Hydrogen Peroxide Add 50 0 Ml Of The 3 H O2 Solution To The Styrofoam Cup Using A Graduated Cylinder Place A Magnetic 1 (85.45 KiB) Viewed 42 times
Hydrogen Peroxide Add 50 0 Ml Of The 3 H O2 Solution To The Styrofoam Cup Using A Graduated Cylinder Place A Magnetic 2 (69.98 KiB) Viewed 42 times
Hydrogen Peroxide Add 50 0 Ml Of The 3 H O2 Solution To The Styrofoam Cup Using A Graduated Cylinder Place A Magnetic 3 (36.56 KiB) Viewed 42 times
Hydrogen Peroxide. Add 50.0 mL of the 3% H₂O2 solution to the styrofoam cup using a graduated cylinder. Place a magnetic stir bar in the cup. Turn on the stirrer. 1. 2. 3. 4. 5. 6. 7. 8. Examine the thermometer. You should read it to its full precision. Add 10.0 mL of 0.50 M Fe(NO3)3 to a 10 mL graduated cylinder. This solution will be added to the H₂O2 solution at the 5-minute mark. Measure the initial temperature of the H₂O2 solution. This is the zero-minute reading. Measure the temperature again after 1, 2, 3, and 4, minutes. Remember to record your observations of the colour of the H₂O2 solution and the colour of the Fe(NO3)3 catalyst. At the 5-minute mark, add the Fe(NO3)3 catalyst but do not measure the temperature. Record the color of the reaction mixture immediately after adding the catalyst. At the 6-minute mark, measure and record the temperature. Continue measuring and recording the temperature until the 20-minute mark is reached. Remember to record your observation of the colour of the reaction mixture at the end of the experiment. The reaction mixture just contains a dilute Fe(NO3)3 solution. Draw a graph of temperature versus time. temp time 22 29 32 35 37 OL234 0 1 4.5 4 3.5 3 925 2 1.5 [սլայթաս 1 0.5 0 -0.59 5 10 temp vs time 15 20 temp (degrees) 25 30 ****
Initial Temperature (from plot) Final Temperature (from plot) AT Heat change for the reaction mixture (qsolution) Heat change for the calorimeter (qcalorimeter) Total heat change (quotal) Moles of H2O2 reacted Enthalpy of Decomposition (Experimental) °C °C J mol kJ/mol
Enthalpy of Decomposition % Error: (Literature) kJ/mol
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