A35.6 g sample of ethanol (c2h5oh) is burned in a bomb calorimeter, according to the following reaction. if the temperature rose from 35.0 to 76.0 c and the heat capacity of the calorimeter is 23.3 kj/ c, what is the value of dh rxn? the molar mass of ethanol is 46.07 g/mol.
c2h5oh(l) + o2(g) --> co2(g) + h2o(g) ? h_ rxn = ?
a) -1.24 * 103 kj/mol
b) +1.24 * 103 kj/mol
c) -8.09 * 103 kj/mol
d) -9.55 * 103 kj/mol
e) +9.55 * 103 kj/mol
Answers: 2
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