Use the graph of vapor pressure to determine the normal boiling point of O₂.

Name: Use the graph of vapor pressure to determine the normal boiling point of O 2 .
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Question

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The normal boiling point is the temperature at which the vapor pressure of a liquid is equal to the atmospheric pressure. The graph shows that at a temperature of approximately 90 K, the vapor pressure of O₂ is equal to standard atmospheric pressure (1 atm), indicating the normal boiling point.

Use the Graph of Vapor Pressure to Determine the Normal