Химия: ХИМИЯ SiO 2⇒ Si ⇒ Mg2Si ⇒ SiH4 ⇒ SiO2⇒ Na2SiO3 ⇒ H2Sio3

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25.02.2023 15:19

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ХИМИЯ
SiO 2⇒ Si ⇒ Mg2Si ⇒ SiH4 ⇒ SiO2⇒ Na2SiO3 ⇒ H2Sio3

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Васютка3333

Химия

4,8(15 оценок)

1) Si → SiO₂ → Na₂SiO₃ → H₂SiO₃ →SiO₂

Si+O₂+t°C = SiO₂

SiO₂+ 2NaOH= Na₂SiO₃+H₂O

Na₂SiO₃+H₂SO₄ = H₂SiO₃↓+Na₂SO₄

H₂SiO₃+t°C =SiO₂ +H₂O

2) Si → Mg₂Si → SiH₄ → SiO₂

Si+2Mg+t°C = Mg₂Si

Mg₂Si +4HCI=SiH₄↑+2MgCI₂

3) Si +2NaOH+H₂O= Na₂SiO₃+2H₂↑

05012008попович

Химия

4,5(81 оценок)

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