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[" In the reaction: "S+3/2O(2)rarr SO(3)...

[" In the reaction: "S+3/2O_(2)rarr SO_(3)+2x" kcal and "],[SO_(2)+1/2O_(2)rarr SO_(3)+y" kcal,the heat of "],[" formation of "SO_(2)" is "],[[" (1) "(2x+y)," (2) "(x-y)],[" (3) "(x+y)," (4) "(y-2x)]]

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S + (3)/(2)O_(2) rarr SO_(3) + 2x kcal SO_(2) + (1)/(2) O_(2) rarr SO_(3) + y kcal Find out the heat of formation of SO_(2) :

In the reaction, S + 3//2 O_2 rarr SO_3 + 2x kJ and SO_2 + 1//2 O_2 rarr SO_3 + y kJ .Heat of formation of SO_2 is: