Chem 106

EXPERIMENT 4- THERMOCHEMISTRY LAB NOTES

LAB 17 REPORT “CALORIMETRY AND THERMOCHEMISTRY”

Lab Report

A ferroin solution was mixed with Sulfuric acid (H​2S​O​4)​ to separate the ferrous ions (Fe2​ ) and the rate of dissociation of the phenanthroline ligand was observed. Plots were used and are provided to determine the appropriate rate order, the rate law and k value. After determining the k values, at different temperatures, the reactions’ activation energy (E​A)​ was computed. All calculations are given and organized so its easy to read and follow. All post lab questions als...

The 'Iodine clock' occured when sev​er​al ox​i​da​tion-re​duc​tion re​ac​tions were completed, with accuracy of a clock. The rate of the reaction of interest (between iodide (I-​ ​) and persulfate ions (S​2O​ ​82​ -)​ ) was calculated, tabulated. All plots/figures are provided, such as ln[S​2O​ ​8]​ v. time with explanation. Easy to follow sample calculations, written step by step =) All pre lab/post lab questions included. ***NOTE: I got 100 but I don't k...

The amount of heat released when different snacks burn is calculated and sample calculations is done step by step, to determine calories (expressed in units of kilojoules (kJ) or kilocalories (kcal)). Part 1: Determine the Calorimeter Constant Part 2: Energy Content of Various Snacks Post lab questions included.

PLEASE READ: My class and I all agree that this lab manual was a joke. We all were "wrong " based on the calculation & table they made us use. For example, one of the metal is brass, which is not even listed in the table found in the lab manual lol. 2/4 of the unknowns for sure are copper & brass. Good luck guys! lol Included: table w. data Points for Part 1: Heat of a Neutralization Reaction & sample calculations (step by step). Part 2: Specific Heat Capacity of a Metal (w. step by st...

​Titration Data for 25.00 mL of the Unknown Solution is given and tabulated. Titration curve with product name is shown. Sample calculations, written step by step, for Part 1: A Mysterious Acid and Part 2: Polyprotic Acids. All post lab questions correct and included.

****NOTE: 2 pre-made indicators were contaminated so some colors came out WRONG for the entire class! =( I label them as "error" so you guys know which ones. I mention the CORRECT colors in my discussion. Lab Report 14. CHEM 106. Acids and Bases are pHun: Acids, bases, salts, and buffers. CUNY - Hunter College. Complete lab with step by step calculations for all the Ka Values vs. Kb Values , Calculated pH, and Relative Strength for the Species found in table 2. Titration Figures, images of o...