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Фольк246
@Фольк246
August 2021
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Решите, пожалуйста все пункты
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olhim
Verified answer
А) Ca3P2 + 6
HCl
= 3CaCl2 + 2PH
3
2PH3 + 4O2 =
P
2O5 + 3H2
O
P2O5 + 6
NaOH
= 2Na3PO4 + 3H2O
б) FeO + CO = Fe + CO2
Fe + 2
HCl
=
FeCl
2 +
H
2
FeCl2 + 2
NaOH
=
Fe(OH)
2 + 2
NaCl
4Fe(OH)2 +
O
2 + 2H2
O
= 4Fe(OH)3
в) Na2
O
+ 2
HBr
= 2
NaBr
+
H
2
O
2
NaBr
+
Cl
2 = 2
NaCl
+
Br
2
NaCl +
AgNO
3 =
NaNO
3 +
AgCl
г) C + O2 = CO2
CO2 + 2
NaOH
=
Na
2CO3 +
H
2
O
Na2CO3 + 2HNO3 = 2NaNO3 +
H
2
O
+
CO
2
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Answers & Comments
Verified answer
А) Ca3P2 + 6HCl = 3CaCl2 + 2PH32PH3 + 4O2 = P2O5 + 3H2O
P2O5 + 6NaOH = 2Na3PO4 + 3H2O
б) FeO + CO = Fe + CO2
Fe + 2HCl = FeCl2 + H2
FeCl2 + 2NaOH = Fe(OH)2 + 2NaCl
4Fe(OH)2 + O2 + 2H2O = 4Fe(OH)3
в) Na2O + 2HBr = 2NaBr + H2O
2NaBr + Cl2 = 2NaCl + Br2
NaCl + AgNO3 = NaNO3 + AgCl
г) C + O2 = CO2
CO2 + 2NaOH = Na2CO3 + H2O
Na2CO3 + 2HNO3 = 2NaNO3 + H2O + CO2