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Rate as a Function of Temperature: The 2 Point Arrhenius Equation 1. When the temperature is changed...

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Chemistry

Rate as a Function of Temperature: The 2 Point ArrheniusEquation

1. When the temperature is changed from 25°C to 46.3°C, thereaction rate doubles. What is the Activation Energy (Ea) in kJ/molfor this reaction?

2. A first order reaction has a half life of 45.0 minutes at30.0°C. What is the half life (in minutes) when the reaction isheated to 61.0°C? The activation energy for this reaction is 107.0kJ/mol.

Answer & Explanation Solved by verified expert
3.6 Ratings (468 Votes)
Answer 1 Wr are given T1 25oC 273 298 K T2 463oC 273 3193 K Rate k1 1 so k2 2 Ea We know the Arrhenius equation ln k1k2 EaR 1T2 1 T1 so ln    See Answer
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