A Reactant R Is Being Consumed in a First-Order Reaction

question 64

Multiple Choice

A reactant R is being consumed in a first-order reaction. What fraction of the initial R is consumed in 4.0 half-lives?

• A)0.94
• B)0.87
• C)0.75
• D)0.13
• E)0.063

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Definitions:

Physical Connections

Refers to the tangible linkages or joints between two parts or components within a system.

Logical Connections

The connections between entities that are governed by logic, typically in the context of computer science and digital circuits.

Ladder Diagrams

A graphical representation of electrical logic circuits used in programming PLCs and designing electrical circuits.

Physical Connections

The tangible points of contact where devices, components, or systems are mechanically coupled or connected together.