Chemie at Freie Universität Berlin

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Wasserstoffisotope

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Ca(OH)2 + CO2

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Hydrazin
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Partialladung

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Formalladung

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Ionenladung

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Reaktionsgleichung der hydrolyse von diboran
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Oxidationszahl

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NH4NO3 UND WÄRME 

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H2SO4 + NaCl

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Fluor technische Darstellung 
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Wieso muss Schmelze bei Fluor Darstellung wasserfrei sein

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Exemplary flashcards for Chemie at the Freie Universität Berlin on StudySmarter:

Chemie

Wasserstoffisotope
Protium, deuterium, tritium

Chemie

Ca(OH)2 + CO2
CaCO3 + h2o

Chemie

Hydrazin
N2H4

Chemie

Partialladung
Unterschiedliche ladung zweier bindungspartner (sigma + oder minus) treten durch polaire atombindungen auf

Chemie

Formalladung
Um Differenz zw positiver kernladung und und den diesem Atom zugeteilten e- anzugeben
Summe ergibt ionenladung bzw echte ladung des Moleküls  

Chemie

Ionenladung
Gibt an wie viele positive oder negative elektrische Ladungen ein ion besitzt

Chemie

Reaktionsgleichung der hydrolyse von diboran
B2H6 + 6H2O --> 2 B(OH)3 + 6 H2

Chemie

Oxidationszahl
 Gibt an wie viele elementladungen ein Atom innerhalb einer Verbindung formal aufgenommen bzw abgegeben hat
Hypothetische ionenladung und muss tatsächlicher ionenladung des Moleküls entsprechen
Positiv e-dichte gegenüber Normalzustand verringert
Negativ erhöht

Chemie

NH4NO3 UND WÄRME 
HNO3 + NH3

Chemie

H2SO4 + NaCl
HCl + Na2SO4

Chemie

Fluor technische Darstellung 
CaF2 (flussspat, fluorit) + H2SO4 reagiert Caso4 + 2 hf
HF/KF Mischung reagiert f2 + h2 225C
Fluorwasserstoff wird elektrochemisch zu Fluor oxidiert Elektrolysezelle F. Moissan
Kat.H an F
Erzeugtes Fluor enthält 10% HF, welches durch Kühlen auf - 100C gefolgt von trockenem NaF entfernt wird

Temperatur 70-130°

Chemie

Wieso muss Schmelze bei Fluor Darstellung wasserfrei sein
Sonst entsteht sauerstoff

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