Question

KMnO4>O2>SiO2>K2SiO3>H2SiO3 СРОЧНО ​

Answer 1

Ответ:

2KMnO4 → K2MnO4 + MnO2 + O2

Si + O2 → SiO2

SiO2 + K2CO3 → K2SiO3 + CO2

K2SiO3 + 2HNO3 → 2KNO3 + H2SiO3

Объяснение:

Answer 2

It looks like you've listed some chemical compounds in a sequence, but you haven't provided any context or question. If you have a specific question or if you'd like an explanation or information about these compounds, please provide more details, and I'll be happy to help.