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A 1.00 L tank contains 0.350 atm of NH3 (g) at 22.1* C. If the entire contents of the tank are dissolved in 290.0 mL of water, what is the resulting pH of this solution?
Kb for NH3 = -1.8 x 10^-5 (R= 0.08206 L atm K^-1 mol^-1, Kw = 1.0 x 10^-14)
a. 10.972b. 11.622c. 1.840d. 9.698e. 3.028
What volume of 0.200M Iron(II)sulfate solution would be required to react with 20.0mml of 0.250M potassium permangante(in sulfuric acid solution)?
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A deep-sea diver uses a gas cylinder with a volume of 10.0 {\rm L} and a content of 51.8g of {\rm O}_{2} and 33.6g of {\rm He}. Calculate the partial pressure of each gas and the total pressure if the temperature of the gas is 20^\circ C.
Calculate concentration of soil organic matter in content given the concentration of organic carbon
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How many grams of NaOH and H2O are required to prepare 100 g of a 28.7% NaOH by weight solution?
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An unknown mass of each of the given substances 1.Sand (tf=70.4 C),2.Pyrex glass(tf=67.6 C),3.water(tf=55.9 C) ,4.ethanol (tf=45.9 C), initially at 19.0 degrees Celsius, absorbs 1930 Joules of heat. Find out the mass of each substance.
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