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 find out the ΔH0rxn for  the given reaction as C3H4(g) + 2 H2(g) → C3H8(g) 

given  information: C3H4(g) + 4 O2(g) → 3 CO2(g) + 2 H2O(l) ΔH0rxn = -1937 kJ/mol rxn , 2 H2(g) + O2(g)→ 2 H2O(l) ΔH0rxn = -571.6 kJ/mol rxn , C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(l) ΔH0rxn = -2220 kJ/mol rxn

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