A 21.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction.
If the temperature rises from 25.0 to 62.3C, determine the heat capacity of the calorimeter. The molar mass of ethanol is 46.07 g/mol.
C2H5OH(l) + 3 O2(g) 2 CO2(g) + 3 H2O(g) Hrxn = -1235 kJ
A) 4.99 kJ/C
B) 5.65 kJ/C
C) 63.7 kJ/C
D) 33.1 kJ/C
E) 15.7 kJ/C
Question 2
The similarities in properties of carboxylic acids, esters, and amides can best be explained by
A) their polarity and structural similarities.
B) their similarities in molar mass.
C) hydrogen bonding.
D) the ease with which they form ions.
E) none of these.
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