AnniceandTasha

**MAKING A BAKING SODA AND VINEGAR VOLCANO **  For Tasha and I's experiment, we will be making a baking soda and vinegar volcano. The baking soda and vinegar volcano is a chemistry project you can use to simulate a real volcanic eruption, as an example of an acid-base reaction. The chemical reaction between baking soda (sodium bicarbonate) and vinegar (acetic acid) produces carbon dioxide gas, which forms bubbles in the dishwashing detergent.

**MATERIALS: **
 * -3 cups flour
 * -1 cup salt
 * -2 tablespoons cooking oil
 * -empty 20-oz drink bottle
 * -deep plate or a pan
 * -gel food coloring
 * -dishwashing detergent
 * -baking soda (sodium bicarbonate)
 * -vinegar (dilute acetic acid)


 * STEPS: **
 * 1) Mix together 3 cups of flour, 1 cup of salt, and 2 tablespoons of cooking oil to make dough for the volcano.
 * 2) Fill the empty bottle of water with hot tap water.
 * 3) Add a squirt of dish washing detergent and 2 tablespoons of baking soda into the bottle of hot tap water.
 * 4) Mold the dough around the bottle making sure NOT to plug the opening.
 * 5) Place the bottle and dough into a deep dish or pan.
 * 6) To make the eruption happen, dump vinegar into the opening of the bottle and record observations.

'The baking soda and vinegar volcano erupts because of an acid-base reaction: baking soda (sodium bicarbonate) + vinegar (acetic acid) --> carbon dioxide + water + sodium ion + acetate ion where s = solid, l = liquid, g = gas, aq = aqueous or in solution __Breaking it down:__ NaHCO3 <--> Na+(aq) + HCO3-(aq) CH3COOH <--> H+(aq) + CH3COO-(aq) H+ + HCO3- <--> H2CO3 (carbonic acid) H2CO3 <--> H2O + CO2 Acetic acid (a weak acid) reacts with and neutralizes sodium bicarbonate (a base). The carbon dioxide that is given off is a gas. Carbon dioxide is responsible for the fizzing and bubbling during the 'eruption'.' (Anne Marie Helmenstine, chemistry.about.com)
 * HOW DOES IT RELATE TO CHEMISTRY? **
 * NaHCO3(s) + CH3COOH(l) --> CO2(g) + H2O(l) + Na+(aq) + CH3COO-(aq)**

=ATOMS=





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