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Diffstat (limited to '409/CH17/EX17.6/Example17_6.sce')
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1 files changed, 20 insertions, 0 deletions
diff --git a/409/CH17/EX17.6/Example17_6.sce b/409/CH17/EX17.6/Example17_6.sce new file mode 100755 index 000000000..ccf7fc101 --- /dev/null +++ b/409/CH17/EX17.6/Example17_6.sce @@ -0,0 +1,20 @@ +clear ; +clc; +// Example 17.6 +printf('Example 17.6\n\n'); +//Page no. 529 +// Solution + +P = 760 ;// Pressure -[ mm of Hg] +// Get vapour pressure of n-heptane from Perry, 40 mm of Hg +vp = 40 ;// vapour pressure of n-heptane-[mm of Hg] + +// Use the 2nd relation given in problem to find K +K = 10^((log10(vp/P)-0.16)/1.25) ; + +// Get t using the 1st relation in the question +// For t_half +x = 0.5 ;// mole fraction after t_half +x0 = 1 ;// initial mole fraction +t_half = (log(x/x0))/(-K);// Time required to reduce the concentration to one-half-[min] +printf('Time required to reduce the concentration to one-half is %.1f min. \n',t_half);
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