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Science Labs
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CHEMICAL MAGIC Sept.10/03 OBSERVATIONS Reaction # Physical propertiesOf the REACTANTS Chemical ReactionClue(s) Physical propertiesOf the PRODUCTS 1 straight, flat, smooth surface, solid, gray, long rectangle colour change, heat, light, exothermic reaction white ashes 2 round green substancewith pieces of metal init colour change, heatgas, exothermic reaction metal turned to ablack ash, water isfoggy, green substanceturned to green bubbles 3 light blue liquid whichforms the shape of thetest tube colour change,endothermic reaction tinfoil was mostly dissolved but left a redresidue behind, blueliquid turned to a clearliquid 4 small cube like graypieces of solid matter colour change,endothermic reaction, gas water turned a grayish colour and substance was dissolved 5 clear liquids which form the shape of theirtest tube colour change, lightendothermic reaction the two substances mixed, a yellow residue was left after we filtered it QUESTIONS The Flare Reaction- 1. The magnesium metal also reacted with the oxygen in order to produce the white ashes. You are HOT!- 1. As a chemist, I could determine the identity of the gas because the mixture of substances was boiling or bubbling and a slight steam was rising from the substances therefore making it a gas.
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Paper Information
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Title: Science Labs
Words: 846
Rating: None
Pages: 3.4
submitted by: belljo
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