Determine the molar enthalpy
In an experiment, 6.00 g of Mg(s) was reacted completely with O2(g) to form MgO(s) and 148.5 kJ of heat was evolved. What is the molar enthalpy in kJ/mol of formation of MgO(s)?
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Assume that Felde Company sells the same number of units in 2012 as it did in 2011. What would the selling price have to be in order to reach the stockholders' desired profit level?
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A 5.05g sample of a copper substance was heated in air and 6.32g of copper II oxide was formed. what was the formula of the orginal copper substance?
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The Henry's Law constant KH for O2 in water at 20 degrees C is 1.28 x 10-3 mol L-1atm-1. How many grams of O2 will dissolve in 2.0 L of H2O that is in contact with pure O2 at 1 atm?
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