A Container Is Filled with a Mixture of Helium (Light

question 41

Multiple Choice

A container is filled with a mixture of helium (light molecules) and oxygen (heavy molecules) gases.A thermometer in the container reads 22°C.Which gas molecules have the greater average kinetic energy?

• A) It is the same for both of the gases because the temperatures are the same.
• B) The oxygen molecules do because they are diatomic.
• C) The oxygen molecules do because they are more massive.
• D) The helium molecules do because they are less massive.
• E) The helium molecules do because they are monatomic.

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Definitions:

Noise Pollution

Unwanted or harmful outdoor sound caused by human activities, such as traffic, construction, or industrial actions, that can have health effects.

Light Pollution

The brightening of the night sky caused by streetlights and other man-made sources, which has a disruptive effect on natural cycles and inhibits the observation of stars and planets.

Water Pollution

The contamination of water bodies (e.g., lakes, rivers, oceans, aquifers) with harmful substances caused by human activities, leading to detrimental effects on aquatic life and human health.

Hearing Damage

Impairment or loss of auditory function, often caused by exposure to loud noise, disease, or aging, affecting communication and quality of life.