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Oxidation - weight of metal
Old Posted: 1/12/2010 9:27:01 PM   #1
 
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Default  Oxidation - weight of metal

Hi, This is my first time on so i hope I am posting this question in the correct section. I bought MCAT Audio Osmosis and on the cd Jordan and Jon say that you can post a question on line and it will be answered. Here goes... I have been reading about the oxidation of a silver coin when you place it near a newly cooked egg. The sulfide oxidizes the silver and as a consequence the weight of the silver coin increases after oxidation. My question is - what does the weight of the coin increase? Doesn't oxidization mean that the silver in "losing" electrons. Would this not mean that the weight of the coin decreases? Why if the coin is losing electrons does it increase in weight? Thanks very much. I would really appreciate it if someone could let me know the reason. I am sure it is a simple one. Best of luck Clare
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Old Posted: 11/3/2017 2:27:42 AM   #5
 
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Old Posted: 12/15/2017 1:43:14 AM   #7
 
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