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What concentrations of acetic acid (pKa = 4.76) and acetate would be required to prepare a 0.10 M buffer solution at pH 5.0? Enter your answer to two significant figures. (For example, 0.0090 and 0.0097 each have two significant figures, whereas 0.009 has only one significant figure.)
At 1000K , the value of Kc for the reaction C+H20 CO+ H2 is 3.0*10^-2. Calculate the equilibrium concentrations of H20, CO2, and H2, in a reaction mixture obtained by heating 5.70 mol of steam and an excess of solid carbon in a 5.50 L container.
What mass of carbon dioxide can 1.00 kg of lithium hydroxide absorb?
The molality of the solution is determined to be .0480m. What is the molar mass of the substance?
what is moisture content of exhaust? iii) power generated by turbine? iv) at what rate would entropy be generated within turbine? v) assuming the temp of the surroundings T(sigma)=300K what is lost work in kJ/kg of steam?
How many grams of propane (C3H8) are required to heat all of the water in a 50 gallon water heater from 23.4oC to 65.0oC if the water heater (the jacket which contains the water)
What product forms at each electrolode in the aqueous electrolysis of the following salts: 1. LiF 2. SnSO4
How do you draw this structure for the molecular formula and how would you number and name it?
Which equation represents a reaction that provides the heat of formation of Fe3O4?
calculate the concentration of the hydronium ion in a solution prepared by mixing equal volumes of .050 molar HOCL and .020 molar NaOCl
A compound contains only carbon, hydrogen, nitrogen and oxygen. Combustion of 0.314 g of the compound produced 0.426 g CO2, and 0.0620 g H2O
Write a balanced chemical reaction for the formation of a free fatty acid from a soap molecule under acidic conditions. Why would the formation of free fatty acids inhibit the cleaning ability of the soap
Calculate how much heat is released when this reactions occurs at a constant temperature of 25.00 degree Celicus in a constant-volume container.
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