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Chlorine
moderator
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Pridružen/-a: 03.12. 2006, 07:53 Prispevkov: 390
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10 Dec 2006 15:33 |
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Brom
admin
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Pridružen/-a: 21.09. 2006, 13:32 Prispevkov: 454
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:D res fino zgleda
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10 Dec 2006 15:35 |
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Chlorine
moderator
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Pridružen/-a: 03.12. 2006, 07:53 Prispevkov: 390
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10 Dec 2006 15:36 |
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Chlorine
moderator
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Pridružen/-a: 03.12. 2006, 07:53 Prispevkov: 390
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V šoli smo pr učitljci vrgli kalij v 5% HCl, bil je res majhen košček, ma tisto čaša je bila prav vrela, tudi vodik je bilo ogromno.
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10 Dec 2006 15:38 |
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Brom
admin
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Pridružen/-a: 21.09. 2006, 13:32 Prispevkov: 454
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Samo z magnezijem v traku, pa se ni vžgalo. Drugič bom probal z Al prahom.
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10 Dec 2006 15:38 |
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Chlorine
moderator
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Pridružen/-a: 03.12. 2006, 07:53 Prispevkov: 390
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Ja samo, dej koncentrirano HCl, ker s kisom ne dela, je najbrž prešibka kislina.
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Naravoslovni portal |
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10 Dec 2006 15:48 |
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Brom
admin
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Pridružen/-a: 21.09. 2006, 13:32 Prispevkov: 454
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Ocetna kislina ne raztaplja aluminija, res je.
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10 Dec 2006 15:52 |
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Chlorine
moderator
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Pridružen/-a: 03.12. 2006, 07:53 Prispevkov: 390
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Mi smo delali tudi s kalijem in HCl v šoli, bilo je svinsko! 
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http://naravoslovje.org
Naravoslovni portal |
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10 Dec 2006 16:52 |
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Brom
admin
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Pridružen/-a: 21.09. 2006, 13:32 Prispevkov: 454
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Na internetu sem videl kako je nekdo je dal 1cm3 kocko natrija v 100ml 65% dušikove kisline. Nastala je najprej burna reakcija, potem se je vžgal vodik, na koncu je iz HNO3 izparela voda in je osatal samo še N2O5 in NaNO3, tedva pa sta oksidirala natrij, kar je povzročilo močno eksplozijo :D.
Nazadnje urejal/a Brom 10 Dec 2006 17:11; skupaj popravljeno 1 krat |
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10 Dec 2006 16:58 |
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Chlorine
moderator
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Pridružen/-a: 03.12. 2006, 07:53 Prispevkov: 390
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10 Dec 2006 17:00 |
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Brom
admin
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Pridružen/-a: 21.09. 2006, 13:32 Prispevkov: 454
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10 Dec 2006 17:07 |
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Brom
admin
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Pridružen/-a: 21.09. 2006, 13:32 Prispevkov: 454
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10 Dec 2006 17:08 |
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Chlorine
moderator
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Pridružen/-a: 03.12. 2006, 07:53 Prispevkov: 390
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10 Dec 2006 17:26 |
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Brom
admin
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Pridružen/-a: 21.09. 2006, 13:32 Prispevkov: 454
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To sm vidu že pred pol leta.
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10 Dec 2006 17:28 |
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Chlorine
moderator
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Pridružen/-a: 03.12. 2006, 07:53 Prispevkov: 390
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10 Dec 2006 17:29 |
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