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Information About

Silver Sulfide

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Properties


General

Name Silver sulfide
Chemical Formula Ag 2 S
Appearance Black cubic crystal


Physical

Formula Weight 247.8 Amu
Melting Point 1098 K (825 °C )
Boiling Point ? K (-? °C )
Solubility 8.5-15 G in 1L water


Thermochemistry

ΔfH0gas ? KJ / Mol
ΔfH0liquid ? kJ/mol
ΔfH0solid ? kJ/mol
S0gas, 1 Bar ? J/mol·K
S0liquid, 1 bar ? J/mol·K
S0solid ? J/mol·K


Safety

Ingestion ?
Inhalation May cause irritation
Skin May cause irritation
Eyes May cause irritation
More info {Link without Title}


SI units were used where possible. Unless otherwise stated, Standard conditions were used.

Disclaimer And References



Silver sulfide (or ''Silver sulphide'' in British English), Ag2S, is the Sulfide of Silver . It is black and constitutes the Tarnish that forms on silver when exposed to the Hydrogen Sulfide of the atmosphere.

When formed on Electrical Contacts operating in an atmosphere rich in hydrogen sulfide, it can form long filaments known as Silver Whiskers .