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# can anyone help with chem plz?

A sample of He has volume of 4.40 L at 555 torr and 33.0 C. Find the new pressure if the volume decreases to 3.50 L and the temperature increases to 44.0 C?

723 torr

504 torr

800. torr

612 torr

A mixture of gases contains three gases A,B, and C. The total pressure of the sample is 800. mm Hg and gas C has a partial pressure of 500. mm Hg. What is the partial pressure of gas B if it is equal to gas A?

300. mm Hg

800. mm Hg

150. mm Hg

50.0 mm Hg

### 2 Answers

- Anonymous1 month ago
I so wanted to answer this question.

However, my answer is "Anonymous" as your post is Anonymous. I feel there is no need for an Anonymous question in this category.

And please, only one question at a time - we're not here to do your homework!

- Roger the MoleLv 71 month ago
(555 torr) x (4.40 L / 3.50 L) x (44.0 + 273.15) K / (33.0 + 273.15) K = 723 torr

((800. mm Hg) - (500. mm Hg)) / 2 = 150 mmHg A or B