Web Results

www.physlink.com/education/askexperts/ae653.cfm

When the coke is opened, there is suddenly a great pressure differential. ... When you open the bottle the excess gas rushes out of the bottle and a hissing sound is heard. ... work at the Coca-Cola plant pump carbon dioxide into the Coke to carbonate it ... In nature, when we "bail" at the speed where the water level remains ...

canvas.santarosa.edu/courses/16434/pages/chapter-3-physical-and-chemical-changes-presentation

Estimate the heat released during burning based on the balanced chemical ... Liquids: If the temperature of a gas is reduced, which in turn reduces the molecular speed, or the .... A reaction in the open takes place at 1 atm of pressure .

www.scientificamerican.com/article/bring-science-home-coke-mentos

Jun 14, 2012 ... Instead it is a physical reaction. ... It also means changing some factors may cause a larger or smaller ... While the soda is in the bottle, the gas is kept in solution by the bottle's ... The speed at which the Mentos falls through the soda can affect ... Mentos versus crushed, compare warm versus cold Diet Coke.

www.chemteam.info/Matter/WS-Physical&Chem-Changes-Ans.html

Label each process as a physical or chemical change: ... two ways: is it asking about the charcoal producing the heat or about the metal grill getting hot? ... be understood two ways: does 'exposion' means the actual opening up of the container (a bomb, ... Chlorine gas liquefies at -35 °C under normal pressure - physical

www.learner.org/courses/essential/physicalsci/session4/closer1.html

A Closer Look: Chemical Vs. Physical Change ... Butter melts on warm toast. ... certain rubbers and plastics to heat or cold would cause a chemical reaction ...

www.teachitscience.co.uk/attachments/19096/physical-v-chemical-change.pdf

When you have completed this, think of two more chemical changes and two more physical changes ... when you heat a substance and there is a colour change and a gas is given off ... when wine turns sour after the bottle has been opened.

cat.alhambraesd.org/UserFiles/Servers/Server_182537/File/physical-change-vs-chemical-change.pdf

Matter has physical and chemical properties and can undergo ... adding baking soda and vinegar and watching it bubble and give off a gas. ... Attach the opening of the balloon to the mouth of the water bottle—be careful not to get any baking.

www.sciencebuddies.org/science-fair-projects/project_ideas/MatlSci_p023.shtml

Determine if using crushed Mentos candies will change the height of exploding soda ... Diet Coke® is a registered trademark of The Coca-Cola Company.

files.eric.ed.gov/fulltext/ED300212.pdf

reactions, chemical energy and rates of reaction, chemistry around the house, chemistry .... Carla L. Clemens: Cover design and section opening pages .... How Much Gas Is in a Bottle of Cola? 5. 3. Solution of a Gas: What Happens During a Pressure Change? 8. 4. ... The Heat Is On with Zinc and Copper Sulfate. 119. 43.

www.thekitchn.com/food-science-why-carbonated-so-89864

Jul 14, 2009 ... Carbonated drinks are made by forcing carbon gas into a beverage ... If you shake the bottle before opening it, some of the carbon that has ...