What are three ways chemist can control chemical reactions paragraph or explanations

Chemists can control rates of reactions by changing factors such as surface area, temperature, and concentration and by using substances called catalysts and inhibitions.

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answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.