ACI Handschriftlich at TU Darmstadt

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Salzkristallisation (an Hydrdiden)

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Wie verhält sich die Stabilität der Wasserstoffverbindungen der Phosphat Gruppe ? 

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Was entsteht bei der Reaktion von MgB2 mit Salzsäure?

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Exemplary flashcards for ACI Handschriftlich at the TU Darmstadt on StudySmarter:

Was zeichnet Borane aus?

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Kleinster Vertreter der Borane?

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B2H6 Synthese

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Wie lautet die Regel von Wade?

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Bor-Sauerstoff-Verbindungen

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Wie kann Borsäure entwässert werden? Was entsteht dabei?

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Rotes Blutlaugensalz

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Berliner Blau

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Welche Struktur hat elementares Silicium?

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Exemplary flashcards for ACI Handschriftlich at the TU Darmstadt on StudySmarter:

ACI Handschriftlich

Salzkristallisation (an Hydrdiden)

CaH2 + 2 H2O -> Ca2+ + 2 H2 + 2 H2O

ACI Handschriftlich

Wie verhält sich die Stabilität der Wasserstoffverbindungen der Phosphat Gruppe ? 

Sie nimmt von P zu Bi immer weiter ab


BiH3 zerfällt sofort 

ACI Handschriftlich

Was entsteht bei der Reaktion von MgB2 mit Salzsäure?

MgB2 + HCl -> B2H6; B4H10; B5H11; B6H10; B10H4

ACI Handschriftlich

Was zeichnet Borane aus?

hochtoxisch, extrem reaktiv, luft- und feuchtigkeitsempfindlich

ACI Handschriftlich

Kleinster Vertreter der Borane?

B2H6

ACI Handschriftlich

B2H6 Synthese

1. 6 LiH + 8 BF3 -> 6 Li [BF4] + B2H6

2. 2 NaBH4 + H2SO4 -> B2H6 + 2 H2 + Na2SO4

ACI Handschriftlich

Wie lautet die Regel von Wade?

Die Molekülstruktur eines Borangerüstes wird durch die Zahl der Gerüst-Elektronen bestimmt. Die Zahl der Gerüst-Elektronen bestimmt dessen Geometrie.

Um stabil zu sein benötigen:

closo-Polyeder: 2n + 2e-

nido- Polyeder: 2n + 4e-

arachno-Polyeder: 2n + 6e-

ACI Handschriftlich

Bor-Sauerstoff-Verbindungen

Kernit: Na2[B4O6(OH)2]·3H2O 

Colemanit: Ca[B3O4(OH)3]·H2O

Borax: Na2[B4O5(OH)4]·8H2O 

Borsäure/ Orthoborsäure: H3BO3 


ACI Handschriftlich

Wie kann Borsäure entwässert werden? Was entsteht dabei?

H3BO3 ---90°C---> HBO2 ---500°C---> B2O3

ACI Handschriftlich

Rotes Blutlaugensalz

K3[Fe(CN)6]

ACI Handschriftlich

Berliner Blau

Fe4[Fe(CN)6]3 oder K[FeIIIFeII(CN)6]

ACI Handschriftlich

Welche Struktur hat elementares Silicium?

Diamanttyp (sp3-hybridisiert)

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Anorganische Chemie

AC1 Vorlesungsinhalt

Humanbio und Endwicklung

Analytik Praktikum Quali

Analytik Praktikum Quanti

Fachdidaktik Chemie

Biochemie

Makromolekulare Chemie

Allgemeine Chemie

Analytische chemie

Handel at

Europäische Fachhochschule Rhein/ Erft

ACI-Hofmann at

Universität Heidelberg

Rechtliche Handlungsfelder at

DIPLOMA Hochschule Nordhessen

Handel at

International School of Management

Schriftlich Tag 1 at

Hochschule München

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