Topical Questions
These questions are keyed to the major topics in this chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
“Gasohol,” a mixture of gasoline and ethanol, C2H5OH, is used as automobile fuel. The alcohol releases energy in a combustion reaction with O2.
If 0.115 g ethanol evolves 3.62 kJ when burned at constant pressure, what is the molar enthalpy of combustion for ethanol?
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