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IGORti
@IGORti
July 2022
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Помогите химия 7 кто первый тому лучший ответ (но правильно)
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Еlizabeth
1) CuO + H2 = Cu + H2O
2) MgCO3 = MgO + CO2
3) Ca + 2H2O = Ca(OH)2 + H2
4) 2HCl + Na2CO3 = 2NaCl + CO2 + H2O
5) ZnO + H2O = Zn(OH)2
6) Na2CO3 + CaCl2 = 2NaCl + CaCO3
7) 2Cu + O2 = 2CuO
8) CaO + H2O = Ca(OH)2
9) K + 2H2O = KOH + H2
10) не видно
11) 3H2SO4 + 2Al(OH)3 = Al2(SO4)3 + 6H2O
12) Hg + HCl = не идет
13) 2HgO (при температуре) = 2Hg + O2
14) Na2S + CuCl2 = 2NaCl + CuS
15) FeCl2 + NaOH = Fe(OH)2 + NaCl
16) CuO + H2O = Cu(OH)2
17) Hg + H2SO4 = не идет
18) Al2(SO4)3 + 6KOH = 2Al(OH)3 + 3K2SO4
19) CO2 + H2O = H2CO3
20) 3HCl + Fe(OH)3 = FeCl3 + 3H2O
21) P2O5 + 3CaO = Ca3(PO4)2
22) Pb(OH)2 = PbO + H2O
23) Ca + 2H2O = Ca(OH)2 + H2
24) Na2S + 2HCl = 2NaCl + H2S
25) Ca(OH)2 + 2HNO3 = Ca(NO3)2 + 2H2O
26) Hg + CuSO4 = не идет
27) FeCO3 = FeO + CO2
28) SiO2 + H2O = не идет
29) FeCl2 + 2NaOH = Fe(OH)2 + 2NaCl
30) CuO + H2 = Cu + H2O
31) 3H2SO4 + 2Al = Al2(SO4)3 + 3H2
1 votes
Thanks 1
Prikolist5221
CuO + H2 = Cu + H2O
MgCO3 = MgO + CO2
Ca + 2H2O = Ca(OH)2↓ + H2↑
Na2CO3 + 2HCl = 2NaCl + CO2↑ + H2O
ZnO + H2O
≠ реакция не идет
CaCl2 + Na2CO3 = CaCO3↓ + 2NaCl
2Cu + O2 = 2CuO
CaO + H2O = Ca(OH)2
2K + 2H2O = 2KOH + H2↑
WO3 + 3H2 = W + 3H2O
2Al(OH)3 + 3H2SO4 = Al2(SO4)3 + 6H2O
Hg + HCl ≠ реакция не идет
2HgO = 2Hg + O2
Na2S + CuCl2 = 2NaCl + CuS↓
FeCl2 + 2NaOH = Fe(OH)2↓ + 2NaCl
CuO + H2O ≠ реакция не идет
Hg + 2H2SO4 = HgSO4 + SO2↑ + H2O
Al2(SO4)3 + 6KOH = 2Al(OH)3↓ + 3K2SO4
CO2 + H2O = H2CO3
Fe(OH)3 + 3HCl = FeCl3 + 3H2O
P2O5 + 3CaО = Ca3(PO4)2
Pb(OH)2 = PbO + H2O
Ca + 2H2O = Ca(OH)2↓ + H2↑
Na2S + 2HCl = 2NaCl + H2S
2HNO3 + Ca(OH)2 = Ca(NO3)2 + 2H2O
Hg + CuSO4 ≠ реакция не идет
FeCO3 = FeO + CO2
SiO + H2O ≠ реакция не идет
FeCl2 + 2NaOH = Fe(OH)2↓ + 2NaCl
CuO + H2 = Cu + H2O
2Al + 3H2SO4 = Al2(SO4)3 + 3H2↑
0 votes
Thanks 1
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Answers & Comments
2) MgCO3 = MgO + CO2
3) Ca + 2H2O = Ca(OH)2 + H2
4) 2HCl + Na2CO3 = 2NaCl + CO2 + H2O
5) ZnO + H2O = Zn(OH)2
6) Na2CO3 + CaCl2 = 2NaCl + CaCO3
7) 2Cu + O2 = 2CuO
8) CaO + H2O = Ca(OH)2
9) K + 2H2O = KOH + H2
10) не видно
11) 3H2SO4 + 2Al(OH)3 = Al2(SO4)3 + 6H2O
12) Hg + HCl = не идет
13) 2HgO (при температуре) = 2Hg + O2
14) Na2S + CuCl2 = 2NaCl + CuS
15) FeCl2 + NaOH = Fe(OH)2 + NaCl
16) CuO + H2O = Cu(OH)2
17) Hg + H2SO4 = не идет
18) Al2(SO4)3 + 6KOH = 2Al(OH)3 + 3K2SO4
19) CO2 + H2O = H2CO3
20) 3HCl + Fe(OH)3 = FeCl3 + 3H2O
21) P2O5 + 3CaO = Ca3(PO4)2
22) Pb(OH)2 = PbO + H2O
23) Ca + 2H2O = Ca(OH)2 + H2
24) Na2S + 2HCl = 2NaCl + H2S
25) Ca(OH)2 + 2HNO3 = Ca(NO3)2 + 2H2O
26) Hg + CuSO4 = не идет
27) FeCO3 = FeO + CO2
28) SiO2 + H2O = не идет
29) FeCl2 + 2NaOH = Fe(OH)2 + 2NaCl
30) CuO + H2 = Cu + H2O
31) 3H2SO4 + 2Al = Al2(SO4)3 + 3H2
MgCO3 = MgO + CO2
Ca + 2H2O = Ca(OH)2↓ + H2↑
Na2CO3 + 2HCl = 2NaCl + CO2↑ + H2O
ZnO + H2O ≠ реакция не идет
CaCl2 + Na2CO3 = CaCO3↓ + 2NaCl
2Cu + O2 = 2CuO
CaO + H2O = Ca(OH)2
2K + 2H2O = 2KOH + H2↑
WO3 + 3H2 = W + 3H2O
2Al(OH)3 + 3H2SO4 = Al2(SO4)3 + 6H2O
Hg + HCl ≠ реакция не идет
2HgO = 2Hg + O2
Na2S + CuCl2 = 2NaCl + CuS↓
FeCl2 + 2NaOH = Fe(OH)2↓ + 2NaCl
CuO + H2O ≠ реакция не идет
Hg + 2H2SO4 = HgSO4 + SO2↑ + H2O
Al2(SO4)3 + 6KOH = 2Al(OH)3↓ + 3K2SO4
CO2 + H2O = H2CO3
Fe(OH)3 + 3HCl = FeCl3 + 3H2O
P2O5 + 3CaО = Ca3(PO4)2
Pb(OH)2 = PbO + H2O
Ca + 2H2O = Ca(OH)2↓ + H2↑
Na2S + 2HCl = 2NaCl + H2S
2HNO3 + Ca(OH)2 = Ca(NO3)2 + 2H2O
Hg + CuSO4 ≠ реакция не идет
FeCO3 = FeO + CO2
SiO + H2O ≠ реакция не идет
FeCl2 + 2NaOH = Fe(OH)2↓ + 2NaCl
CuO + H2 = Cu + H2O
2Al + 3H2SO4 = Al2(SO4)3 + 3H2↑