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Calculate ΔH∘ in kilojoules for the reaction of acetylene (C2H2) (ΔH∘f=227.4kJ/mol) with O2 to yield carbon dioxide...

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Chemistry

Calculate ΔH∘ in kilojoules for the reaction ofacetylene (C2H2) (ΔH∘f=227.4kJ/mol) with O2 to yieldcarbon dioxide (CO2)(ΔH∘f=−393.5 kJ/mol) andH2O(g) (ΔH∘f=−241.8kJ/mol), a reaction which issupplied by the industrial gases industry for oxyacetylene gaswelding and cutting due to the high temperature of the flame.

2C2H2(g)+5O2(g)→4CO2(g)+2H2O(g)

Express your answer using one decimal place.

Answer & Explanation Solved by verified expert
3.6 Ratings (457 Votes)
fH0C2H2 2274 KJmolfH0O2g 0 KJmolfH0CO2g    See Answer
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