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Raios Em Um Tubo De Ensaio
Added 11-Aug-08
Rated 3.04 | 311 Views | 0 Comments
Nesse experimento, adicionamos
H2SO4(ácido sulfúrico) a um tubo de
ensaio, cuidadosamente deposita-se uma
camada de alcool(ethanol) acima do
ácido, en...
Submitted by: Joauml
01:15
Redução Do Fe2O3
Added 11-Aug-08
Rated 2.20 | 68 Views | 0 Comments
Redução do Fe2O3, processo utilizado
nas industrias para obter ferro.
2Fe2O3 + 3C = 3CO2 + 4Fe
Making iron
Submitted by: Joauml
02:00
Perchloric Acid and Cu (HClO4...
Added 11-Aug-08
Rated 1.00 | 296 Views | 0 Comments
Demonstração de Ácido
Perclórico(HClO4) corroendo o
Cobre(Cu)e do calor liberado pela
reação fazendo com que ela proceda
mais rap
Submitted by: Joauml
00:55
Vulcão Dicromato De Amonio/...
Added 11-Aug-08
Rated 3.78 | 2,918 Views | 0 Comments
a volcano made by ammonium dichromate
Vulcão feito com dicromato de amonio
Submitted by: Joauml
01:04
