The Rate Constant for a Particular Second-Order Reaction Is 0

question 130

Multiple Choice

The rate constant for a particular second-order reaction is 0.47 M^-1s^-1. If the initial concentration of reactant is 0.25 mol/L, it takes ________ s for the concentration to decrease to 0.20 mol/L.

• A)2.1
• B)1.4
• C)1.0
• D)0.47
• E)0.20

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Definitions:

Libido

In psychoanalytic theory, it represents the energy of the sexual drive as a component of the life instinct.

Sexual Instinct

An intrinsic part of human behavior, driven by the biological and psychological urge to engage in sexual activities.

Pleasure Principle

A psychoanalytic concept suggesting that individuals seek immediate gratification of needs and desires to experience pleasure and avoid pain.

Collective Unconscious

A concept in Jungian psychology referring to part of the unconscious mind shared among beings of the same species, containing universal experiences and archetypes.