The Thermal Decomposition of Acetaldehyde, CH₃CHO  CH₄

question 50

Multiple Choice

The thermal decomposition of acetaldehyde, CH₃CHO  CH₄ + CO, is a second-order reaction. The following data were obtained at 518°C. Based on the data given, what is the half-life for the disappearance of acetaldehyde?

• A)1.5  10⁵ s
• B)410 s
• C)5.4  10⁷ s
• D)520 s
• E)305 s

---

Definitions:

M1

A category of the money supply that includes physical currency and coin, demand deposits, traveler's checks, and other checkable deposits.

Savings Deposits

accounts held at financial institutions that allow deposits and withdrawals and are subject to modest interest rates.

Commodity Money

Money that has intrinsic value and can be used for purposes other than as a medium of exchange, such as gold or silver.

Legal Tender

The government-mandated currency that must be accepted as payment for debts.