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misisx07
@misisx07
July 2022
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осуществить ряд последовательных превращений PH3-H2O-H3PO4-Ca3(Po4)2-P-P2O5
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MurtazaAli
3PH₃+3NaOH→Na₃P+3H₂O
3H₂O+P₂O₅→2H₃PO₄
2H₃PO₄+3Ca(OH)₂→Ca₃(PO₄)₂+6H₂O
2Ca₃(PO₄)₂→4P+6CaO+5O₂
4P+5O₂→2P₂O₅
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ЯковПервый
1) 2РН3 + 4О2 = Р2О5 + 3Н2О
2) Р2О5 + 3Н2О = 2Н3РО4
3) 2Н3РО4 + 3Ca(OH)2 = Ca3(PO4)2 + 6H2O
4) Ca3(PO4)2 + 3SiO2 + 5C = 3CaSiO3 + 5CO + 2P
5) 4P + 5O2 = 2P2O5
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Answers & Comments
3H₂O+P₂O₅→2H₃PO₄
2H₃PO₄+3Ca(OH)₂→Ca₃(PO₄)₂+6H₂O
2Ca₃(PO₄)₂→4P+6CaO+5O₂
4P+5O₂→2P₂O₅
2) Р2О5 + 3Н2О = 2Н3РО4
3) 2Н3РО4 + 3Ca(OH)2 = Ca3(PO4)2 + 6H2O
4) Ca3(PO4)2 + 3SiO2 + 5C = 3CaSiO3 + 5CO + 2P
5) 4P + 5O2 = 2P2O5