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2 NiO + 2 SO2 = 2 NiS + 3 O2
KBr + Fe(SO4)3 = Br2 + K2SO4 + FeSO4 =>
4 KBr + Fe(SO4)3 = 2 Br2 + 2 K2SO4 + FeSO4
NH4OH + Pb(No3)2 = Pb(OH)2 + NH4No3 =>
2 NH4OH + Pb(No3)2 = Pb(OH)2 + 2 NH4No3
FeO + P2O5 = Fe(PO3)2 =>
FeO + P2O5 = Fe(PO3)2
Au2S3(aq) + H2(g) = Au(s) + H2S(g) =>
Au2S3(aq) + 3 H2(g) = 2 Au(s) + 3 H2S(g)
NaClO2 + Br2 + NaOH = NaBr + NaClO3 + H2O =>
NaClO2 + Br2 + 2 NaOH = 2 NaBr + NaClO3 + H2O
NaOH + K2CO3 = K2OH + NaCO3 =>
NaOH + K2CO3 = K2OH + NaCO3
Ag(s) + Br2(g) = AgBr2(s) =>
Ag(s) + Br2(g) = AgBr2(s)
C2H7NO2 + HCl = NH4Cl + H4C2O2 =>
C2H7NO2 + HCl = NH4Cl + H4C2O2
KNO2 + NH4Cl = KCl + NH4NO2 =>
KNO2 + NH4Cl = KCl + NH4NO2
NH4Cl(g) + KOH(s) = NH3(g) + H2O(g) + KCl(g) =>
NH4Cl(g) + KOH(s) = NH3(g) + H2O(g) + KCl(g)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2SO4 + H2O2 + Cu = CuSO4 + H2O =>
H2SO4 + H2O2 + Cu = CuSO4 + 2 H2O
Na2O + H2PO4 = H2O + Na2PO4 =>
Na2O + H2PO4 = H2O + Na2PO4
Cu + KNO3 + HCl = CuCl2 + NO + KCl + H2O =>
3 Cu + 2 KNO3 + 8 HCl = 3 CuCl2 + 2 NO + 2 KCl + 4 H2O
F2 + PbI2 = PbF4 + I2 =>
2 F2 + PbI2 = PbF4 + I2
AgCl + NH4OH = AgOH + HCl + NH3 =>
AgCl + NH4OH = AgOH + HCl + NH3
ZnSO4(aq) + (NH4)2S(aq) = (NH4)2SO4 + ZnS =>
ZnSO4(aq) + (NH4)2S(aq) = (NH4)2SO4 + ZnS
K4[Fe(CN)6] + KSCN = K5[Fe(CN)6] + SCN =>
K4[Fe(CN)6] + KSCN = K5[Fe(CN)6] + SCN
Al(OH)4{-} + H3O{+} = Al{3+} + H2O =>
Al(OH)4{-} + 4 H3O{+} = Al{3+} + 8 H2O
KOH + Al2(SO4)3 = K(SO4)3 + OHAl2 =>
KOH + Al2(SO4)3 = K(SO4)3 + OHAl2
N2O5 + CH4 = NO + CO2 + H2O =>
4 N2O5 + 3 CH4 = 8 NO + 3 CO2 + 6 H2O
Au + CuCl2 = AuCl3 + Cu =>
2 Au + 3 CuCl2 = 2 AuCl3 + 3 Cu
Bi(OH)3 + Sn(OH)4 = Bi + Sn(OH)6 =>
2 Bi(OH)3 + 3 Sn(OH)4 = 2 Bi + 3 Sn(OH)6
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NNH3 + O2 = NO + H2O =>
4 NNH3 + 7 O2 = 8 NO + 6 H2O
Na3VO4 + KI + H2SO4 = V2(SO4)3 + K2SO4 + Na2SO4 + I2 + H2O =>
2 Na3VO4 + 4 KI + 8 H2SO4 = V2(SO4)3 + 2 K2SO4 + 3 Na2SO4 + 2 I2 + 8 H2O
Zn(OH)2 + Al2(CO3)3 = ZnO + Al(OH)3 + CO2 =>
3 Zn(OH)2 + Al2(CO3)3 = 3 ZnO + 2 Al(OH)3 + 3 CO2
IO3{-} + I{-} + H2O = I2 + OH{-} =>
IO3{-} + 5 I{-} + 3 H2O = 3 I2 + 6 OH{-}
K + H2CO3 = H2CO3K =>
K + H2CO3 = H2CO3K
Au + NaCN + O + H2O = NaAu(CN)2 + NaOH =>
2 Au + 4 NaCN + O + H2O = 2 NaAu(CN)2 + 2 NaOH
Al(ClO4)3 = Al2O3 + Cl2 + O2 =>
4 Al(ClO4)3 = 2 Al2O3 + 6 Cl2 + 21 O2
NH4OH + NH4HSO4 = (NH4)2SO4 + H2O =>
NH4OH + NH4HSO4 = (NH4)2SO4 + H2O
BaO + HCl = BaClOH =>
BaO + HCl = BaClOH
CaSO4 + Fe(NO3) = Ca(NO3) + Fe(SO4) =>
CaSO4 + Fe(NO3) = Ca(NO3) + Fe(SO4)
Fe2O3(s) + Al(l) = Fe(l) + Al2O3(s) =>
Fe2O3(s) + 2 Al(l) = 2 Fe(l) + Al2O3(s)
Pb(NO2)2 + HgCl2 = PbCl2 + Hg(NO2)2 =>
Pb(NO2)2 + HgCl2 = PbCl2 + Hg(NO2)2
HCl + Ba(OH)2 = BaCl + HO + H =>
HCl + Ba(OH)2 = BaCl + 2 HO + H
NiSO4 + CaOH = Ni(OH)2 + Ca2SO4 =>
NiSO4 + 2 CaOH = Ni(OH)2 + Ca2SO4
Na2O2 + Na2CO3 + Cr2(SO4)3 = Na2CrO4 + Na2SO4 + CO2 =>
3 Na2O2 + 2 Na2CO3 + Cr2(SO4)3 = 2 Na2CrO4 + 3 Na2SO4 + 2 CO2
HNO3(aq) + Sn(s) = SnO2(s) + NO2(g) + H2O(l) =>
4 HNO3(aq) + Sn(s) = SnO2(s) + 4 NO2(g) + 2 H2O(l)
N2 + H2(g) = NH3 =>
N2 + 3 H2(g) = 2 NH3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Mn(NO3)2 + H2SO4 = Mn(SO4)2 + H2NO3 =>
Mn(NO3)2 + 2 H2SO4 = Mn(SO4)2 + 2 H2NO3
AgSCN + Zn + CH3COOH = Ag + Zn(CH3COO)2 + HSCN =>
2 AgSCN + Zn + 2 CH3COOH = 2 Ag + Zn(CH3COO)2 + 2 HSCN
FeO(s) + CO(s) = Fe(l) + CO2(g) =>
FeO(s) + CO(s) = Fe(l) + CO2(g)
SrCl2 + KIO3 = Sr(IO3)2 + KCl =>
SrCl2 + 2 KIO3 = Sr(IO3)2 + 2 KCl
Cs2S = Cs + S =>
Cs2S = 2 Cs + S
C + Na2CrO7 = Cr2O3 + Na2O + CO =>
9 C + 2 Na2CrO7 = Cr2O3 + 2 Na2O + 9 CO
HONH2 = OH + NH2 =>
HONH2 = OH + NH2
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