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Given that the solubility of O2 in water at 0 degrees C is 14.7ppm calculate a The concentration of dissolved O2 in mol/Lb The value of Henry's Law constant in mol/l/kpa for O2 at this temperature.The atmospheric pressure is 1 atm ( the mole fraction of oxygen in air is 0.21)
If 0.130 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
Show that you can selectively precipitate ONLY AgBr at a concentration of Ag of 5.5x10^-10 M in a solution that contains both Br- and CI- at a concentration of 0.02M.
The original concentration of Glucose-6-phosphate is 0.25 M, but when the system reaches equilibrium, only 2.5% of the original glucose-6-phosphate remains. calculate the Keq.
How much energy must be supplied to break a single 21Ne nucleus into separated protons and neutrons if the nucleus has a mass of 20.98846 amu. What is the nuclear binding energy for 1 {\rm mol} of {\rm ^{21}Ne}
what products may have been formed during the combustion of the gas?
The balance used to measure the mass of the metal reads low (for example, it reads 19.4 g instead of an actual 19.7 g). How will this error, due to miscalculation of the balance, affect the reported specific heat value for the metal. Explain.
What is the pH of the solution created by combining 1.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
Why do lithium and sodium exhibit similar chemical behavior? What is the stadard potential of 1/2 O2 My table says 1.229
a reaction having time independent stoichiometry follows the equation a2b 2z . suppose the initially there 0.28 mol of
A zero-order reaction has a constant rate of 2.40×10?4 M/s. If after 45.0 seconds the concentration has dropped to 2.00×10?2 M , what was the initial concentration
We want to change the volume of a fixed amount of gas from 725ml to 2.05L while holding the temperature constant. To what value must we change the pressure if the initial pressure is 110kpa
Assume a density of 1.08g/mL for the solution. A)Find molarity of solution B)Find molality of solution C)Calculate mass percent of solution
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