Determine enthalpy of vaporization graphically using the Clausius-Clapeyron equation. The vapor pressure of heptane (C7H16) has been measured over a range of temperatures. (a) Which of the following should give a linear plot (temperatures in K)? On the y-axis: O On the x-axis: Close Problem (b) When the appropriate plot is made, the resulting straight line has a slope of -4.26x10³ K. Use this information to determine AHan for C7H161 kJ/mol

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