Respuesta :
The smallest rate constant k is the chemical changes causing leaves to brown in the fall.
What is the rate constant?
The rate constant refers to the number that shows the extent to which reactants are converted into products.
We know that a small rate constant shows that little reactant are converted into products per time hence the smallest rate constant k is the chemical changes causing leaves to brown in the fall.
Learn more about rate constant:https://brainly.com/question/20305871?
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