Balance the Following Equation in Basic Solution: Al(s) + O₂(g)

question 10

Multiple Choice

Balance the following equation in basic solution: Al(s) + O₂(g) → [Al(OH) ₄]-
The sum of the coefficients is ________.

• A) 6
• B) 12
• C) 21
• D) 25
• E) 33

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Definitions:

Double-Declining-Balance Method

An accelerated depreciation method where twice the straight-line depreciation rate is applied to the diminishing balance of an asset's book value.

Total Depreciation Expense

Total Depreciation Expense is the cumulative amount of depreciation that has been charged on a company's assets over a specific period to account for the reduction in value due to wear and tear, age, or obsolescence.

Units-Of-Output Method

A depreciation method where the useful life of an asset is expressed in terms of the total number of units it can produce during its life.

Straight-Line Method

A method of calculating equal depreciation expenses for an asset over its useful life.