reagent Ag2S
(No.2)
Reaction
Phase transition
Ag2S
Reagent
Rare Metallic Ag2S powder (3N 325mesh)
Weight
102mg
Container
SiO2 glass ampoule
Comment
Phase transition of Ag2S
Figure shows the first heating and cooling processes.
On heating:α→β Ag2S at 188℃, 16.3J/g On cooling:β→α Ag2S at 165℃, -15.9J/g
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