One Water Molecule Can Donate a Proton to Another in a Process

question 58

Multiple Choice

One water molecule can donate a proton to another in a process called ____; the equilibrium constant expression for this reaction is ____.

• A) neutralization;
• B) autoionization;
• C) protonation;
• D) hydrolysis;
• E) autoionization; K_w = [H₃O⁺][OH^-]

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Definitions:

Third-variable Problem

The third-variable problem occurs when a previously unconsidered variable affects both variables of interest, potentially falsely suggesting a causal relationship between them.

Correlational Studies

Research methods used to examine a relationship between two or more variables without manipulating them.

Random Assignment

A method used in experiments to assign participants to different groups using chance, ensuring each participant has an equal opportunity to be assigned to any group.

Random Sample

A selection method where each member of a population has an equal chance of being included, ensuring the sample's representativeness of the entire population.