Given the Standard Reaction Enthalpies Below:
N₂(g)+ O₂ $\rightarrow$ 2NO(g) $\Delta$

question 56

Multiple Choice

Given the standard reaction enthalpies below:
N₂(g) + O₂ $\rightarrow$ 2NO(g)
$\Delta$ H° = +180.5 kJ.mol^-1
2NO₂(g) $\rightarrow$ N₂(g) + 2O₂(g)
$\Delta$ H° = -66.4 kJ.mol^-1
Calculate the standard reaction enthalpy for the oxidation of nitric oxide to nitrogen dioxide,shown below:
2NO(g) + O₂(g) $\rightarrow$ 2NO₂(g)

• A)(+114.1 kJ.mol^-1 )
• B)(+246.9 kJ.mol^-1 )
• C)(-114.1 kJ.mol^-1 )
• D)(-294.6 kJ.mol^-1 )
• E)(-246.9 kJ.mol^-1 )

---

Definitions:

Daily Wages

The amount of money that a worker earns for one day of labor.

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life, reflecting the consumption of the asset.

Office Supplies

Items and equipment regularly used in offices by businesses and other organizations, including paper, pens, and stationery.

Payroll

The total amount of wages and salaries paid by a company to its employees, as well as the process of managing these payments.