Most guests spend approximately 5-6 hours at the park. Whether you're looking for something simple and fun for the kids, something fun for both you and the kids, or thrill rides that are simply mind-blowing, Six Flags St Louis has everything you could possibly need for a wonderful time. Hurricane Harbor Water Park.
The reaction that occurs is a redox reaction. The Copper metal (Cu 0)on the copper pennies is oxidized in concentrated nitric acid to produce Cu 2 + ions. Copper is easily oxidized to Cu 2 +, which is blue in aqueous solutions (water) so you should see the solution turn blue as the copper penny reacts.he Copper metal (Cu 0)on the copper pennies is oxidized in concentrated nitric acid to produce Cu 2 + ions. Copper is easily oxidized to Cu 2 +, which is blue in aqueous solutions (water) so you should see the solution turn blue as the copper penny reacts.
1 Do not mix types of coins when soaking. 2  Copper especially will sometimes discolor other coins. 3  Do not use abrasives on a coin. 4  Always use soft cloth or tissue to clean the coin.5  Other, more abrasive cloths may scratch the coin to the point that it is ruined. 6  Abrasive powders and household cleaners may also ruin a coin.ips. 1  Do not mix types of coins when soaking. 2  Copper especially will sometimes discolor other coins. 3  Do not use abrasives on a coin. 4  Always use soft cloth or tissue to clean the coin.