# In an evacuated vessel with a volume of 280 liters, 1.0kg of water is injected. At equilibrium,...

## Question:

In an evacuated vessel with a volume of 280 liters, 1.0kg of water is injected. At equilibrium, the pressure of the vessel is 80psi. Determine the mass (kg) and density (kg/liter) of water vapor in the vessel and the mass and density of liquid water in the vessel.

## Quality.

It is the ratio of the mass of the steam divided by the total mass. It is a thermodynamic property defined in the region of saturated mixture of phases. In the saturated liquid state the quality is zero, while in the saturated steam state, the quality is 1 (or 100 percent).

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{eq}\text{Known data:}\\ V = 280\,L = 0.280\,m^3\\ m = 1.0\,kg \\ P = 80\,psi = 552\,kPa\\ {/eq}

Data on thermodynamic properties can be taken...

Using Thermodynamic Properties to Solve Problems

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Chapter 15 / Lesson 18
351

Thermodynamic properties, such as specific heat and thermal conductivity, tell us a lot about a material. In this lesson, we will learn how to solve problems using these thermodynamic properties.