Calculate the amount of heat produced when 4.388 L of liquid acetonitrile (C2H3N) is burned in excess oxygen gas at 25oC according to the following thermochemical reaction: 4C2H3N(l)+11O2(g)→8CO2(g)+6H2O(g)+2N2(g)△H=−4989kJ The density of acetonitrile at 25oC is 0.7857 g/mL.

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