4B10.20 Mixing Hot & Cold Water

Use as example of what happens when you bring objects at different temperatures in contact and as example of irreversable process. Slowly add hot water until full. The top half will turn green where the water mixes.

Picture: Not Yet Available

Setup Requirements:Assembled as needed. You will need to allow time for hotplate to heat up and heat water.Color hot water with yellow food coloring. Color cold water with blue food coloring. Fill cylinder about 2/3 full with cold water.

Equations: Q = mc (delta T)

Safety Issues: Hotplate and hot water