The Temperature of Low Pressure Hydrogen Is Reduced from 100°C

question 34

Multiple Choice

The temperature of low pressure hydrogen is reduced from 100°C to 20°C.The rms speed of its molecules decreases by approximately:

• A)89%
• B)79%
• C)46%
• D)21%
• E)11%

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Definitions:

Alarm Stage

The initial phase of the stress response, where the body recognizes a threat and prepares to face it or flee.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for 'fight or flight' responses during stressful situations.

Adrenal Glands

Endocrine glands located above the kidneys that produce various hormones including adrenaline and cortisol, which help regulate metabolism, immune system, blood pressure, and stress responses.

General Adaptation Syndrome

A model outlining how stress impacts the body, initially activating the fight-or-flight response followed by adaptation if exposure is prolonged, and ultimately, potential exhaustion or disease.