We learned about activation energy and the dependence of reaction rates on tempe

Question

We learned about activation energy and the dependence of reaction rates on temperature. According to the American Kennel Club (AKC), a temperature of 101 to 102.5 degrees Fahrenheit (38.3 to 39.2 degrees Celsius) is typical for pooches, whereas humans' normal body temperature is just 98.6 degrees Fahrenheit (37 degrees Celsius). Assuming all digestion processes are the same for dogs and people, discuss whether you believe the dog or person will digest the ice cream faster. Explain your answer in terms of temperature and activation energy for digestion.

Explanation / Answer

It is most likely that the pooches will dissolve/digest faster, since it has a higher Temperature, which implies a higher rate of reaction

- The rate constant depends on T and increases

- There are more collisions per unit time

therefore

the human will digest the food much slower

- The activation energy is higher, since T is lower

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