The Hand Warmer Design Challenge: Where Does the Heat Come From?
Pre-Lab Activity: An animation showing the dissolution of an ionic compound on the particulate level can be found on
the website Chemistry Experiment Simulations and Conceptual Computer Anim
POST LAB QUESTIONS AND DATA ANALYSIS
1. Describe the energy transfer occurring in the polystyrene cup when the hot and cold water are mixed.
2. Calculate the quantity of energy, q of the hot water. Is this energy absorbed or released?