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Zn + 2 Co2I = 4 Co + ZnI2
AgNO2 + K3PO4 = Ag3PO4 + KNO2 =>
3 AgNO2 + K3PO4 = Ag3PO4 + 3 KNO2
CO2 + NaOH = NaHCO3 =>
CO2 + NaOH = NaHCO3
Cu2S + O = Cu2O + S2O =>
2 Cu2S + 3 O = 2 Cu2O + S2O
KOH + MgO = K2O + Mg(OH)2 =>
2 KOH + MgO = K2O + Mg(OH)2
Pb(SO4)2 = Pb + SO4 =>
Pb(SO4)2 = Pb + 2 SO4
As(OH)3 + H2X = As2(X)3 + H2O =>
2 As(OH)3 + 3 H2X = As2(X)3 + 6 H2O
NO2 + K4[Fe(CN)6] + CH3COOH = NO + K3[Fe(CN)6] + CH3COOK + H2O =>
NO2 + 2 K4[Fe(CN)6] + 2 CH3COOH = NO + 2 K3[Fe(CN)6] + 2 CH3COOK + H2O
Cr3 + IO3{-} + OH{-} = CrO42{-} + I{-} + H2O =>
2 Cr3 + 83 IO3{-} + 6 OH{-} = 6 CrO42{-} + 83 I{-} + 3 H2O
K(s) + Br2(l) = KBr(s) =>
2 K(s) + Br2(l) = 2 KBr(s)
PbS + HBr = PbBr + HS =>
PbS + HBr = PbBr + HS
KCl + NH4CO3 + Fe + Sb2S3 = NH4Cl + K2CO3 + SbCl3 + FeS =>
12 KCl + 6 NH4CO3 + 3 Fe + Sb2S3 = 6 NH4Cl + 6 K2CO3 + 2 SbCl3 + 3 FeS
MS + A = A3S2 + M4A5S2 =>
4 MS + 8 A = A3S2 + M4A5S2
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
K4[Fe(CN)6] + FeCl3 = KCl + Fe4[Fe(CN)6]3 =>
3 K4[Fe(CN)6] + 4 FeCl3 = 12 KCl + Fe4[Fe(CN)6]3
Na2SiO3(s) + NiSO4(s) = Ni2SiO3(s) + NaSO4(s) =>
Na2SiO3(s) + 2 NiSO4(s) = Ni2SiO3(s) + 2 NaSO4(s)
NiCl2 + Na2CO4 = NiCO4 + NaCl =>
NiCl2 + Na2CO4 = NiCO4 + 2 NaCl
Al + Ni(SO4) = Al(SO4) + Ni =>
Al + Ni(SO4) = Al(SO4) + Ni
Bl2O3 + NaClO + NaOH = NaBlO3 + NaCl + H2O =>
Bl2O3 + 2 NaClO + 2 NaOH = 2 NaBlO3 + 2 NaCl + H2O
B3N3H3Cl3 + NaBH4 = B3N3H6 + NaCl + B2H6 =>
2 B3N3H3Cl3 + 6 NaBH4 = 2 B3N3H6 + 6 NaCl + 3 B2H6
H2SO4 + CoO = CoSO4 + H2O =>
H2SO4 + CoO = CoSO4 + H2O
FeCl2 + HNO3 = Fe(NO3)2 + HCl =>
FeCl2 + 2 HNO3 = Fe(NO3)2 + 2 HCl
H3PO4 + (NH4)2MoO4 + HNO3 = NH4NO3 + (NH4)3H4[P(Mo2O7)6] + H2O =>
H3PO4 + 12(NH4)2MoO4 + 21 HNO3 = 21 NH4NO3 + (NH4)3H4[P(Mo2O7)6] + 10 H2O
LiSiO3 + HOH = LiOH + HSiO3 =>
LiSiO3 + HOH = LiOH + HSiO3
AuO + HCl = Au + Cl2 + H2O =>
AuO + 2 HCl = Au + Cl2 + H2O
NH4NO3 + BaCl2 = Ba(NO3)2 + NH4Cl =>
2 NH4NO3 + BaCl2 = Ba(NO3)2 + 2 NH4Cl
Ai + F2 = AiF3 =>
2 Ai + 3 F2 = 2 AiF3
WO2 + H2O = W(OH)4 =>
WO2 + 2 H2O = W(OH)4
SiO2 + Mg = Mg2Si + MgO =>
SiO2 + 4 Mg = Mg2Si + 2 MgO
H2SO3 + HClO = SO4 + Cl2 + H2O =>
H2SO3 + 4 HClO = SO4 + 2 Cl2 + 3 H2O
CaCl2 + KOH = K2[Ca(OH)4] + KCl =>
CaCl2 + 4 KOH = K2[Ca(OH)4] + 2 KCl
Ba(HCO3)2 + Ca(NO3)2 = CaCO3 + Ba(NO3)2 + HNO3 =>
Ba(HCO3)2 + 2 Ca(NO3)2 = 2 CaCO3 + Ba(NO3)2 + 2 HNO3
O2 + SnI4 = SnO2 + I2 =>
O2 + SnI4 = SnO2 + 2 I2
NH3 + H2O + Zn = Zn(OH)2 + NH4 =>
2 NH3 + 2 H2O + Zn = Zn(OH)2 + 2 NH4
CH3COOH + Al = Al(CH3CO2)3 + H2 =>
6 CH3COOH + 2 Al = 2 Al(CH3CO2)3 + 3 H2
Cr2O7{2+} + SO3{2-} + H{+} = Cr{3+} + SO4{2-} + H2O =>
Cr2O7{2+} + 5 SO3{2-} + 4 H{+} = 2 Cr{3+} + 5 SO4{2-} + 2 H2O
CHF3 + CCl4 = CHCl3 + CF4 =>
4 CHF3 + 3 CCl4 = 4 CHCl3 + 3 CF4
HSO3 + H2O = SO3 + H3O =>
HSO3 + H2O = SO3 + H3O
NaBr + MnO2 + H2SO4 = Na2SO4 + MnBr2 + H2O + Br2 =>
4 NaBr + MnO2 + 2 H2SO4 = 2 Na2SO4 + MnBr2 + 2 H2O + Br2
HPO3{2-} + e + H2O = H2PO2{-} + OH{-} =>
HPO3{2-} + 2e + 2 H2O = H2PO2{-} + 3 OH{-}
Hg + IO4 = Hg(IO4)2 =>
Hg + 2 IO4 = Hg(IO4)2
MnO2 + KNO2 + KOH = K2MnO4 + N2 + H2O =>
3 MnO2 + 2 KNO2 + 4 KOH = 3 K2MnO4 + N2 + 2 H2O
Sn + HNO3 = Sn(NO3)4 + NH3 + H2O =>
2 Sn + 9 HNO3 = 2 Sn(NO3)4 + NH3 + 3 H2O
NaAs2O3 + I2 + NaHCO3 = Na3AsO4 + NaI + CO2 + H2O =>
2 NaAs2O3 + 5 I2 + 20 NaHCO3 = 4 Na3AsO4 + 10 NaI + 20 CO2 + 10 H2O
P + S = PS2 =>
P + 2 S = PS2
Zn + Na(OH) + NaNO3 = Na2ZnO2 + H2O + NH3 =>
4 Zn + 7 Na(OH) + NaNO3 = 4 Na2ZnO2 + 2 H2O + NH3
C2H4O + Cl2 = C2H3ClO + HCl =>
C2H4O + Cl2 = C2H3ClO + HCl
H2SO + Zn = ZnSO + H2 =>
H2SO + Zn = ZnSO + H2
Mg(NO3)2 + NiCO3 = MgCO3 + Ni(NO3)2 =>
Mg(NO3)2 + NiCO3 = MgCO3 + Ni(NO3)2
Y + C = YC2 =>
Y + 2 C = YC2
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