What is the wavelength that will be used on the

What is the wavelength that will be used on the spectrophotomer?
Which acidic pH values will be examined in Procedure 11.2? Which basic pH value will be examined in Procedure 11.2?
What is the difference between a competitive and a noncompetitive inhibitor? The inhibitor for our experiment is competitive.
What is the purpose of the guaiacol used in Procedure 11.3?
In the following table, fill in the specifics for each procedure. In the indicator
column, list the visual cue that you will see when the specific reaction occurs.
Temperature(11.1)
pH (11.2)
Inhibitor (11.3)