Chemistry I Core Labs

Links:

Purpose:
To graph energy change data as chemicals dissolve.

Summary:
Students measure temperature changes associated with the sequential additions of exothermic and endothermic chemicals to water.

Objectives Links:
2. A: Chemical Reactions & Energy

Process Skills Checklist

Materials:

• sodium hydroxide pellets
• 50 mL beakers
• 25 mL graduated cylinders
• stirring rods
• thermometers
• watch glasses
• forceps
• ammonium chloride
• distilled water

Safety Concerns:
General safety procedures.

Revision Date:
Summer 2001