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Steam undergoes decomposition at high te...

Steam undergoes decomposition at high temperature as per the reaction : `H_(2)O(g)to H_(2)(g)+(1)/(2)O_(2)(g)` `Delta H^(@)=200kJmol^(-1)Delta S^(@)=40JK^(-1)mol^(-1)` The temperature at which equilibrium constant is unity is :

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