(Answered) An oxy-acetylene welding torch uses ethyne acetylene at the

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An oxy-acetylene welding torch uses ethyne (acetylene) at the rate of 500 mL per minute, measured at STP. The reaction is described by:

2C₂H₂(g) + 5O₂(g) ® 4CO₂(g) + 2H₂O(l); DH = -2599 kJ mol^-1

What is the heat of combustion of ethyne in kJ mol^-1 and kJ g^-1?

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