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Given C((s))+O(2(g))rarr CO(2(g))Delta H...

Given `C_((s))+O_(2(g))``rarr` `CO_(2(g))``Delta H=-90K` cal `mol^(-1)` and `C_((s))+(1)/(2)O_(2(g))``rarr` `CO_((g))``Delta H=-30K` cal `mol "^(-1)`in certain experiment utilizing a limited quantity of oxygen `Delta H` is observed to be `-60k` cal per mole of carbon oxidized to CO and `CO_(2)` .The ratio of moles of `CO_(2)` formed and to the total number of moles of `O_(2)` consumed is

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