The volume change associated with a chemical reaction is often approximated as being directly proportional to the change in the number of moles of gas moles of gaseous products - moles of gaseous reactants) .The combustion of methanol at 25 C and 1 atm releases about 1453 kJ of heat.Which of the following correctly describes the relationship between E and H ? 2 CH3 OH(l) + 3 O2(g) 2 CO2(g) + 4 H2O(l)
A) ( H -1453 kJ, E =-1453 kJ)
B) ( H -1453 kJ, E = -1453 kJ)
C) ( H = -1453 kJ, E -1453 kJ)
D) ( H =-1453 kJ, E -1453 kJ)
E) ( H= -1453 kJ, E = -1453 kJ)
Correct Answer:
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