2. Compare the rate of Run 1 and Run7. How much faster did the reaction occur wh

Question

2. Compare the rate of Run 1 and Run7. How much faster did the reaction occur when a small amount of iron (III) chloride hexahydrate is present compared to the reaction without this compound? What is the role of the iron (III) Chloride hexahydrate, ex. Why does it affect the rate of the reaction?

3. Suppose we were able to measure the amount of oxygen gas formed in units of mol/L, and the rate of formation of oxygen was found to be 0.0125 M/s.

(a) What would be the units for the rate constant?

(b) What would be the rate of decomposition of the hydrogen peroxide? Explain your answer.

I would greatly appreciate if anyone would be able to explain and clealy write out any answers to these problems. If possible for number 2 , please answer the red portion of the question primarily.

Thank you so much.

Explanation / Answer

2. Iron (III) Chloride hexahydrate serves as a catalyst in the reaction. It acts as a lewis acid and creates a complex with a partial negative charge activating a bond for cleavage. This activiation causes the reaction to proceed faster. This wikipedia link should help if you need something more in depth: http://en.wikipedia.org/wiki/Lewis_acid_catalysis

3a. The rate constant would have units mol/L

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