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Factors Affecting Reaction Rates in Chemistry Lab

Factors Affecting Reaction Rates Katie Letson 11/28/2022 CAROLINA 1 Data Activity 1 Data Table 1: Calibration Trial NazSzO3(drops) 8 Reaction time (sec) 14.8 18.2 N/A 1 2 9 3 N/A 1. How many drops will be used in the remaining experiments? 9 drops Activity 2 Data Table 2a. Effects of Kl (l') Concentration KI HCI Starc H2O Na2S2 H2O Tim Time Averag Rate Tri (drop (drop h (drop 03 2 e1 2 e time (1/Tavg al s) s) (drop s) (drops (mL (sec (sec) (Tavg) ) 1 8 2 4 0 9 0.4 16 16.45 0.061 2 8 2 4 0 9 0.4 16.9 3 6 2 4 2 9 0.4 23.2 22.75 .044 4 6 2 4 2 9 0.4 22.3 5 4 2 4 4 9 0.4 36.7 55.35 .0181 6 4 2 4 4 9 0.4 37.3 2 2 4 6 9 0.4 45.0 43.05 02323 8 2 2 4 6 9 0.4 41.1 Data Table 2b. Effects of H,O2 Concentration 2016 Carolina Biological Supply Company 2 KI HCI Starc HzO Na2S2 H2O Tim Tim Average Rate Tri (drop (drop h (mL 03 2 e1 e2 time (1/Tavg al s) s) (drop (drops (mL (sec (sec (Tavg) ) 1 8 2 4 0 9 0.4 23.7 23 .0435 2 8 2 4 0 9 0.4 22.3 3 8 2 4 0.1 9 0.3 31.5 31.015 30.5 03224 0.3 3 35.9 0.2 8 35.99 .0278 0.2 36.0 4 8 2 4 0.1 9 5 8 2 4 0.2 9 6 8 2 4 0.2 9 7 2 0.3 0.1 56.1 56.0 0.1 8 4 9 56.06 0.018 8 8 2 4 0.3 9 Data Table 2c. Effects of HCl (H*) Concentration KI Starc H2O Na2S2 H2O Tim Tim Average Rate Tri HCI (drop h (drop 03 2 e1 e2 time (1/Tavg al (%) s) (drop s) (drops (mL (sec (sec (Tavg) ) 100 23.7 1 8 4 0 9 0.4 % 9 23.96 .042 100 24.1 2 8 4 0 9 0.4 % 3 24.0 3 8 75% 4 0 9 0.4 3 24.13 0414 24.2 4 8 75% 4 0 9 0.4 3 25.8 5 8 50% 4 0 9 0.4 3 25.58 .04 25.3 6 8 50% 4 0 9 0.4 3 7 28.7 8 25% 4 0 9 0.4 28.02 0.036 27.3 8 8 25% 4 0 9 0.4 3 Activity 3 @ 2016 Carolina Biological Supply Compan