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Rate of Reaction | 11 mins | 0 completed | Learn Summary |
Average Rate of Reaction | 18 mins | 0 completed | Learn |
Arrhenius Equation | 16 mins | 0 completed | Learn Summary |
Rate Law | 38 mins | 0 completed | Learn Summary |
Integrated Rate Law | 52 mins | 0 completed | Learn Summary |
Collision Theory | 9 mins | 0 completed | Learn |
Additional Practice |
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Instantaneous Rate of Change |
Energy Diagram |
Catalyst |
Michaelis-Menten Equation |
Reaction Mechanism |
Identifying Reaction Order |
Consider the gas-phase reaction: H2(g) + I2(g) → 2 HI(g)
The reaction was experimentally determined to be first order in H2 and first order in I2. Consider the proposed mechanisms.
Proposed mechanism I: H2(g) + I2(g) → 2 HI(g) Single step
Proposed mechanism II:
I2(g) → 2 I(g) Fast
H2(g) + 2 I(g) → 2 HI(g) Slow
What kind of experimental evidence might lead you to favor mechanism II over mechanism I?
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