Given (i)C(graphite)+O2(g)→CO2(g);△rH∘=xKJmol−1(ii)C(graphite) – InterviewSolution

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1.	Given (i)C(graphite)+O2(g)→CO2(g);△rH∘=xKJmol−1(ii)C(graphite)+12O2(g)→CO(g);△rH∘=yKJmol−1(iii)CO(g)+12O2(g)→CO2(g);△rH∘=zKJmol−1Based on the above thermochemical equations, find out which one of the following algebraic relationships is correct?
Answer» Given $(i) C_{(g r a p h i t e)} + O_{2 (g)} \to C O_{2 (g)}; △_{r} H^{\circ} = x K J m o l^{- 1} (i i) C_{(g r a p h i t e)} + \frac{1}{2} O_{2 (g)} \to C O_{(g)}; △_{r} H^{\circ} = y K J m o l^{- 1} (i i i) C O_{(g)} + \frac{1}{2} O_{2 (g)} \to C O_{2 (g)}; △_{r} H^{\circ} = z K J m o l^{- 1}$ Based on the above thermochemical equations, find out which one of the following algebraic relationships is correct?

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