Thermodynamics of borax

Thermodynamics of borax - pg 14-15 Trial Moles if HCl(mol...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Drew Rasmussen Chemistry 112 Lab Kate Truhler April 22, 2011 Laboratory Write-Up for Thermodynamics of Borax Solubility A. Research Questions a. How does the temperature of a solution affect the Ksp? b. What are the ΔG, ΔH, and ΔS values for the reaction? B. Observations and Results a. Observations: See Pages 13-15 in Notebook.z Table 1. Volumes and Molarities of HCl and Saturated Borax Solution at Assigned Temperature. (pgs. 13-14) Molarity of HCl (M) Trial Volume of HCl (mL) Volume of saturated sample (mL) Temperature (°C) 0.101 M 1 12.0 7.00 10.0 2 20.2 7.00 21.6 3 26.8 7.00 28.9 4 35.5 7.00 38.6 5 71.1 7.00 47.6 Table 2. Ksp Values, and Results Used in Calculations of Ksp Value (Calculations and Data on
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: pg. 14-15) Trial Moles if HCl (mol) Moles of tetraborat e ions (mol) Moles of sodium ion (mol) Conc. of tetrabo rate ion (M) Conc. of sodium ion (M) Ksp In(Ks p) Temp (K) 1/Temp (K-1 ) 1 1.21x10-3 6.06x10-4 1.21x10-3 0.173 0.346 0.021-4.57 283 0.0035 2 2.04x10-3 1.46x10-3 2.91x10-3 0.145 0.291 0.124-4.39 294.6 0.0034 3 2.71x10-3 1.35x10-3 2.71x10-3 0.193 0.774 0.116-2.16 301.9 0.0033 4 3.59x10-3 1.79x10-3 3.59x10-3 0.256 0.512 0.067-2.70 311.6 0.0032 5 7.18x10-3 3.59x10-3 7.18x10-3 0.513 1.026 0.540-0.62 320.6 0.0031 C. Claims: a. The temperature and Ksp are directly related, thus when temp increases so does Ksp. b....
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern