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?
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