A Chemist Adds a Chemical to Pure Water and There

question 53

Multiple Choice

A chemist adds a chemical to pure water and there is a 100 fold increase in the concentration of hydrogen ions.What is the best approximation of the new pH value?

• A)0
• B)5
• C)7
• D)9

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Definitions:

Stress

The body's response to any demand or challenge, which can be triggered by both positive and negative experiences.

Abused Children

Young individuals who have experienced physical, emotional, sexual, or neglectful harm by a caregiver or another person.

Matched Control Subjects

Individuals selected in research studies to closely resemble the experimental subjects in key demographic or clinical characteristics but without the condition being studied.

Sadness

An emotion characterized by feelings of disappointment, loss, or helplessness, often viewed as a more temporary and milder form of distress compared to depression.