Calculate the heat released (kJ) in the reaction of 3.50 g of acetylene (C2H2) and excess hydrogen gas to form ethane gas: C2H2(g) + 2H2(g) → C2H6(g) Given: 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) ΔH = –2320 kJ/mol 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g) ΔH = –3040 kJ/mol 2H2(g) + O2(g) → 2H2O(g) ΔH = –572 kJ/mol

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Reactive Processes

Reactive processes are the processes in which any reaction occurs. The reactions can be any combination reaction, decomposition reaction, combustion reaction, oxidation reaction, reduction reaction, neutralization reaction, displacement reaction, or double displacement reaction.