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Chapter 14: Problem 7

What is the vapor pressure of water at \(100^{\circ} \mathrm{C} ?\) How do you know?

Short Answer

Expert verified
The vapor pressure of water at \(100^{\circ} \mathrm{C}\) is 760 Torr or 101.3 kPa. We know this because water boils at 100掳C, and at this temperature, its vapor pressure equals the atmospheric pressure, which is the given value.

Step by step solution

01

Find the vapor pressure of water at the given temperature from the table.

Refer to the vapor pressure temperature table for water. Look for the value corresponding to 100掳C.
02

Verify using the boiling point of water.

We know that water boils at 100掳C (at sea level), which is when its vapor pressure equals the atmospheric pressure. The standard atmospheric pressure is 760 Torr or 101.3 kPa.
03

State the vapor pressure of water at 100掳C.

The vapor pressure of water at 100掳C is equal to the atmospheric pressure, which is 760 Torr or 101.3 kPa.

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