Question

Given :
(i) C(graphite) + O₂ (g) → CO₂ (g); ∆ᵣHº= x kJ mol⁻¹
(ii) C(graphite) + (1/2)O₂ (g) → CO (g); ∆ᵣHº= y kJ mol⁻¹
(iii) CO(g) + (1/2)O₂ (g) → CO₂ (g); ∆ᵣHº= z kJ mol⁻¹
Based on the above thermochemical equations, find out which one of the following algebraic relationships is correct?
(A) x = y + z (B) z = x + y
(C) y = 2z – x (D) x = y – z

Answer 1

Answer:

Option a is the right answer.

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