chalkogene at Universität des Saarlandes

Flashcards and summaries for chalkogene at the Universität des Saarlandes

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Study with flashcards and summaries for the course chalkogene at the Universität des Saarlandes

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Vorkommen Sauerstoff 

Exemplary flashcards for chalkogene at the Universität des Saarlandes on StudySmarter:

Vorkommen Selen und Tellur 

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Vorkommen Pollonium
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Exemplary flashcards for chalkogene at the Universität des Saarlandes on StudySmarter:

Wichtige Mineralien

Exemplary flashcards for chalkogene at the Universität des Saarlandes on StudySmarter:

Modifikationen Sauerstoff

Exemplary flashcards for chalkogene at the Universität des Saarlandes on StudySmarter:

Photodynamische Therapie

Exemplary flashcards for chalkogene at the Universität des Saarlandes on StudySmarter:

Ozon
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Exemplary flashcards for chalkogene at the Universität des Saarlandes on StudySmarter:

Ozonisator

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Destilliertes Wasser

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Entmilitarisiertes Wasser

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Wasserhärte
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Temporäre Härte

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Exemplary flashcards for chalkogene at the Universität des Saarlandes on StudySmarter:

chalkogene

Vorkommen Sauerstoff 
häufigstes Element der Erdkruste

chalkogene

Vorkommen Selen und Tellur 
In sulfidischen Erzen

chalkogene

Vorkommen Pollonium
In der Natur nur in geringsten Spuren in Thorium oder Uranerzen sowie in der Pechblende als Zwischenprodukt der Uran Radium Zerfallsreihe 

chalkogene

Wichtige Mineralien
Zinkblende ZnS
Gips CaSO4 * 2H2O
Pyrit FeS2
Bleiglanz PbS

chalkogene

Modifikationen Sauerstoff
Triplett stabil
Singulett kurzlebig reaktionsfähiger

chalkogene

Photodynamische Therapie
Gewinnung aus Triplett mit Photosensitizern wie Riboflavin
Therapie singulett

chalkogene

Ozon
Entsteht nach einem Gewitter
Gewinkelte Moleküle
Verwendung: Entkeimung Trinkwasser

chalkogene

Ozonisator
Bildung: Einwirkung stiller elektrischer Entladungen auf Sauerstoff
0,5 O2–> O
O +O2–> O3
3/2 O–> O3

chalkogene

Destilliertes Wasser
Gewinnung durch Destillation von normalem Leitungswasser, weitgehend frei vom Salzen, organischen Stoffen und Mikroorganismen
Verwendung als Lösemittel

chalkogene

Entmilitarisiertes Wasser
Reinigung über Ionentauscher

chalkogene

Wasserhärte
Gehalt an Ca2+ und Mg2+
Angabe in mmol/l Erdalkaliionen

chalkogene

Temporäre Härte
Carbonathärte
HCO3- Bestimmung über Titration des Wassers mit einer Säure
Beseitigung durch erhitzen
Entkalken mit Zitronensäure C6 H8O7

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Exogene Prozesse

Endogene Prozesse

DB Chapter 7: Spermatogenesis

crime scene

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