Plot a vapor pressure curve for GaCl3 from the following vapor pressures. Determine the boiling

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Plot a vapor pressure curve for GaCl3 from the following...

Plot a vapor pressure curve for $\mathrm{GaCl}_{3}$ from the following vapor pressures. Determine the boiling point of $\mathrm{GaCl}_{3}$ under a pressure of 250 torr from the plot: \begin{array}{lcrrrrrrr} t\left({ }^{\circ} \mathrm{C}\right) & -24 & -13 & -2 & 10 & 29 & 45 & 62 & 79 \\ \text { vp (torr) } & 5.0 & 10 . & 20 . & 40 . & 100 . & 200 . & 400 . & 760 . \end{array}

Plot a vapor pressure curve for $\mathrm{GaCl}_{3}$ from the following vapor pressures. Determine the boiling point of $\mathrm{GaCl}_{3}$ under a pressure of 250 torr from the plot:
\begin{array}{lcrrrrrrr}
t\left({ }^{\circ} \mathrm{C}\right) & -24 & -13 & -2 & 10 & 29 & 45 & 62 & 79 \\
\text { vp (torr) } & 5.0 & 10 . & 20 . & 40 . & 100 . & 200 . & 400 . & 760 .
\end{array}

Key Concepts

Clausius-Clapeyron Equation

The Clausius-Clapeyron equation describes the relationship between vapor pressure and temperature for a given substance. It provides a theoretical foundation for understanding and predicting how the vapor pressure changes with temperature, and is often used to analyze vapor pressure curves in contexts involving phase transitions.

Data Plotting and Interpolation

Data plotting and interpolation involve graphically representing experimental data and estimating values within the range of the known data points. This process is crucial for visualizing the relationship between temperature and vapor pressure, and for determining values like the boiling point under specific external pressures.

Boiling Point

The boiling point is defined as the temperature at which a liquid's vapor pressure equals the external atmospheric pressure. This key concept connects temperature, vapor pressure, and phase change, and it is critical when determining the conditions under which a substance will transition from liquid to gas.

Vapor Pressure

Vapor pressure is the pressure exerted by the vapor in equilibrium with its liquid (or solid) phase at a given temperature. It is a fundamental concept in thermodynamics that reflects how readily a substance evaporates and is used to understand phase transitions and chemical processes involving volatile liquids.

Phase Equilibrium

Phase equilibrium occurs when all phases present in a system are in a state of balance, with no net change in the amount of each phase. This concept is important in understanding vapor pressure curves because the equilibrium between the liquid and its vapor determines the observed vapor pressure at each temperature.

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