If Hydrogen Gas Is Collected Over Water at 20 °C

question 127

Multiple Choice

If hydrogen gas is collected over water at 20 °C and 763 mm Hg,what is the partial pressure of the H₂? The vapor pressure of water at 20 °C is 17.5 mm Hg.

• A)17.5 mm Hg
• B)743 mm Hg
• C)746 mm Hg
• D)763 mm Hg
• E)781 mm Hg

---

Definitions:

Doughnut Chart

A type of pie chart that has a circular cut out in the center, turning the pie into a doughnut shape, used to display data in a series of concentric circles.

Bold Formatting

A text attribute that makes characters appear darker and thicker to emphasize importance or for headings.

Category Names

Labels used to group similar items, data points, or concepts within a dataset or classification system.

Active Cell

The currently selected cell in a spreadsheet, indicated by a highlighted border.