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Explain a heliox deep-sea diving mixture delivers an oxygen partial pressure of 0.30 atm while the total pressure is 11.5 atm
Explain what is the partial pressure of helium in this mixture?
Calculate the nonstandard emf for each of the following reactions if the concentration of each of the ions in these reactions is 0.0004 molar and everything else is standard (use 298 K for the temperature, R = 8.314 J/mol-K, and F = 96,485 C/mol)
The net reaction is C6H1206(s) -> 2 C2H50H(l) + 2 C02(g) Calculate the mass of glucose required to produce 1.00 L of CO2 measured at P = 1.00 atm and T = 300. K.
a student measures the conductivity of a kno3 solution and determines it to be a strong electrolyte. the student
A solution containing 50.0 mL of 0.15 M C2H3COOH is titrated with 0.15 M NaOH. What is the pH of the solution after the addition of 25 mL of NaOH. pKa for C2H3COOH is 4.76.
a solution is prepared by dissolving 4.21g of a nonelectrolyte in 50.0 g of water. if the boiling point increases by
hydrogen can be produced by treating coal with steam cs h2ol --gt cog h2gho 131.3 kjmol so 133.6 jmol-kassuming h
how much water would be needed to completely dissolve 1.78 of the gas at a pressure of 730 and a temperature of 27? a
Calculate the millimoles of copper (II) sulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.
Explain why p-nitrophenol is a stronger acid than phenol itself. Would p-methoxyphenol be a stronger or weaker acid than phenol. Explain
to test the effectiveness of a gunpowder mixture 1 gram was exploded under controlled stp conditions and the reaction
1- an element crystalizes in a body centered cubic lattice. theedge of the unit cell is 3.36 angstroms and the density
Draw molecular structures for the compounds listed below. If there is any ambiguity about the stereochemistry for the compound, be sure to draw all possible isomers.
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