Suppose a mixture contains helium and oxygen gases. If the partial pressure of h

Question

Suppose a mixture contains helium and oxygen gases. If the partial pressure of helium is twice the partial pressure of oxygen, what do you know about the number of helium atoms compared to the number of oxygen molecules? Explain. a. the number of He atoms is four times larger than the number of O2 molecules since a diatomic particle will exert the average pressure against the container's walls which is twice the pressure exerted by an atom. b. the number of He atoms is two times larger than the number of O2 molecules since each particle (an atom or a molecule) will exert the same average pressure against the containers walls. c. they are equal since a diatomic particle will exert the acerage pressure against the containers walls which is half the pressure exerted by an atom. d. the number of He atoms is 16 times larger than the number of O2 molecules since its molecular mass is eight times smaller.

Explanation / Answer

The partial pressure of helium is twice the partial pressure of oxygen.

We know that

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