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35.
Which of the following techniques will slow a chemical reaction?

A introduce a catalyst

B increase the available surface area of reactants

C raise the concentration of reactants

D decrease the temperature

Respuesta :

psalm27v1
A through C actually tend to increase reactions. Catalysts, increased surface area and increased concentration all tend to do that. But decreased temperature means decreased energy and speed of the molecules/atoms, thus slowing the reaction.

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