At 25 ^$\circ$ C the Rate Constant for the First-Order Decomposition of a Decomposition

question 99

Multiple Choice

At 25 ^$\circ$ C the rate constant for the first-order decomposition of a pesticide solution is 6.40 *10^-3 min^-1. If the starting concentration of pesticide is 0.0314 M, what concentration will remain after 62.0 min at 25 ^$\circ$ C

• A) 1.14 * 10^-1 M
• B) 47.4 M
• C) -8.72.0 M
• D) 2.11 * 10^-2 M
• E) 2.68* 10^-2 M

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Definitions:

Initial Write-off

The action of recognizing that a particular asset has lost value and accounting for it as an expense.

Partial Payment

A payment made that is not in full settlement of a debt but is instead a portion of the total amount owed.

Allowance for Doubtful Accounts

An estimate of the amount of credit sales that are expected to become uncollectible, used to adjust accounts receivable to its net realizable value.

Bad Debt Expense

This represents the estimate of non-collectible accounts receivable that occurs in a given period, reflecting potential losses due to credit sales.