Two Substances a and B React with Each Other in Such

question 53

Multiple Choice

Two substances A and B react with each other in such a way that one-half of A remains after 25 min and one-fourth of A remains after 50 min.Doubling the concentration of B while keeping the concentration of A fixed doubles the rate of the reaction.This reaction is

• A)first-order in both A and B.
• B)zero-order in both A and B.
• C)second-order in A and first-order in B.
• D)first-order in A and second-order in B.
• E)second-order in both A and B.

---

Definitions:

Social Roles

The parts individuals play as members of a social group, which meet the expectations, behaviors, and actions that society ascribes to them.

Cumulative Continuity Principle

The idea that personality becomes more stable and unchanging as a person gets older.

Rank-Order Consistency

The degree to which the relative ordering of individuals on a particular trait remains stable over time.

Personality Traits

Enduring characteristics that describe an individual's behavior, temperament, and emotional patterns.