Exercise: Determine AHP and AS for the auto-ionization of water.2 H₂OTemperature (°C)025354050H₂O (aq) + OH(aq)Ln(K₂)Ku1.14 101.00×102.09 x 1042.92 x 1045.47x10-¹4Ln(K) = -Hints:1. The linear equation that correlates the temperature and equilibrium constant iscalled vant's Hoff equationAH1T(K)3. Take the reciprocal of T(K)-4. Covert Kw to Ln(K)5. Obtain the best-fit straight line, slope8.314 J/mol.k→ AH = -slope x 8.3146. ASY-intercept x 8.314R2. Convert T in °C to T in K, T(K)= T(C) +273T(K)+45°ΔΗRsince R (ideal gas constant) ==

The van't Hoff equation relates the temperature and equilibrium constant as- Ln (K)=-∆H°R1T+∆S°R

Answered: Determine AHF and AS" for the…

Determine AHF and AS" for the auto-ionization 2 H₂O Temperature (°C) K₂ H₂O() 25 35 40 50 of water. + OH) 1.14 10 1.00×10 2.09 - 10 2.92 × 10 5.47 104 T(K) Ln(K₂)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Exercise: Determine AHP and AS for the auto-ionization of water.
2 H₂O
Temperature (°C)
0
25
35
40
50
H₂O (aq) + OH(aq)
Ln(K₂)
Ku
1.14 10
1.00×10
2.09 x 104
2.92 x 104
5.47x10-¹4
Ln(K) = -
Hints:
1. The linear equation that correlates the temperature and equilibrium constant is
called vant's Hoff equation
AH
1
T(K)
3. Take the reciprocal of T(K)-
4. Covert Kw to Ln(K)
5. Obtain the best-fit straight line, slope
8.314 J/mol.k→ AH = -slope x 8.314
6. ASY-intercept x 8.314
R
2. Convert T in °C to T in K, T(K)= T(C) +273
T(K)
+45°
ΔΗ
R
since R (ideal gas constant) ==

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