839 kJ/mol C ≡ C # of bonds ______ (product / reactant) side Energy:_____
495 kJ/mol O = O # of bonds ______ (product / reactant) side Energy:_____
413 kJ/mol C—H # of bonds _____ (product / reactant) side Energy:_____
358 kJ/mol C—O # of bonds ______ (product / reactant) side Energy:_____
467 kJ/mol H—O # of bonds ______ (product / reactant) side Energy:_____
Add the energies on the reactant side __________ kJ/mol
Add the energies on the product side __________ kJ/mol
This reaction is (exothermic / endothermic)
The reaction (produces / absorbs) __________ kJ when ____ moles of acetylene (C2H2) reacts.