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Rusting in Coke, Sprite, and Mountain Dew

Well my name is Becca F and I'm in 7th grade and I was just wondering what metals rust and don't rust in Coke,Sprite, Mountain dew,and Sunkist.I want to know because I've looked everywhere,Google,Yahoo,Dogpile,ASk,Wikipedia EVERYWHERE and can't find it.I'm doing a project for school and thats' all I need to know.THANK YOU AND PLEASE!

Rebecca
- Gulfport, Mississippi
2006

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2006

Hi, Rebecca. Can you get some guidance on this from your parents, a sibling, or your librarian? Can you ask your teacher: "What is the point of this exercise? What am I to draw from it? What knowledge can I gain from it that is extensible?"

I am confident that you can add 6541 plus 2483 and get the right answer, and I am also confident that you were never taught the answer to that specific problem. You are able to do it because you were taught the key pieces of arithmetic and how to extend them to new problems. That is the way science is supposed to be too!

Googling for "Mountain Dew rust" is ridiculous, and your question reveals that you unfortunately don't yet have an understanding of what you are supposed to be doing or why; to proceed in that way is to waste your brain and your talents. Charles Darwin himself tells us that to engage in "science" in such a way is the same as spending your life going down into a gravel pit every day and categorizing each pebble by color and weight. What is the point?

But if your teacher just wants you to find an answer on the Internet, steel and iron will rust in any of them; no other metals can rust because 'rust' is iron oxide, the corrosion product of the reaction of iron with oxygen in the air.

Good luck, and please try hard to find somebody who can help you appreciate this science project.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

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2006

To add to Ted's comments. Why did you pick this subject? why do you stay with it if you can not find any information.
Next, you certainly did not do a search of this site as "rust" will bury you in questions and comments.
Clarification-Rust is by definition an iron oxide which you certainly have to have come across several times.

Now a bit of help, rust is corrosion-- try searches with that also. The corrosion engineers web site will be far over your head, but you might get an idea or two: NACE.

James Watts
- Navarre, Florida