Copyright ©
Houghton Mifflin Company. All rights reserved.
CRS Question, 6–28
ANSWER
Choice 3 provides the correct sign and value, and
energy for a tasty barbeque. The summation of the heats of formation of
products (taking into account the number of moles) – the summation of the
heats of formation of reactants (taking into account the number
of moles) yields the correct value.
Section
6.4: Standard Enthalpies of Formation