The Reaction Below Is First Order in [H₂O₂]: 2H₂O₂ (L)→

question 102

Multiple Choice

The reaction below is first order in [H₂O₂]: 2H₂O₂ (l) → 2H₂O (l) + O₂ (g)
A solution originally at 0.600 M H₂O₂ is found to be 0.075 M after 54 min.The half-life for this reaction is ________ min.

• A)6.8
• B)18
• C)14
• D)28
• E)54

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Definitions:

Nominal Accounts

Accounts that are closed at the end of each accounting period, including revenue, expense, and withdrawal accounts, which are used to calculate the period's net income or loss.

Income Summary

An account in the ledger that is used to summarize the revenue and expenses of a period, facilitating the transfer of their net effect to retained earnings.

Net Income

The final earnings of a corporation once expenses and taxes are subtracted from its gross income.

Income Summary Account

An account used in the closing process to summarize the results of all revenue and expense accounts.