When i mixed the calcium chloride and baking soda with the phenol red and water it started out really warm and then it expanded in then it expanded and got coldish. It smelt like rubbing alchohal.

When i did the same thing but minus the water it made like a yellowish color and started out warm and turned cold and the gas expanded in the baggy.

When i did all of the same steps but didnt put in the phenol red it made a white bubble substance that got really hot and made bubbles.

When I mixed the phenol red and the calcium chloride it got really warm and smelled like rubbing alcohol.

When mixing the phenol red and baking soda together it smelt like rubbing alcohol and got really cold.
When I mixed the calcium chloride with water it got really warm and fizzled a little.
Baking soda with water made it really cold and it looked like milk.

1. I think the different substances made it feel different. Like when we put the two together it got hot and cold.
2. No, there was no different temp change.
3. Yellowish orange,no it takes all those chemicals to make it that color.
4. The color usually came first and then the gas formed.
5. When they were seperate nothing would happen, when put together it caused a reaction.
6. Color, smell, and when the substance turned into gas.
7. Change the liquid and see if it would do the same.
8. No just depends on if your doing so something to change the tempature.
4.