If the Standard Reaction Enthalpy for the Reaction NO₂(g) $\rightarrow$ NO(g)+ O(g)
Is Needed,calculate It from the Standard Enthalpy of NO(g)

question 48

Multiple Choice

If the standard reaction enthalpy for the reaction NO₂(g) $\rightarrow$ NO(g) + O(g)
Is needed,calculate it from the standard enthalpy of formation of ozone,+142.7 kJ.mol^-1 ,and from the reactions listed below:
O₂(g) $\rightarrow$ 2O(g)
$\Delta$ H° = +498.4 kJ.mol^-1
NO(g) + O₃(g) $\rightarrow$ NO₂(g) + O₂(g)
$\Delta$ H° = -200 kJ.mol^-1

• A)+355 kJ.mol^-1
• B)+555 kJ.mol^-1
• C)+192 kJ.mol^-1
• D)+592 kJ.mol^-1
• E)+306 kJ.mol^-1

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