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danniekot
@danniekot
December 2021
2
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сделайте цепочку превращений пожалуйста, даю 80 баллов
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alinka7777777
.............................
0 votes
Thanks 1
informatikschop22sei
Verified answer
CuO + Fe0 = FeO + Cu
3Cu + 8
HNO3
= 3
Cu
(NO3)
2
+ 4
H2O
+ 2
N
O
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CuO+ H2O=Cu(OH)2
2H2O=2H2+O2
Fe2O3 + H2 = Fe + H2O
2Fe+ O2= 2FeO
H2O
+
NaOH
=
H2
+
NaOH
+
O
2
NaOH
+
H3PO4
=
Na3PO4
+
H2
O
Na3PO4
+
3
AgNO3
=
Ag3PO4
+
3
NaNO
3
1 votes
Thanks 1
danniekot
супер!!! СПАСИБО!!!
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Answers & Comments
Verified answer
CuO + Fe0 = FeO + Cu3Cu + 8HNO3 = 3Cu(NO3)2 + 4H2O + 2NO
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CuO+ H2O=Cu(OH)2
2H2O=2H2+O2
Fe2O3 + H2 = Fe + H2O
2Fe+ O2= 2FeO
H2O + NaOH =H2 + NaOH + O2
NaOH + H3PO4 = Na3PO4 + H2O
Na3PO4 + 3 AgNO3 = Ag3PO4 + 3 NaNO3