Can Varying Concentration, Surface Area, and Temperature Prevent a Reaction?

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SUMMARY

Varying concentration, surface area, and temperature can indeed influence the rate of chemical reactions by affecting the frequency and energy of collisions between reactants. Lowering concentration or surface area can reduce the likelihood of collisions, potentially preventing a reaction. Additionally, increasing temperature generally increases reaction rates, but if managed correctly, it can also lead to conditions where a reaction is less favorable. Catalysts, by definition, always speed up reactions by providing an alternative pathway with a lower activation energy.

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I'm really having trouble with this question, can someone help me with an explanation?

Is it possible to vary the factors of concentration, surface area, and temperature in a way that would prevent a reaction from happening? explain your answers in terms of collisions.

Will catalysts always speed up reactions?


thanks in advance
 
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First have you read your textbook? What ARE "concentration" and "surface area" and what do they have to do with reactions? What is the definition of "catalyst"?
 

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