The enthalpy of vaporization (AHvap) is determined from the Clausius-Clapeyron equation: In VP = (-AHvap/R)(1/T) + C (Note: the form of this equation is linear: y = mx + b) Use a Google Sheets to calculate the values for the x and y axis from the data given below and to plot the natural log of vapor pressure (In VP) versus the inverse temperature in Kelvin (1/T). Trial # T(K) VP(mmHg) 1 298.2 116.2 301.1 138.7 305.1 174.2 308.4 205.7 310.8 229.6 313.3 269.5 2 3 14 5 16 Paste the data table into your spreadsheet so that Trial # is in cell A1. A new column is inserted on the spreadsheet between the T(K) and VP(mmHg) columns for the 1/T calculation. What formula to calculate 1/T is typed into the cell directly to the right of 298.2 (cell C2)? =1/B2 How is the calculation completed for Trials 2-6? In column E, calculate In VP. • What formula to calculate In VP is typed into the cell directly to the right of 116.2 (cell E2)? =In(D2) Click on C2, grab square on bv How is the calculation completed for Trials 2-6? Click on E2, grab square on bc
The enthalpy of vaporization (AHvap) is determined from the Clausius-Clapeyron equation: In VP = (-AHvap/R)(1/T) + C (Note: the form of this equation is linear: y = mx + b) Use a Google Sheets to calculate the values for the x and y axis from the data given below and to plot the natural log of vapor pressure (In VP) versus the inverse temperature in Kelvin (1/T). Trial # T(K) VP(mmHg) 1 298.2 116.2 301.1 138.7 305.1 174.2 308.4 205.7 310.8 229.6 313.3 269.5 2 3 14 5 16 Paste the data table into your spreadsheet so that Trial # is in cell A1. A new column is inserted on the spreadsheet between the T(K) and VP(mmHg) columns for the 1/T calculation. What formula to calculate 1/T is typed into the cell directly to the right of 298.2 (cell C2)? =1/B2 How is the calculation completed for Trials 2-6? In column E, calculate In VP. • What formula to calculate In VP is typed into the cell directly to the right of 116.2 (cell E2)? =In(D2) Click on C2, grab square on bv How is the calculation completed for Trials 2-6? Click on E2, grab square on bc
Chapter10: Effect Of Electrolytes On Chemical Equilibria
Section: Chapter Questions
Problem 10.7QAP
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Question
Transcribed Image Text:Paste the data table into your spreadsheet so that Trial # is in cell A1.
A new column is inserted on the spreadsheet between the T(K) and VP(mmHg) columns for the 1/T
calculation.
What formula to calculate 1/T is typed into the cell directly to the right of 298.2 (cell C2)?
= 1/B2
3
In column E, calculate In VP.
• What formula to calculate In VP is typed into the cell directly to the right of 116.2 (cell E2)?
=In(D2)
#
How is the calculation completed for Trials 2-6? Click on C2, grab square on bv
Plot column C vs column E.
LL
How is the calculation completed for Trials 2-6?
F
The chart type should be Scatter chart. Change if it is something different. In the Chart editor click
on Customize, choose Series. Check the boxes next to Trendline and R2. Under Label change
Custom to Use Equation.
• After highlighting both columns, what is the next step? Both of these
What is the value of the slope? 5100.1
• If the value of R is 8.3145 J/molk, what is the value of AHvap? 42.4
kJ/mol
80
F3
$
4
R
000
000
F4
%
5
Click on E2, grab square on bc v
F5
6
MacBook Air
F6
&
7
F7
8
DII
F8
9
D
F9
>
0
F10
Transcribed Image Text:Paste the data table into your spreadsheet so that Trial # is in cell A1.
A new column is inserted on the spreadsheet between the T(K) and VP(mmHg) columns for the 1/T
calculation.
What formula to calculate 1/T is typed into the cell directly to the right of 298.2 (cell C2)?
= 1/B2
3
In column E, calculate In VP.
• What formula to calculate In VP is typed into the cell directly to the right of 116.2 (cell E2)?
=In(D2)
#
How is the calculation completed for Trials 2-6? Click on C2, grab square on bv
Plot column C vs column E.
LL
How is the calculation completed for Trials 2-6?
F
The chart type should be Scatter chart. Change if it is something different. In the Chart editor click
on Customize, choose Series. Check the boxes next to Trendline and R2. Under Label change
Custom to Use Equation.
• After highlighting both columns, what is the next step? Both of these
What is the value of the slope? 5100.1
• If the value of R is 8.3145 J/molk, what is the value of AHvap? 42.4
kJ/mol
80
F3
$
4
R
000
000
F4
%
5
Click on E2, grab square on bc v
F5
6
MacBook Air
F6
&
7
F7
8
DII
F8
9
D
F9
>
0
F10
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