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Strontium silicide

Strontium silicide is a binary inorganic compound of strontium and silicon with the formula SrSi ₂ , white crystals.

Strontium silicide
General
Systematic name	Strontium silicide
Traditional names	Siliceous strontium
Chem. formula	Srsi ₂
Rat formula	Srsi ₂
Physical properties
condition	white crystals
Molar mass	143.79 g / mol
Thermal properties
Enthalpy of Education	-147 kJ / mol
Classification
Reg. CAS number	12138-28-2
Reg. EINECS number	235-248-0

Content

1 Receiving
2 Physical properties
3 Chemical properties
4 See also
5 Literature

Getting

Fusion of oxide or carbonate of strontium , silicon or silicon oxide with coal :

{\mathsf {SrO+2\ Si+C\ {\xrightarrow {>T^{o}C}}\ SrSi_{2}+CO}}

{\ displaystyle {\ mathsf {SrO + 2 \ Si + C \ {\ xrightarrow {> T ^ {o} C}} \ SrSi_ {2} + CO}}}

{\mathsf {SrCO_{3}+2\ SiO+3\ C\ {\xrightarrow {>T^{o}C}}\ SrSi_{2}+3\ CO+CO_{2}}}

{\ displaystyle {\ mathsf {SrCO_ {3} +2 \ SiO + 3 \ C \ {\ xrightarrow {> T ^ {o} C}} \ SrSi_ {2} +3 \ CO + CO_ {2}}}}

Physical Properties

Strontium silicide forms white crystals.

Chemical Properties

It is decomposed by water:

{\mathsf {SrSi_{2}+6\ H_{2}O\ {\xrightarrow {\ }}\ Sr(OH)_{2}+2\ SiO_{2}+5\ H_{2}}}

{\ displaystyle {\ mathsf {SrSi_ {2} +6 \ H_ {2} O \ {\ xrightarrow {\}} \ Sr (OH) _ {2} +2 \ SiO_ {2} +5 \ H_ {2} }}}

Reacts with mineral acids.

See also

Other strontium silicates are known:

SrSi - strontium monosilicide

Literature

Ripan R., Chetyanu I. Inorganic chemistry. Chemistry of metals. - M .: Mir, 1971. - T. 1. - 561 p.

Source - https://ru.wikipedia.org/w/index.php?title=Strontium_Silicide&oldid=100062691

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