Showing posts with label Arrhenius calculations. Show all posts
Showing posts with label Arrhenius calculations. Show all posts
Tuesday, September 20, 2011
Arrhenius calculations
The Arrhenius equation can be used to calculate the missing value of: A, K or Ea. Remember to convert Ea values to J/mol as they are usually in KJ/mol. Therefore you need to be consistent with the gas constant which is: 8.314 JK-1 mol-1. T must be in Kelvin. The other tip is that when you are calculating an Ea value, use the natural log form: lnK = lnA - Ea/RT.
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