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[Cu(NH3)4](OH)2 + Na2S = CuS + 2 NaOH + 4 NH3
K2O + AlP = K2P + AlO =>
K2O + AlP = K2P + AlO
Pb + Zn(NO3)2 = Pb(NO3) + Zn =>
2 Pb + Zn(NO3)2 = 2 Pb(NO3) + Zn
CH3COOH + Na2SO4 = CH3COONa + H2SO4 =>
2 CH3COOH + Na2SO4 = 2 CH3COONa + H2SO4
Cr3P4 + O2 = CrO2 + P4 =>
Cr3P4 + 3 O2 = 3 CrO2 + P4
CaCO3 + H{+} + SO4{2-} + H2O = CaSO4(H2O)2 + CO2 =>
CaCO3 + 2 H{+} + SO4{2-} + H2O = CaSO4(H2O)2 + CO2
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
Ag(s) + HNO3(l) = AgNO3 + H2O(l) + NO2 =>
Ag(s) + 2 HNO3(l) = AgNO3 + H2O(l) + NO2
NaOHH2O = NaH3O2 =>
NaOHH2O = NaH3O2
K4[Fe(CN)6] + K3[Fe(C2O4)3] = Fe4[Fe(CN)6]3 + K2C2O4 =>
3 K4[Fe(CN)6] + 4 K3[Fe(C2O4)3] = Fe4[Fe(CN)6]3 + 12 K2C2O4
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
PbSO4(aq) = Pb(aq) + SO4(aq) =>
PbSO4(aq) = Pb(aq) + SO4(aq)
Zn(NO3)2 + Mg = Mg(NO3)2 + Zn =>
Zn(NO3)2 + Mg = Mg(NO3)2 + Zn
Na + HIO3 = NaIO3 + H2 =>
2 Na + 2 HIO3 = 2 NaIO3 + H2
KMnO4 + C4H6O4 = K2CO3 + MnO2 + H2O + CO2 =>
14 KMnO4 + 3 C4H6O4 = 7 K2CO3 + 14 MnO2 + 9 H2O + 5 CO2
CH4O(l) + O2(g) = CO2(g) + H2O(l) =>
2 CH4O(l) + 3 O2(g) = 2 CO2(g) + 4 H2O(l)
HNO3 + HCl + Au = HAuCl4 + NO2 + H2O =>
3 HNO3 + 4 HCl + Au = HAuCl4 + 3 NO2 + 3 H2O
FeH2SO4 = FeSO4 + H2 =>
FeH2SO4 = FeSO4 + H2
C4H6O2NaOH = C4H5O2NaH2O =>
C4H6O2NaOH = C4H5O2NaH2O
Ca + MnO = CaO + Mn =>
Ca + MnO = CaO + Mn
Ca(MnO4)2 + Sn3N4 = Ca3N2 + Sn(MnO4)4 =>
6 Ca(MnO4)2 + Sn3N4 = 2 Ca3N2 + 3 Sn(MnO4)4
KOH + CH3COOH = K + H2O + CH3COO =>
KOH + CH3COOH = K + H2O + CH3COO
H3PO4 + Na1 = Na3PO4 + H =>
H3PO4 + 3 Na1 = Na3PO4 + 3 H
KHC2O4H2O + NaOH = KNaC2O4 + H2O =>
KHC2O4H2O + NaOH = KNaC2O4 + 2 H2O
NH3 + H2SO4 = NO2 + SO2 + H2O =>
2 NH3 + 7 H2SO4 = 2 NO2 + 7 SO2 + 10 H2O
KOH(aq) + (NH4)2SO4(aq) = (NH4)OH(s) + K2SO4(aq) =>
2 KOH(aq) + (NH4)2SO4(aq) = 2(NH4)OH(s) + K2SO4(aq)
KMnO4 + Fe(NO3)2 + HNO3 = Mn(NO3)2 + Fe(NO3)3 + KNO3 + H2O =>
KMnO4 + 5 Fe(NO3)2 + 8 HNO3 = Mn(NO3)2 + 5 Fe(NO3)3 + KNO3 + 4 H2O
NiSO4 + H2O = (NiOH)2SO4 + H2SO4 =>
2 NiSO4 + 2 H2O = (NiOH)2SO4 + H2SO4
K2Cr2O7 + H2S = Cr2S3 + H2O + K2S + S =>
K2Cr2O7 + 7 H2S = Cr2S3 + 7 H2O + K2S + 3 S
LiF + YF3 = LiYF4 =>
LiF + YF3 = LiYF4
SnO + HCl = SnCl2 + H2O =>
SnO + 2 HCl = SnCl2 + H2O
NaOH + Ca(OH)2 = Na2CaO2 + H2O =>
2 NaOH + Ca(OH)2 = Na2CaO2 + 2 H2O
Br{-} + Cr2O7{-} + H{+} = Cr{+2} + Br2 + H2O =>
18 Br{-} + 2 Cr2O7{-} + 28 H{+} = 4 Cr{+2} + 9 Br2 + 14 H2O
K2Cr2O7 + NH3 = N2 + KOH + H2O + Cr2O3 =>
K2Cr2O7 + 2 NH3 = N2 + 2 KOH + 2 H2O + Cr2O3
Zn + OH{-} = ZnO2{2-} + H2 =>
Zn + 2 OH{-} = ZnO2{2-} + H2
Ni(s) + HCl = NiCl2(aq) + H2(g) =>
Ni(s) + 2 HCl = NiCl2(aq) + H2(g)
S + CaO = CaS2O3 + CaS =>
4 S + 3 CaO = CaS2O3 + 2 CaS
S + Fe = Fe3S2 =>
2 S + 3 Fe = Fe3S2
NiCl2 + SiO2 = Ni2SiO4 + SiCl4 =>
2 NiCl2 + 2 SiO2 = Ni2SiO4 + SiCl4
CH3COOH + CH3COONa = CH3COO + HNa =>
CH3COOH + CH3COONa = 2 CH3COO + HNa
CaO + S = CaS + O =>
CaO + S = CaS + O
(CH3COO)2Pb + H2S = (CH3COO)2S + PbH2 =>
(CH3COO)2Pb + H2S = (CH3COO)2S + PbH2
(NH4)2S + HBr = H2S + NH4Br =>
(NH4)2S + 2 HBr = H2S + 2 NH4Br
Cr + Cu(No3)2 = Cr(No3)2 + Cu =>
Cr + Cu(No3)2 = Cr(No3)2 + Cu
Xe4 + F = XeF6 =>
Xe4 + 24 F = 4 XeF6
Mg(s) + Cu(NO3)2(aq) = Cu(s) + Mg(NO3)2(aq) =>
Mg(s) + Cu(NO3)2(aq) = Cu(s) + Mg(NO3)2(aq)
NO2 + CO2 + H2O = C2 + HNO3 =>
8 NO2 + 2 CO2 + 4 H2O = C2 + 8 HNO3
SO3CaCO3 = CaSO3CO3 =>
SO3CaCO3 = CaSO3CO3
NaOH + HNo3 = NaNo3H2O =>
NaOH + HNo3 = NaNo3H2O
Ar + O = Ar2O =>
2 Ar + O = Ar2O
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