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3 Cu2S + 2 NH3 = 6 Cu + 3 H2S + 2 N
Cu + CH3COOH + O2 = Cu{2+} + CH3COO{-} + H2O =>
2 Cu + 4 CH3COOH + O2 = 2 Cu{2+} + 4 CH3COO{-} + 2 H2O
Ca(OH)2 + BaO = CaO + Ba(OH)2 =>
Ca(OH)2 + BaO = CaO + Ba(OH)2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
HBr + Li2O = H2O + BrLi =>
2 HBr + Li2O = H2O + 2 BrLi
Sn + HNO3 = NH4NO3 + Sn2{+} + NO3{-} + H2O =>
16 Sn + 10 HNO3 = NH4NO3 + 8 Sn2{+} + 8 NO3{-} + 3 H2O
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
KSO3 + HCl = HSO3 + KCl =>
KSO3 + HCl = HSO3 + KCl
Fe(OH)3 = H2O + Fe2O3 =>
2 Fe(OH)3 = 3 H2O + Fe2O3
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Mg6Si4O10(OH)8 + H2SO4 = MgSO4 + Si(OH)4 + H2O =>
Mg6Si4O10(OH)8 + 6 H2SO4 = 6 MgSO4 + 4 Si(OH)4 + 2 H2O
Cu3O2 = Cu2O + CuO =>
Cu3O2 = Cu2O + CuO
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Na2B4O7*10H2O + HCl = B(OH)3 + NaCl + H2O =>
Na2B4O7*10H2O + 2 HCl = 4 B(OH)3 + 2 NaCl + 5 H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
AlNO + NaOH = Al(OH)3 + Na + NO =>
AlNO + 3 NaOH = Al(OH)3 + 3 Na + NO
Al + CuCI3 = AlCI3 + Cu =>
Al + CuCI3 = AlCI3 + Cu
KBiO3 + FeS + H2SO4 = Fe2(SO4)3 + K2SO4 + Bi2(SO4)3 + H2O =>
18 KBiO3 + 4 FeS + 38 H2SO4 = 2 Fe2(SO4)3 + 9 K2SO4 + 9 Bi2(SO4)3 + 38 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
CuO + O2 = CuO2 =>
2 CuO + O2 = 2 CuO2
NaCl3 = Cl2 + Na =>
2 NaCl3 = 3 Cl2 + 2 Na
Pb(C2H3O2)4 + NaOH = Na2[Pb(OH)6] + CH3COONa =>
Pb(C2H3O2)4 + 6 NaOH = Na2[Pb(OH)6] + 4 CH3COONa
Mg + SiO2 = Si + MgO =>
2 Mg + SiO2 = Si + 2 MgO
Na3PO3 + MnSO4 = Na3PO3MnSO4 =>
Na3PO3 + MnSO4 = Na3PO3MnSO4
Cu + AgNO2 = Cu(NO2) + Ag =>
Cu + AgNO2 = Cu(NO2) + Ag
K4Fe(CN)6 + CuSO4 = K2SO4 + Cu2(Fe(CN)6) =>
K4Fe(CN)6 + 2 CuSO4 = 2 K2SO4 + Cu2(Fe(CN)6)
Na + CI = NaCI =>
Na + CI = NaCI
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
FeS + NO2{-} + H{+} = Fe3{+} + SO32{-} + H2O + NO =>
3 FeS + 190 NO2{-} + 188 H{+} = Fe3{+} + 3 SO32{-} + 94 H2O + 190 NO
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
GaBr3 + Na2SO3 = Ga2(SO3)3 + NaBr =>
2 GaBr3 + 3 Na2SO3 = Ga2(SO3)3 + 6 NaBr
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
Ca + Br = Ca[Br] =>
Ca + Br = Ca[Br]
N2H4 + HCl = N2H5Cl =>
N2H4 + HCl = N2H5Cl
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
LiOH + FeCl2 = Fe(OH)2 + LiCl =>
2 LiOH + FeCl2 = Fe(OH)2 + 2 LiCl
Mg(NO3)2 + NaPo4 = MgPo4 + Na(NO3)2 =>
Mg(NO3)2 + NaPo4 = MgPo4 + Na(NO3)2
Fe(OH)2 + KMnO4 + KOH = K2MnO4 + Fe(OH)3 =>
Fe(OH)2 + KMnO4 + KOH = K2MnO4 + Fe(OH)3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
As + H2O = As2O3 + H =>
2 As + 3 H2O = As2O3 + 6 H
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Zn + K2CrO4 = K + ZnCrO4 =>
Zn + K2CrO4 = 2 K + ZnCrO4
Cu2O + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu2O + 14 HNO3 = 6 Cu(NO3)2 + 2 NO + 7 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KCl + CsOH = CsCl + KOH =>
KCl + CsOH = CsCl + KOH
Al + O3 = Al2O3 =>
2 Al + O3 = Al2O3
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