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Essay text:
At a fixed temperature, the rate of a reaction may be mathematically described by a rate law. In this experiment the rate law for the chemical reaction, 2I + H2O2 ? I2 + 2H2O. The reaction rate must be measured and the values of the constant (k) and order (p and q) for the rate law k [I]p [H2O2] q can be calculated.
Experimental
Table 1: Composition of experiment 1 solutions
Trial # Solution A Solution B
Buffer 0.3 M KI Starch 0.02 M Na2S2O3 DI Water 0.1 M H2O2 Temp Time
1 5.00mL 2.00mL 0.40mL 5.00mL 21.6mL 6.00mL 22°C 320s
2 5.00mL 4.00mL 0.40mL 5.00mL 19.6mL 6.00mL 21°C 255s
3 5.00mL 6...
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