This is why the egg swells in size during the experiment. The discoloration in the vinegar and floating material you see is calcium acetate - a product of the chemical reaction. How long does it take ...

What do you observe? The eggshell and the antacid tablet shouldn’t do anything interesting in the water but they should cause bubbling in the vinegar. Cover your work surface with newspaper or paper ...

Step 1: Place each egg in a glass carefully so you don't crack the shell. Step 2: Pour cola over an egg and fill the glass. Step 3: Do the same with orange juice, vinegar and water in separate ...