2(In one experiment 0.886 mole of NO is mixed with 0.503 mol of O2. aCalculate which of the two reactants is the limiting reagent. (5 points)bCalculate also the number of moles of NO2produced. (5 points)cWhat reactant is left over and how much of it is left over?(5 points) g ) (Reference: Chang 3.83)
2 2 8) is a component of natural gas and is used in domestic cooking and heating. It burns according to the following reaction:C3H8+ O2→ CO2+ HaBalance the equation representing the combustion of propane in air. (5 points)bHow many grams of carbon dioxide can be produced by burning 20.0 pounds of propane, the typical size of a BBG grill propane tank? Assume that oxygen is the excess reagent in this reaction. (5 points) 2 O 2 O 2 O H 8 2 9Hydrogen fluoride is used in the manufacture of Freons (which destroy ozone in the stratosphere) and in the production of aluminum metal. It is prepared by the reactionCaF2+ H2SO4→ CaSO4+ In one process 6.00 kg of CaF2are treated with an excess of H2SO4and yield 2.86 kg of HF. Calculate the percent yield of HF. (5 points) 2HF 2HF
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