Question

Vapor pressure measured at several different temperature is shown below for mercury. Determine the molar heat of vaporization for mercury with the help of plot. | T (°C) | 200 | 250 | 300 | 320 | 340 | | :--- | :--- | :--- | :--- | :--- | :--- | | P (mmHg) | 17.3 | 74.4 | 246.8 | 376.3 | 557.9 | Hint: Create an excel file and generate the data to fit into Clausius Clapeyron equation. ln P = - ?Hvap / RT + C [ check all the units and make necessary conversion. ] 'ln' is for natural logarithm (NOT the common base -10 logarithm)! Make sure you press the correct key in your calculator. Once you fit the data in the linear equation (y = mx + b), determine ?Hvap using the slope (m). R = 8.314 J/mol*K. Don't forget to attach your excel plot.

          Vapor pressure measured at several different temperature is shown below for mercury. Determine the molar heat of vaporization for mercury with the help of plot.

| T (°C) | 200 | 250 | 300 | 320 | 340 |
| :--- | :--- | :--- | :--- | :--- | :--- |
| P (mmHg) | 17.3 | 74.4 | 246.8 | 376.3 | 557.9 |

Hint: Create an excel file and generate the data to fit into Clausius Clapeyron equation.

ln P = - ?Hvap / RT + C [ check all the units and make necessary conversion. ]

'ln' is for natural logarithm (NOT the common base -10 logarithm)! Make sure you press the correct key in your calculator. Once you fit the data in the linear equation (y = mx + b), determine ?Hvap using the slope (m). R = 8.314 J/mol*K.

Don't forget to attach your excel plot.

Vapor pressure measured at several different temperature is shown below for mercury. Determine the molar heat of vaporization for mercury with the help of plot.

| T (°C) | 200 | 250 | 300 | 320 | 340 |
| :— | :— | :— | :— | :— | :— |
| P (mmHg) | 17.3 | 74.4 | 246.8 | 376.3 | 557.9 |

Hint: Create an excel file and generate the data to fit into Clausius Clapeyron equation.

ln P = - ?Hvap / RT + C [ check all the units and make necessary conversion. ]

'ln' is for natural logarithm (NOT the common base -10 logarithm)! Make sure you press the correct key in your calculator. Once you fit the data in the linear equation (y = mx + b), determine ?Hvap using the slope (m). R = 8.314 J/mol*K.

Don't forget to attach your excel plot.

Added by Ashley A.

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