One mole of octane (C8H18) fuels an internal combustion engine. When the octane burns in a...

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One mole of octane (C8H18) fuels an internal combustion engine. When the octane burns in a cylinder the piston moves upward, as shown below. (Assume that air is an ideal gas and is 80% N2 and 20% O2.) Note that ALL of the O2 is used in the reaction. 5.0 bar C₂H₁8 + air T=25°C insulated gas C8H18(9) CO2 H₂O(g) N2 kJ/mol AfH -208.8 -393.5 -241.8 0 5.0 bar Answer the following questions using the data below. Assume that the heat capacities are constant over this temperature range. Be sure to use the correct sign for questions 4 and 5. J/mol-K Cp 75.6 47.8 40.3 31.9 CO,+ H,O + N₂ T=? insulated One mole of octane (C8H18) fuels an internal combustion engine. When the octane burns in a cylinder the piston moves upward, as shown below. (Assume that air is an ideal gas and is 80% N2 and 20% O2.) Note that ALL of the O2 is used in the reaction. 5.0 bar C₂H₁8 + air T=25°C insulated gas C8H18(9) CO2 H₂O(g) N2 kJ/mol AfH -208.8 -393.5 -241.8 0 5.0 bar Answer the following questions using the data below. Assume that the heat capacities are constant over this temperature range. Be sure to use the correct sign for questions 4 and 5. J/mol-K Cp 75.6 47.8 40.3 31.9 CO,+ H,O + N₂ T=? insulated

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The balanced reaction for combustion of octane excluding Nitrogen is given by C8H18 12502 g ... View the full answer