The Thermal Decomposition of Acetaldehyde, CH₃CHO → CH₄ + CO

question 38

Multiple Choice

The thermal decomposition of acetaldehyde, CH₃CHO → CH₄ + CO, is a second-order reaction. The following data were obtained at 518°C. Calculate the rate constant for the decomposition of acetaldehyde from the above data.

• A) 2.2 × 10^-3 s^-1
• B) 0.70 mmHg • s^-1
• C) 2.2 × 10^-3 /mmHg • s^-1
• D) 6.7 × 10^-6 /mmHg • s^-1
• E) 5.2 × 10^-5 /mmHg • s^-1

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Definitions:

Inventory Period

The time span between the acquisition of inventory and its sale, crucial for managing inventory efficiency and cash flow.

Credit Sales

Transactions where goods or services are sold and payment is deferred to a future date, typically involving the issuance of an invoice.

COGS

COGS, or Cost of Goods Sold, represents the direct costs attributable to the production of the goods sold by a company, including material and labor costs.

Payables Turnover Rate

An efficiency ratio that measures how quickly a company pays off its suppliers, calculated as cost of goods sold divided by average accounts payable.