Question

MHE Reader Propane, C3Hs(&), reacts with oxygen gas to produce carbon dioxide gas and water vapor. a) b) 2. Write a balanced equation including states of matter for the reaction. If 4.55 g of propane reacts with excess oxygen under standard conditions, calculate the theoretical yields (in grams) for both carbon dioxide and water, and · the total amount of heat released/absorbed when the reaction is complete. c) Ethanol is currently being used as a replenishable fuel alternative/supplement because it can be produced from plants. Calculate the total amount of heat absorbed/released from the combustion of (a) one mole of gaseous ethanol (C2HsOH) and (b) one mole of gaseous propane. Assume that carbon dioxide and water are the only products for each reaction. Show all of your work, including the balanced chemical equation for the combustion of ethanol and units in calculations. Based on your calculations, describe how ethanol compares to propane as an energy source. Standard Thermodynamic Values at 298 K Substance CO (g) CH OH(8) CaHs(g) H20(8) (kJ/mol) -393.5 -235.1 -105 241.826

Answer 1

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