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Topic: What compound that changes color with temperature?  (Read 10423 times)

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jaclynt

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What compound that changes color with temperature?
« on: July 12, 2004, 07:44:06 PM »
What compound or type of compound is green (clear) at room temperature but changes to a orange brown (still clear) when heated and is almost entirely orange (and clear) at ~ 100C?
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Offline Donaldson Tan

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Re:What compound that changes color with temperature?
« Reply #1 on: July 17, 2004, 02:38:19 PM »
I know ZnI2 is yellow when hot, colourless when cool
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"Say you're in a [chemical] plant and there's a snake on the floor. What are you going to do? Call a consultant? Get a meeting together to talk about which color is the snake? Employees should do one thing: walk over there and you step on the friggin� snake." - Jean-Pierre Garnier, CEO of Glaxosmithkline, June 2006
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