Borax Lab1

Borax Lab1 - Van Hoff Plot of Borax 0 f(x = 8525.93x 24.54...

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Unformatted text preview: Van Hoff Plot of Borax 0 f(x) = 8525.93x + 24.54 R = 0.84 1 2 3 Ln(Ksp) Ln(Ksp) 4 Linear Regression for Ln(Ksp) 5 6 7 0 0 0 0 0 1/T 0 0 0 0 Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Temp (oC) Temp(K) V HCl (L) moles H+ moles OH moles B4O5(OH)4 2 sample V (L) 5.5 278.65 0 0 0 0 0.01 296 0 0 0 0 0.01 318.33 0.01 0.01 0.01 0 0.01 61.5 334.65 0.01 0 0 0 0.01 62 335.15 0.01 0 0 0 0.01 3 276.15 0 0 0 0 0.01 50.7 323.85 0.01 0 0 0 0.01 288.5 0 0 0 0 0.01 328.15 0.01 0 0 0 0.01 22.7 295.85 0 0 0 0 0.01 294.6 0 0 0 0 0.01 22.2 295.35 0 0 0 0 0.01 5.8 278.95 0 0 0 0 0.01 294.15 0 0 0 0 0.01 4.9 278.05 0 0 0 0 0.01 278.95 . molarity B4O5(OH)4 2 Ksp 1/T (K) 0.1 0 0.13 0.01 0.54 0.65 0.35 0.17 0.41 0.28 0.09 0 0.46 0.4 0.12 0.01 0.45 0.37 0.13 0.01 0.14 0.01 0.1 0 0.1 0 0.08 0 0.09 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Ln(Ksp) 5.45 4.64 0.44 1.75 1.29 5.89 0.93 5.03 1.01 4.63 4.44 5.67 5.56 6.03 5.81 H (kJ/mol)=slope*R slope R (J/molK) 8525 8.31 S (J/molK)=intercept*R intercept R (J/molK) 24.54 8.31 G= HTS H (kJ/mol) S (J/molK) 70.88 204.03 70.88 204.03 70.88 204.03 H J/mol kJ/mol 70876.85 70.88 S J/molK 204.03 H S G Literature Values 110 380 3.24 %error 35.57 46.31 411.03 T (K) 303 298 281 G (kJ/mol) 9.06 10.08 13.55 ...
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Borax Lab1 - Van Hoff Plot of Borax 0 f(x = 8525.93x 24.54...

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