 Runaway
Descrição do Vídeo:
whiskey river band performs at the vv reunion
Data: November 22, 2008
Palavras Relacionados: Vince Vance Valiants
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4-8-4
Descrição do Vídeo:
Consider the reaction: N2 + 3 H2 = 2 NH3 How much
hydrogen is needed to produce 25.0 g of NH3?
A. 2.22 g, B. 4.44 g, C. 1.97 g
Data: November 20, 2008
Palavras Relacionados: chemistry moles
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4-8-3
Descrição do Vídeo:
Consider the reaction: N2 + 3 H2 = 2 NH3 Suppose
0.500 mol of N2 is used up in this reaction. How much
NH3 is produced?
A. 4.26 g, B. 8.50 g, C. 17.0 g
Data: November 20, 2008
Palavras Relacionados: chemistry mole
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4-9-1
Descrição do Vídeo:
Consider the reaction: N2 + 3 H2 = 2 NH3 What is the
theoretical yield of NH3 from a mixture of 2.00 mol N2
and 3.00 mol H2?
A. 0.500 mol, B. 1.00 mol, C. 2.00 mol, D. 4.00
mol
Data: November 20, 2008
Palavras Relacionados: chemistry mole
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4-8-1
Descrição do Vídeo:
Consider the reaction: N2 + 3 H2 = 2 NH3 How much
NH3 is produced if 0.200 mol H2 is consumed?
A. 0.133 mol, B. 0.300 mol, C. 2.00 mol
Data: November 17, 2008
Palavras Relacionados: chemistry mole
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Do wiadczenie "Kolory T czy"
Descrição do Vídeo:
Do?wiadczenie mojego pomys?u.
Potrzebne:
Amoniak 25% NH3
Azotan Kobaltu Co(NO3)2
Woda
Wkraplacz lub strzykawka
Próbówka
Najpierw zacznijmy od sporz?dzenia r-ru azotanu kobaltu.
Do 2 ml
wody dodajemy kryszta?ek o wielko?ci oko?o 1mm3 lub
krople nasyconego r-ru. Ciecz powinna przybra? blado
ró?owy kolor. Teraz najlepsze, nabieramy 5 ml amoniaku i
dodajemy po kropli. Ciecz powinna zmieni? barw? najpierw
z ró?owej przez niebiesk?, zielon? i ?ó?t? do
pomara?czowej. Polecam sam ju? wykona?em par? razy :D
Data: October 30, 2008
Palavras Relacionados: reakcja brainiac.pl do?wiadczenia amoniak azotan myrol chloran potasu wybuch rakieta rakiety siarka HMTD
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