1.

On the basis of theromochemical equations( 1), (2) and (3), find out which of the algebraic relationships given in options (a) to (d) is correct 1. C(graphite)+O2(g)→CO2(g); ΔrH=x kJ mol−12. C(graphite)+12O2(g)→CO(g);Δr H=y kJ mol−13. CO(g)+12O2(g)→CO2(g); ΔrH=z kJ mol−1 (a) z = x + y (b) x =y - z (c) x =y + z (d) y =22 - x

Answer»

On the basis of theromochemical equations( 1), (2) and (3), find out which of the algebraic relationships given in options (a) to (d) is correct
1. C(graphite)+O2(g)CO2(g); ΔrH=x kJ mol12. C(graphite)+12O2(g)CO(g);Δr H=y kJ mol13. CO(g)+12O2(g)CO2(g); ΔrH=z kJ mol1
(a) z = x + y
(b) x =y - z
(c) x =y + z
(d) y =22 - x



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