Solved

Choose the Correct Equation for the Standard Enthalpy of Formation $\Delta$

Question 62

Multiple Choice

Choose the correct equation for the standard enthalpy of formation of CO(g) ,where $\Delta$ H_f° for CO = -110.5 kJ/mol (gr indicates graphite) .

A) 2C(gr) + O₂(g) $\to$ 2CO(g) , $\Delta$ H° = -110.5 kJ
B) C(gr) + O(g) $\to$ CO(g) , $\Delta$ H° = -110.5 kJ
C) C(gr) + $Choose the correct equation for the standard enthalpy of formation of CO(g) ,where \Delta H<sub>f</sub>° for CO = -110.5 kJ/mol (gr indicates graphite) . A) 2C(gr) + O<sub>2</sub>(g) \to 2CO(g) , \Delta H° = -110.5 kJ B) C(gr) + O(g) \to CO(g) , \Delta H° = -110.5 kJ C) C(gr) + O<sub>2</sub>(g) \to CO(g) , \Delta H° = -110.5 kJ D) C(gr) + CO<sub>2</sub>(g) \to 2CO(g) , \Delta H° = -110.5 kJ E) CO(g) \to C(gr) + O(g) , \Delta H° = -110.5 kJ$ O₂(g) $\to$ CO(g) , $\Delta$ H° = -110.5 kJ
D) C(gr) + CO₂(g) $\to$ 2CO(g) , $\Delta$ H° = -110.5 kJ
E) CO(g) $\to$ C(gr) + O(g) , $\Delta$ H° = -110.5 kJ