Solubility of Borax Lab Report - A Research Questions a...

This preview shows page 1 - 3 out of 3 pages.

We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
Chemistry & Chemical Reactivity
The document you are viewing contains questions related to this textbook.
Chapter 18 / Exercise 6
Chemistry & Chemical Reactivity
Kotz/Treichel
Expert Verified
A.Research Questionsa.What is the enthalpy change, ΔH°, the entropy change, ΔS° and Gibb’s free energy change, ΔG°, for the reaction that occurs when borax is dissolved in water?b.Is the reaction that occurs when borax is dissolved in water endothermic or exothermic?c.Is the reaction that occurs when borax is dissolved in water spontaneous or non-spontaneous?B.Observations and ResultsTable 1:Molarity ofHCl (M)TrialVolume ofHCl (mL)Volume ofsaturatedboraxsample (mL)Temperature(°C)Temperature(K)0.5017.957.0 mL41.231427.87.0 mL41.2314Table 2:TrialMoles of HCL(mol)Moles oftetraborate ionmol)Molesof sodiumion (mol)Concentration oftetraborate ionM)Concentration ofM)KspLn(Ksp)Temperature (K)1/Temperature(K-1)1.00398.00199.00398.284.568.0916-2.39314.003192.00390.00195.00390.279.557.0865-2.44314.00319Graph: Graph made using data from all Chemistry 112 Lab sections, including theabove sample calculations from individual results
We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
Chemistry & Chemical Reactivity
The document you are viewing contains questions related to this textbook.
Chapter 18 / Exercise 6
Chemistry & Chemical Reactivity
Kotz/Treichel
Expert Verified
0.0030000.0032000.0034000.0036000.003800-9.000-8.000-7.000-6.000-5.000-4.000-3.000-2.000-1.0000.0001.000f(x) = - 11325.83x + 34.3R² = 0.86Dissolution of BoraxTemperature (K-1)Equilibirum Constant (lnKsp)Calculations:

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture