 600. L/min. What mass of urea is produced per minute by this reaction assuming 100% yield?
How many molecules of substance B are produced when 30.0 g of substance A reacts? The molar mass of substance A is 23.5 g/mol. A) Convert the mass of A to moles
Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water
Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution contatining 0.070 lysine HL 0.055 mol aspartic acid H2A and 0.0080 mol NaOH.
what is the pressure of H2 gas collected over water when the total pressure is .980 atm at 25 degrees celsius.
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