Multiple Choice
Estimate the enthalpy change for the combustion of one mole of acetylene, C2H2, to form carbon dioxide and water vapor.
BE(C-H) = 456 kJ/mol
BE(C C) = 962 kJ/mol
BE(O=O) = 499 kJ/mol
BE(C=O) = 802 kJ/mol
BE(O-H) = 462 kJ/mol
A) +1010 kJ/mol
B) +653 kJ/mol
C) -155 kJ/mol
D) -1010 kJ/mol
E) -1759 kJ/mol
Correct Answer:

Verified
Correct Answer:
Verified
Q104: Which one of the following compounds does
Q105: Which of the elements listed below would
Q106: List all types of bonding present in
Q107: List all types of bonding present in
Q108: Use the bond enthalpy data given
Q110: The ion O<sub>2</sub><sup>2-</sup> shows both ionic and
Q111: The number of lone electron pairs in
Q112: The total number of valence electrons in
Q113: The formal charge on the sulfur atom
Q114: Which of the following substances will display