uestion 23 of 30 Map Consider this reactof this reaction, what points wouild you

Question

uestion 23 of 30 Map Consider this reactof this reaction, what points wouild youpo If you were going to graphically determine the activation energy products Number Number T (K) k (s 275 0.399 525 0.621 point 1: 0.003 1.23 To avoid rounding errors, use at least three significant figures in al values. point 2: 0.0014 2.14 Determine the rise, run, and slope of the line formed by these points rise run slope Number 1.22 21.44 0.056 What is the activation energy of this reaction? 0.473 J/ mol OPrevas Give Up & View Soton ( Check Answer Next -I Ext rch 98

Explanation / Answer

We need to plot lnK on y axis and 1/T on x axis

K = 0.39

ln K = ln (0.39) = -0.94161

T = 275.0

1/T = 0.00364

point 1 is:

x = 0.00364

y = -0.94161

K = 0.621

ln K = ln (0.621) = -0.47642

T = 525.0

1/T = 0.0019

point 2 is:

x = 0.0019

y = -0.47642

----------------------------------------------------------------------------

rise = (y1-y2) = -0.94161 - -0.47642 = -0.46518

rise = (X1-X2) = 0.00364 - 0.0019 = 0.00173

slope = rise/run

= -0.46518/0.00173

= -268.64396

----------------------------------------------------------------------------

use

slope = - Ea/R

= -268.64396 = -Ea/8.314

Ea = 2234 J/mol

Answer: 2234 J/mol

Related Questions

Navigate

• Browse (All)
• Browse U
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.