For a Given First-Order Reaction, After 2

question 58

Multiple Choice

For a given first-order reaction, after 2.00 min,20% of the reactants remain.Calculate the rate constant for the reaction.

• A) 0.0134 s^-1
• B) 0.000808 s^-1
• C) 74.6 s^-1
• D) 0.00582 s^-1
• E) 0.00186 s^-1

---

Definitions:

Outstanding Balances

The total amount of money owed that has not yet been paid.

Credit Card

A plastic card issued by a bank allowing the cardholder to borrow funds at the point of sale, which are to be repaid with interest.

Barter

The direct exchange of goods or services between parties without the use of money.

Subscapular Fossa

A shallow depression on the anterior surface of the scapula, covered by the subscapularis muscle.