A First-Order Reaction Has a Half-Life of 2

question 35

Multiple Choice

A first-order reaction has a half-life of 2.10 hours.How much time is required for the reactant to be reduced to 33.0% of its initial concentration?

• A) 2.45 hours
• B) 2.89 hours
• C) 3.36 hours
• D) 3.93 hours
• E) 4.21 hours

---

Definitions:

Sociology

The scientific study of society, social relationships, and social institutions, examining the ways in which human actions and consciousness shape, and are shaped by, surrounding cultural and social structures.

Macrosociology

A branch of sociology that concerns itself with the analysis of large-scale social systems and the overall social structure of societies.

Feminist Perspectives

Diverse viewpoints within feminism that analyze the structures leading to gender inequality and advocate for the rights and equality of all genders.

Staples Thesis

An economic theory suggesting that the development of economies depends on the export of natural resources or "staples."