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.

---

Definitions:

Presynaptic Neuron

A neuron that sends a signal to a neighboring neuron across a synapse, typically releasing neurotransmitters.

Neurotransmitter

Chemicals released by neurons that transmit signals across a synapse from one neuron to another, playing key roles in shaping everyday functions and behaviors.

Postsynaptic Neuron

The neuron that receives a signal (neurotransmitter) from another neuron at a synapse.

Action Potentials

Rapid electrical impulses that travel along the neuron's membrane, enabling communication within the nervous system.