A Gas-Phase Decomposition Is First-Order with Respect to the Reactant

question 42

Multiple Choice

A gas-phase decomposition is first-order with respect to the reactant, R. If the initial concentration of R is 1.0 × 10⁻⁴ mol L⁻¹and the rate constant k = 1.08 × 10⁻⁶ s⁻¹, what concentration of R remains after 25 days?

• A)1.0 × 10 ⁻³ mol L ⁻¹
• B)1.0 × 10 ⁻⁴ mol L ⁻¹
• C)9.6 × 10 ⁻⁵ mol L ⁻¹
• D)4.3 × 10 ⁻⁵ mol L ⁻¹
• E)9.7 × 10 ⁻⁶ mol L ⁻¹

Comprehend the voucher system's role in internal control and its operation within the accounting cycle.

Identify the key documents and procedures involved in a voucher system.

Distinguish between the gross and net methods for recording purchases and payments.

Recognize the importance and application of purchase discounts and their accounting treatment.

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Definitions:

Ending Inventory Balance

The total value of all inventory held by a company at the end of an accounting period.

Net Income

Net income is the total profit of a company after all expenses, taxes, and costs have been subtracted from total revenue.

Overstated Costs

The reporting or recording of expenses that are higher than the actual or true costs incurred.

Inventory Costs

Inventory Costs encompass all expenses related to holding and managing inventory, including purchasing, storing, and handling costs.