Chemistry II AP Core Labs

Links:

Purpose:
To determine the order of the crystal violet spectrum.

Summary:
Students monitor the absorbance of a reaction between crystal violet and sodium hydroxide over time. The rate constant and half-life are then determined.

Objectives Links:
III. D: Kinetics

Process Skills Checklist

Materials:

• CBL system and TI graphing calculator
• calorimeter
• 100 mL beaker
• 0.1 M NaOH
• 6x10^-5 crystal violet
• distilled water
• 10 mL graduates
• plastic calorimeter cuvettes

Safety Concerns:
0.1 M NaOH is corrosive. Handle with care.

Revision Date:
Summer 2001