Question

design an experiment to test substances X, Y, and Z to determine which one is a catalyst for the reaction.

Answer 1

Prepare three test tubes containing reactant A

Prepare three test tubes containing reactant B

Add one test tube of reactant B and one unknown to one test tube of reactant A. Repeat for other two unknowns

Time the reaction until the bubbling stops

The unknown that causes the reaction to occur the quickest is the catalyst

Step-by-step explanation:

Did the test

Answer 2

A+B C. Only one of the unknown substances is a catalyst, and the others are nonreactive with A, B, or C. When 10 mL of A is added to 10 mL of B the reaction takes twenty seconds. Bubbles form when the product C is created. The student prepares three test tubes, each containing both reactants A and B. She adds unknowns X, Y, and Z to test tubes 1, 2, and 3, respectively.