Which of the Following Processes Shows a Decrease in Entropy

question 89

Multiple Choice

Which of the following processes shows a decrease in entropy of the system?

• A)2 NO(g)+ O₂(g)→ 2 NO₂(g)
• B)COCl₂(g)→ CO(g)+ Cl₂(g)
• C)CH₃OH(l)→ CO(g)+ 2H₂(g)
• D)NaClO₃(s)→ Na⁺(aq)+ ClO₃^-(aq)
• E)None of the above will show a decrease in entropy.

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Definitions:

Weighted Average Method

An inventory valuation method that calculates the cost of goods sold and ending inventory based on the weighted average cost of all items available for sale during the period.

Joint Costs

The costs incurred in the process of producing two or more joint products before the point at which the products become separately identifiable.

Split-Off Point

In a production process, the stage at which jointly processed products become individually identifiable and able to be separated into distinct products.

Weighted Average Method

This inventory costing method calculates the cost of goods sold and ending inventory balance using the average cost of all similar items in inventory, weighted by the number of units.