letter 18980

WHY IS THE STATUE OF LIBERTY GREEN  

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Why is the Statue of Liberty green? I know that she is made of copper and the rain contains acid. Can you help me with more detail for my science project?

Randallast name deleted
- Saline, Michigan


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Hi, Randal. It's green because simple salts of copper are blue-green. Please tell us what your science project is, Randal, and what grade are you in so we can try to help.

Acid rain is a phenomenon which reportedly can adversely affect aquatic life in high mountain lakes that lack buffering from dissolved salts. But it is a very mild "acid" which probably has nothing to do with greening of the statue.


Ted Mooney
finishing.com
Brick, New Jersey


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It is green because when it rains the rain makes the copper fade away and that is what is underneath the copper!!!

Jordyn Mlast name deleted
- Philipsburg, Pennsylvania


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The statue is green 'cause of chemical weathering. Chemical weathering is dependent on available surface for reaction temperature and presence of chemically active fluid. Which that fluid makes the copper green.

Tabitha Llast name deleted
- Michigan


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Jordyn is incorrect. Don't know if he's pulling a prank or just didn't know. Copper is copper colored (the color of a bright new penny), but it tarnishes into copper oxides and salts which are not the same color as copper. The color it tarnishes depends on the conditions it is exposed to. In normal outdoor exposure, with no handling, the blue-green color is typical.


Ted Mooney
finishing.com
Brick, New Jersey


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The greenish color is a result of the sulfuric acid in the rain reacting with the copper to form copper (II) sulfide.

Jay Carlson
- Lincoln, Nebraska


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TRY THIS:

Put a DARK penny in a vinegar and table salt solution.
Then... leave it in the solution over night
It turns green!!

Salt (sodium chloride) combines with acetic acid from the vinegar to produce sodium acetate and hydrogen chloride. Hydrogen chloride (a strong acid) in combination with sodium acetate rapidly cleans the surface of the penny. The cleaning process leaves a very pure metal surface. The surface will corrode when exposed to the water, oxygen, and carbon dioxide from the air. The pennies will turn green when left in the solution over long periods because the copper combines with the acetate in the vinegar.

David Woods
- Red Lodge, Montana


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The Statue of Liberty is green because of acid rain and the salt water because if you put it in a cup of water with salt and vinegar it will start to make acid.

Malcom Elast name deleted
- Mt.Vernon, New York


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hey,

Why does a copper roof turn green? I'm doing a science project for my grade 10 science class. I've checked everywhere and none of the search engines on the internet can help me so I've put my faith in really people. I would really appreciate it if someone could help and soon as there is a deadline on this project lol. thanks so much your a lifesaver!

Rebecca Slast name deleted
school - Ottawa, Ontario, Canada


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Its pretty simple. The process is called corrosion. Basic copper carbonate is green. Usually, we see copper oxide, but then, CuCO3 is the most basic form. The roofs react with the atmosphere {like the moisture, oxygen, etc}, and hence, the roof gradually gets corroded, and it appears green

Nanditha Jlast name deleted
- Delhi, New Delhi, India


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It is Green because of the acid that rain produces it also causes the statue of liberty to weather it and chemicals from the rain could cause it to turn a green.

Gillian Glast name deleted
- Eatonton, Georgia


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i need help. this is for a science paper and i have no idea what it is.
someone please tell me...

i need help describing the chemical reaction that makes the statue of liberty green.

Megan Jlast name deleted
student - Daphne, Alabama


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I NEED AN ACCURATE ANSWER!!!!! QUICK why is lady liberty green?????? please make ACCURATE!!! anna h. PA

ANNA Hlast name deleted
- Harrisburg Pennsylvania


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The statue of liberty is green because so many people have urinated on it throughout the years. This has caused it to rust which is green. And none of the workers are brave enough to clean 50 year old pee.eewww:)jking! idk!!!

Katelynlast name deleted
- Palm City, Florida







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Don't trust her, Anna :-)


Ted Mooney
finishing.com
Brick, New Jersey


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hey;;
can any of you guys tell me how does acid rain effect the Statue of Liberty..and if so how is it restored???&& what is the cost of the restoration
can u tell me please
I need it for my science essay

Katherinelast name deleted
student - Coney Island, New York


January 1, 2008

I need help big time!! I also have a science project due tomorrow! I found some information on this website!! A BIG THANKS TO ALL OF U WHO WROTE ON THIS PAGE!!!!

Jingie Slast name deleted
- Brooklyn, New York,


March 9, 2008

The lady of liberty is green because when copper reacts with oxygen, it turns green.In the oxididation-reduction reaction, copper atoms lose electrons and forms either copper sulfate or copper chloride. Dah! I'm only 12

Kelley Slast name deleted
- New York, New York


March 25, 2008

Hi my name is Hannah and I'm in the third grade,when I asked the question "Why is The Statue of Liberty green?" you gave me a lot of predictions but you didn't tell me which one is right.

Hannah Wlast name deleted
- W. Paducah, Kentucky


March 27, 2008

Most of the opinions were basically right, Hannah. Whether we call it corrosion or oxidation, it's the same thing. The copper reacted with the air and produced copper salts, which some people called corrosion products or tarnish. When copper is exposed to the air for long periods of time and without anyone handling it like this, that's what happens. And the color of the salts or corrosion products is green. Good luck.


Ted Mooney
finishing.com
Brick, New Jersey


May 7, 2008

What are some effects of acid rain on the statue of liberty i have a science project due in a day and i need some help i am a freshman in high school and have no clue what i am doing

Natashia Flast name deleted
student - Tea, South Dakota


May 7, 2008

Hi, Natashia. If your project is due in a day, unfortunately you started too late. I'd ask the teacher for a one-week extension. You really can't proceed on your project without getting to the library.

You need to start with a hypothesis. I would start with "Acid rain is not responsible for the deterioration of the Statue of Liberty", but your hypothesis can, of course, be the opposite. Then you need to accumulate facts about the historical corrosion of the statue and compare it to the historical rise of acidity in the air. If you cannot make a correlation, my hypothesis is almost surely the correct one, and the project is done. If you can make such a correlation, then you're not done yet because you have to explain away all other possible factors -- that's why my hypothesis is much easier to prove (If it's true, of course. You won't be able to prove it if it's not true). I'm sure a huge amount of research went into studying the corrosion before the big repair of 1986, and I'm confident that some popular books at your library will cover the highlights of that.

After you have your hypothesis, you probably want to run an experiment that helps to demonstrate the truth or incorrectness of your hypothesis. Good luck.

Regards,


Ted Mooney
finishing.com
Brick, New Jersey


June 2, 2008

the statue of liberty is BLUE not GREEN.....GOD!

TREVER GILLIAN DOGE
- CANADA


June 2, 2008

Hi, Trever. I'm a very blue-leaning guy. I'll often say things are blue that my wife says are "obviously green". But even to a blue guy, the statue is green, not blue. You must be a blue extremist, a blue radical. Down with blue fascism!  :-)

Regards,


Ted Mooney
finishing.com
Brick, New Jersey


April 15, 2009

Y'all are CrAzY!!! The Statue of Liberty is neither green and DEFINITELY NOT blue......it's teal :D

Patrick C
- New York, New York


My favorite TV commercial --

Kindergarden teacher, pointing to her blouse: Now class, what color is my blouse?
Kids (in unison): GREEN!!
Teacher, pointing to her skirt: And what color is my skirt?
Kids (in unison): RED!!
Teacher, pointing to her teeth: And what color are my teeth?
Kids (individually): Beige? Tan? Ecru?


Ted Mooney
finishing.com
Brick, New Jersey


April 15, 2009

WHY IS LADY LIBERTY GREEN? HI MY NAME IS CLARE AND I HAVE A HISTORY PAPER DUE NEXT TUESDAY ON LADY LIBERTY AND I'M SUPPOSE TO LIST HOW SHE HAS CHANGED OVER THE YEARS AND I FIGURED THAT THE COLOR WAS THE MOST WELL KNOWN CHANGE AND THE ONLY ONE WE CAN SEE. SO PLEASE POST MY QUESTION BECAUSE MY E-MAIL IS VERY UNRELIABLE!! I'M IN FIFTH GRADE.

CLARE Wlast name deleted
STUDENT - BATTLE GROUND, INDIANA


April 16, 2009

But what answer are you seeking which is not already on this page, Clare?

Regards,


Ted Mooney
finishing.com
Brick, New Jersey


May 14, 2009

Green color is a patina from copper made of Copper carbonate and copper hydroxide. Check this for further detail: en.wikipedia.org/wiki/Copper_hydroxide

Fyfi Fendir
- Tallahassee, Florida


November 16, 2009

Think of a penny. Pennies are copper. If you put water in acid they would turn from red-brown to green. Thats all I really know.

Dezerae Clast name deleted
- Holiday Florida


December 1, 2009

stumbled upon this while looking to explain to my fifth-grader "geologists" exactly what acid rain is and how it happens ... Love the exchange about the color of the statue of liberty and the story about the teacher & the color of her teeth!! :)

mary b
none ... student intern - frederick Maryland


January 2, 2010

Everyone! The statue of liberty is not green because of acid rain. It is mostly because of the salt in the air from the water. It is called oxidation which means the air makes the metal chemically react, making it look green.

Daisy Barry
- Levittown, New York


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