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Unformatted text preview: slowly then became more active. We recorded the temperatures of the three portions of foils and each had a different measure. We saw some fume and steam and the solution became black or kind gray.When we add more grams of Al we can see that when the foil react with the NaoH the temperature will jump quickly . Conclusion: This lab shows every chemical reaction can receive or give away heat which is going to be energy that in many form but this experiment it the energy formed as gas or bubbles and also the solution change the colors. The temperature of the solution goes really high and the solution always change the color this due to the reaction of the two elements together....
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This document was uploaded on 05/07/2010.
- Fall '07