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Carbon disulfide can be prepared from coke ( an impure form of carbon) and elemental sulfur. 4C(s)+S 8 (s) = 4CS 2 (l) Delta H=+358.8 kJ Calculate the amount of heat absorbed when 1.63 mol S 8 is reacted at constant pressure. Calculate the amount of heat absorbed in the reaction of 173 g of carbon with excess sulfur. Calculate the amount of CS 2 produced when 397 kJ of heat is absorbed.