The Balanced Equation for Burning Octane Is 2C₈H₁₈(g) + 25O₂(g)

question 73

Multiple Choice

The balanced equation for burning octane is 2C₈H₁₈(g) + 25O₂(g) → 18H₂O(g) + 16CO₂(g) . What weight of H₂O is produced by completely burning 19.8 g of octane?

• A) 28.1 g
• B) 34.7 g
• C) 69.5 g
• D) 139 g

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Definitions:

Weighted-Average Method

An inventory costing method that assigns cost to inventory on the basis of the average cost of all similar goods available during the period.

Equivalent Units of Production

A conversion of partially completed units into a number of fully completed units during a period, used in process costing systems.

Costs Per Equivalent Unit

A calculation used in process costing that determines the cost of a single completed unit, considering work done on partial units.

Weighted-Average Method

A costing method used in manufacturing and accounting that averages the cost of inventory by taking the total cost of goods available for sale and dividing it by the total number of goods available.