<span>Изомером пропаналя является CH2=CH - CH2OH.</span>
1)2Na+2HOH=2NaOH+H2
2)NaOH+H3PO4=NaH2PO4+H2O
3)NaH2PO4+2NaOH=Na3PO4+2H2O
4)Na3PO4(тв.)+3H2SO4(КОНЦ.)=H3PO4+3NaHSO4
5)2H3PO4+3CA(OH)2=Ca3(PO4)2+6H2O
Ca3(PO4)2+5C+3SiO2=3CaSiO3+2P+5CO
4 P+5O2=2P2O5
<span><span>Na2SiO3 + Ca<span>(OH)</span>2 = CaSiO3↓ + 2NaOH
</span><span><span>Cr<span>(OH)</span>3 + 3NaOH = Na3CrO3 + 3H2O</span> <span>
</span></span><span>K2SiO3 + H2O = 2KOH + H2SiO3↓
</span></span><span><span><span>
Si + O2 = <span>SiO2</span></span> <span>
</span></span><span><span>SiO2</span> + 2KOH = <span>K2SiO3</span> + H2O
</span><span><span>K2SiO3</span> + CO2 = <span>SiO2</span> + K2CO<span>3</span></span></span>
Сh2-ch2=0
ona x jna =ona2=ona2
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