Consider the Gas Phase Reaction NO + O₂ $\Delta$ H° = -5691 KJ and K = 1

question 65

Multiple Choice

Consider the gas phase reaction NO + O₂ NO₂ for which $\Delta$ H° = -56.91 kJ and K = 1.46 $\times$ 10⁶ at 25°C.
-Calculate $\Delta$ H° at 25°C for the following reaction: 2NO + O₂ 2NO₂

• A)56.91 kJ
• B)-113.8 kJ
• C)-28.5 kJ
• D)3239 kJ
• E)none of these

---

Definitions:

Double-Declining-Balance Method

A method of accelerated depreciation where an asset's book value is reduced by twice the straight-line depreciation rate.

Depreciation Record

Depreciation Record is a detailed account of the depreciation amounts allocated over the life of an asset, which impacts the value of the asset on the balance sheet and the depreciation expense on the income statement.

150%-Declining-Balance

A method of accelerated depreciation, applying 150% of the straight-line rate to the declining balance of an asset, used to allocate larger depreciation expenses in the earlier years of an asset’s life.