Coin Tarnish

Ask questions about projects relating to: aerodynamics or hydrodynamics, astronomy, chemistry, electricity, electronics, physics, or engineering

Moderators: MelissaB, kgudger, Ray Trent, Moderators

Coin Tarnish

Postby vanj510 » Sun Dec 09, 2007 8:37 pm

Can please tell me how long it will take for a coin to tarnish?

Thanks,
Van M
vanj510
 
Posts: 3
Joined: Wed Nov 28, 2007 11:11 pm
Occupation: Student
Project Question: Which liquid will tarnish a coin the fastest?
Project Due Date: 1/25/08
Project Status: I am finished with my experiment and analyzing the data

Postby staryl13 » Sun Dec 09, 2007 8:52 pm

Hi Van
It really depends on the coin. If it is a copper coin, this link is pretty helpful-
http://resources.schoolscience.co.uk/CD ... 31pg3.html
If you tell us more information about your project, we might be able to help you more, thanks!
"There is a single light of science, and to brighten it anywhere is to brighten it everywhere." -Isaac Asimov
staryl13
Former Expert
 
Posts: 404
Joined: Tue Sep 18, 2007 3:27 pm
Occupation: Research Assistant
Project Question: Neuroregeneration
Project Due Date: N/A
Project Status: Not applicable


Return to Grades 9-12: Physical Science

Who is online

Users browsing this forum: No registered users and 7 guests