Calculate the amount of heat released (in kJ) when 4.195 g of liquid ethanol is burned in excess oxygen to make carbon dioxide and liquid water. The enthalpies of formation of the products and reactants are: CO2(g): -393.51 kJ/mol H₂O(l): -285.83 kJ/mol O₂(g): 0 kJ/mol C₂H5OH(1): -276.00 kJ/mol Hint: Write the balanced equation and calculate the AHrxn in kJ/mol. Then calculate the heat released for the given quantity of

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Calculate the amount of heat released (in kJ)
when 4.195 g of liquid ethanol is burned in
excess oxygen to make carbon dioxide and
liquid water. The enthalpies of formation of
the products and reactants are:
CO2(g): -393.51 kJ/mol
H₂O(l): -285.83 kJ/mol
O₂(g): 0 kJ/mol
C₂H5OH(): -276.00 kJ/mol
Hint: Write the balanced equation and
calculate the AHrxn in kJ/mol. Then calculate
the heat released for the given quantity of
ethanol.
Transcribed Image Text:Calculate the amount of heat released (in kJ) when 4.195 g of liquid ethanol is burned in excess oxygen to make carbon dioxide and liquid water. The enthalpies of formation of the products and reactants are: CO2(g): -393.51 kJ/mol H₂O(l): -285.83 kJ/mol O₂(g): 0 kJ/mol C₂H5OH(): -276.00 kJ/mol Hint: Write the balanced equation and calculate the AHrxn in kJ/mol. Then calculate the heat released for the given quantity of ethanol.
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