|Creating a Monster Soap Bubble Dry Ice for Halloween|
Dry Ice (solid carbon dioxide) is dropped into a large tub of warm water. A cotton rope is soaked in soap and slowly dragged across the rounded lid. As the dry ice sublimes (turns from a solid to a gas) the bubble expands and eventually
|Ammonium Dichromate Volcano|
Ammonium Dichromate is a somewhat compact orange solid that when heated decomposes into a green solid Chromium(III) Oxide( that appears to grow in size) along with nitrogen and stream. You can see why this reaction is called a volcano reaction.
(NH4)2Cr2O7(s) → Cr2O3(s) + N2(g) + 4 H2O(g) (ΔH=−429.1 kcal/mol)