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Chemistry

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  2. Board: /sci/ - Science & Math
  3. Reading: Chemistry
Thread replies: 12
Thread images: 2

Anonymous
Chemistry 2016-05-16 04:38:08Post No. 8077623
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File: índice.jpg (95KB, 960x1280px) Image search: [Google] [Yandex] [Bing]
índice.jpg
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Chemistry Anonymous 2016-05-16 04:38:08 Post No. 8077623 [Report]
What is this?
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Anonymous 2016-05-16 04:40:24 Post No.8077625
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Anonymous 2016-05-16 04:40:24 Post No.8077625 [Report]
>>8077623
>not recognizing caffeine on site
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Anonymous 2016-05-16 04:41:48 Post No.8077627
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Anonymous 2016-05-16 04:41:48 Post No.8077627 [Report]
>>8077623
really? you couldnt google it or something?

its caffeine
>>
Anonymous 2016-05-16 04:54:15 Post No.8077650
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Anonymous 2016-05-16 04:54:15 Post No.8077650 [Report]
>>8077625
>>8077627

What element is Z?
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Anonymous 2016-05-16 05:00:00 Post No.8077663
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Anonymous 2016-05-16 05:00:00 Post No.8077663 [Report]
>>8077650
Its an arbitrary group
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Anonymous 2016-05-16 05:09:52 Post No.8077681
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Anonymous 2016-05-16 05:09:52 Post No.8077681 [Report]
>>8077650
Zirconium without the r
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Miniature Spacecraft 2016-05-16 05:14:50 Post No.8077687
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Miniature Spacecraft 2016-05-16 05:14:50 Post No.8077687 [Report]
>>8077623

C8H9O2N4 --->google it ---> ????
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Anonymous 2016-05-16 07:32:26 Post No.8077895
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Anonymous 2016-05-16 07:32:26 Post No.8077895 [Report]
>>8077625
Caffeine doesn't have iodine in it
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Anonymous 2016-05-16 11:48:39 Post No.8078237
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Anonymous 2016-05-16 11:48:39 Post No.8078237 [Report]
>>8077895
Neither does OP's picture. What's your point?
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Anonymous 2016-05-16 12:29:43 Post No.8078328
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Anonymous 2016-05-16 12:29:43 Post No.8078328 [Report]
File: Laughingwoman.jpg (28KB, 400x400px) Image search: [Google] [Yandex] [Bing]
Laughingwoman.jpg
28KB, 400x400px
>>8077650
>>8077895
clever
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Anonymous 2016-05-16 12:34:20 Post No.8078338
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Anonymous 2016-05-16 12:34:20 Post No.8078338 [Report]
>>8077681
>>8077650

That is oxidized Zirconium. You only write Zr if it describes the reduced one.
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Anonymous 2016-05-16 16:22:13 Post No.8078801
[Report]
Anonymous 2016-05-16 16:22:13 Post No.8078801 [Report]
>>8077623
It looks like a piece of paper printed with black ink.
Thread replies: 12
Thread images: 2
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