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Rip The Can
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== Demonstration == ;Preparation: * Prepare the copper (II) chloride solution: Dissolve 8g of the salt in 400mL of water. Once fully dissolved, store in a 500mL bottle with preparation date and initials. * Prepare the soda cans: Use the screwdriver to scrape the inside of the soda can and remove part of the inner plastic lining. scratch several circles into the walls of the can, being sure not to puncture the can in the process. ;Presentation: # 5 minutes before the demonstration, pour 100mL of the copper (II) chloride solution into one of the cans, and set it in the large tub. # When starting the demonstration, tell the audience that you can tear a soda can in half using you "magic gloves", indicating the thick waterproof gloves you are wearing. Show that the soda cans don't have any holes, and demonstrate by pouring some of the copper (II) chloride solution into one in front of the audience. Swirl the can and point out that it isn't leaking, then set it in the large tub. # Pick up the sodacan that has been sitting for 5 minutes. If you have a third can, you can set it in the bowl and pour it into the new sodacan. Otherwise, pour out the contents into the bowl, and then hold the can sideways, with the top and bottom each in a hand. Grip the can and twist it while pulling, and it will rip apart! # Ask the audience if they think this has to do with your gloves or something else. Explain the demonstration while performing it with the second soda can.
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