The observed rate law gives us insight into the reaction mechanism. Small change

Question

The observed rate law gives us insight into the reaction mechanism. Small changes in temperature can create large changes in the rate constant. The enthalpy change, Delta H, is related to the speed of a reaction. Reaction rates can depend on the available surface area, such as a powdered Soda contains a large amount of sugar. Which of the following statements is false? The rate determining step is the slowest step. An intermediate compound is formed by one step and consumed by a later step. Each elementary step must add up to the observed reaction. An intermediate compound is consumed by one step and formed by a later step, the reaction is complete. Many processes, not just chemical ones, can be described with kinetics. What statements are true about catalysts? Catalysts can increase the number of interactions between reactant molecules A catalyst makes a new path from reactants to products that has a lower activation An enzyme is a protein that is type of biological catalyst Catalysts are not consumed over the course of the entire reaction. All of the above are true.

Explanation / Answer

19 ) B) Small changes in the temperature can create large change in the rate constant. Iit is false

20) D) An intermediate is consumed by one step and formed by later step, so that the reaction is complete. It is false statement.

21) E) all of the above are true.

All the given statements about catalyst are true.

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