300+ Reviews
5/5

# (Get Answer) – Laboratory assignment for module 3: reaction rates

(Get Answer) – Laboratory assignment for module 3: reaction ratesName:College ID:Thomas Edison State CollegeGeneral Chemistry II with Labs (CHE-122)Section no.:Semester and year:  LABORATORY REPORTLaboratory Assignment for Module 3: Reaction Rates(eScience Lab 4 )   I.       PURPOSE (10 POINTS)       II.    TEST DATA (15 POINTS)Table 1. 10 mL Undiluted IKI and 5 mL 3% H2O2Water displaced in milliliters Time in seconds2 mL  4 mL  6 mL  8 mL  10 mL  12 mL  14 mL  16 mL  18 mL  20 mL  22 mL    Table 2. 10 mL 0.5–1.0% IKI and 5 mL 3% H2O2Water displaced in milliliters Time in seconds2 mL  4 mL  6 mL  8 mL  10 mL  12 mL  14 mL  16 mL  18 mL  20 mL  22 mL     Table 3. 10 mL 0.5–1.0% IKI and 5 mL 2.25% H2O2Water displaced in milliters Time in seconds2 mL  4 mL  6 mL  8 mL  10 mL  12 mL  14 mL  16 mL  18 mL  20 mL  22 mL     III. CALCULATIONS (20 POINTS) Table 1: 10 mL Undiluted IKI and 5 mL 3% H2O2 Slope: Inverse Slope:  Table 2: 10 mL 0.5–1.0% IKI and 5 mL 3% H2O2Slope: Inverse Slope:  Table 3:10 mL 0.5–1.0% IKI and 5 mL 2.25% H2O2Slope: Inverse Slope:  Order of H2O2: Order of IKI: Rate law constant: *Show Calculations and Include Graphs      IV.  RESULTS (15 POINTS) Overall rate law:   IV.  CONCLUSION (10 POINTS)     V.     QUESTIONS (30 POINTS) 1.      How many grams of IKI (iodine-potassium iodide; molar mass = 166.0 g/mol) would it take to obtain a 100.0 mL solution of 0.300 M IKI? How many grams of IKI would it take to create a 100.0 mL solution of 0.600 M IKI? (6 points) 2.      What is the molarity of 100.0 mL of a 3.0% H2O2 (mass/volume) solution? What is the molarity of 100.0 mL  of a 2.25% H2O2 (mass/volume) solution?  (6 points)   3.      When finding the order of H2O2, why was Trial 1 and Trial 3 used? (6 points)   4.      When  finding the order of IKI, why was Trial 1 and Trial 2 used? (6 points)   5.      How does temperature affect the reaction rate? Explain in terms of the collision theory.(6 points)

Click Me
×