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2 NiO + O = Ni2O3
FeSO3(s) + HCl(aq) = FeCl2 + SO2 + H2O =>
FeSO3(s) + 2 HCl(aq) = FeCl2 + SO2 + H2O
K2CrO4 + K2SO3 + KOH + H2O = K3[Cr(OH)6] + K2SO4 =>
2 K2CrO4 + 3 K2SO3 + 2 KOH + 5 H2O = 2 K3[Cr(OH)6] + 3 K2SO4
CaBr2(aq) + H2SO4(aq) = CaSO4(s) + HBr(g) =>
CaBr2(aq) + H2SO4(aq) = CaSO4(s) + 2 HBr(g)
FeSO4 + KI = FeI + KSO4 =>
FeSO4 + KI = FeI + KSO4
IO3{-}{+} + AsO3{3}{-}{+} = I{-}{+} + AsO4{3}{-}{+} =>
IO3{-}{+} + 3 AsO3{3}{-}{+} = I{-}{+} + 3 AsO4{3}{-}{+}
Zn + Cu(NO2) = Zn(NO2) + Cu =>
Zn + Cu(NO2) = Zn(NO2) + Cu
CaO(s) + H2SO4(aq) = CaSO4 + H2O =>
CaO(s) + H2SO4(aq) = CaSO4 + H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
CH3Br + H2S = CH3HS + HBr =>
CH3Br + H2S = CH3HS + HBr
Ni + V = Ni99V4 =>
99 Ni + 4 V = Ni99V4
F2 + HNO2 + H2O = HF + HNO3 =>
F2 + HNO2 + H2O = 2 HF + HNO3
Ra + H2SO4 = H2 + RaSO4 =>
Ra + H2SO4 = H2 + RaSO4
NO2{-} + H2O + I2 = NO3{-} + I{-} + H{+} =>
NO2{-} + H2O + I2 = NO3{-} + 2 I{-} + 2 H{+}
Zn + CoSO4 = Co + ZnSO4 =>
Zn + CoSO4 = Co + ZnSO4
NiO + CO2 = NiCO3 =>
NiO + CO2 = NiCO3
PbO + Cl2 + KOH = PbCl + KO2H =>
2 PbO + Cl2 + 2 KOH = 2 PbCl + 2 KO2H
Ag2S(s) + H2O = Ag(s) + H2S(g) + O2(g) =>
2 Ag2S(s) + 2 H2O = 4 Ag(s) + 2 H2S(g) + O2(g)
AgNO3 + Zn(NO3)2 = Ag(NO3)2 + Zn(NO3) =>
AgNO3 + Zn(NO3)2 = Ag(NO3)2 + Zn(NO3)
NH4Fe(SO4)2 + K4[Fe(CN)6] = NH4[Fe(CN)6] + K4Fe(SO4)2 =>
NH4Fe(SO4)2 + K4[Fe(CN)6] = NH4[Fe(CN)6] + K4Fe(SO4)2
Al(s) + Cu(ClO4)(aq) = Cu(s) + Al(ClO4)(aq) =>
Al(s) + Cu(ClO4)(aq) = Cu(s) + Al(ClO4)(aq)
Ni(ClO4)2 + H3PO4 = Ni3(PO4)2 + HClO4 =>
3 Ni(ClO4)2 + 2 H3PO4 = Ni3(PO4)2 + 6 HClO4
NH4OH(aq) + Al(NO3)3(aq) = NH4NO3(aq) + Al(OH)3(s) =>
3 NH4OH(aq) + Al(NO3)3(aq) = 3 NH4NO3(aq) + Al(OH)3(s)
Na2S2O3 + I2 = Na2S2 + I2O3 =>
Na2S2O3 + I2 = Na2S2 + I2O3
HBr + H2SO4 = H2O + SO2 + Br2 =>
2 HBr + H2SO4 = 2 H2O + SO2 + Br2
Cu(CN)2 + H2O = Cu(OH)2 + HCN =>
Cu(CN)2 + 2 H2O = Cu(OH)2 + 2 HCN
Fe(s) + CuSO4(l) = Fe2(SO4)3(l) + Cu(s) =>
2 Fe(s) + 3 CuSO4(l) = Fe2(SO4)3(l) + 3 Cu(s)
Br + H2SO4 = HBr + SO4 =>
2 Br + H2SO4 = 2 HBr + SO4
FeNiZn(OH)4(C4H5O)2H2O = Fe2O3 + NiO + ZnO + C + H + H2O =>
2 FeNiZn(OH)4(C4H5O)2H2O = Fe2O3 + 2 NiO + 2 ZnO + 16 C + 18 H + 7 H2O
Al3 + HgCl2 = AlHg + Cl2 =>
Al3 + 3 HgCl2 = 3 AlHg + 3 Cl2
NH4Br + BaCl2 = BrBa + NH4Cl2 =>
NH4Br + BaCl2 = BrBa + NH4Cl2
MnO2 + HBr = MnBr + Br2 + H2O =>
2 MnO2 + 8 HBr = 2 MnBr + 3 Br2 + 4 H2O
NH3(g) + O2(g) = H2(g) + N2O(g) =>
4 NH3(g) + O2(g) = 6 H2(g) + 2 N2O(g)
Ho + HCl = HoCl4 + H2 =>
Ho + 4 HCl = HoCl4 + 2 H2
PH3 + Cl2 = PCl3 + H2 =>
2 PH3 + 3 Cl2 = 2 PCl3 + 3 H2
Cu + NH3 + H2O = Cu(OH)2 + NH4 =>
Cu + 2 NH3 + 2 H2O = Cu(OH)2 + 2 NH4
Cu(NO3)2 = NO2 + CuO + O2 =>
2 Cu(NO3)2 = 4 NO2 + 2 CuO + O2
CaO2 + HCl = CaCl2O + H2O =>
CaO2 + 2 HCl = CaCl2O + H2O
Fe + K2CrO4 + H2SO4 = FeSO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 Fe + 2 K2CrO4 + 8 H2SO4 = 3 FeSO4 + 2 K2SO4 + Cr2(SO4)3 + 8 H2O
HS + Fe(OH) = FeS + H2O =>
HS + Fe(OH) = FeS + H2O
Co(OH)2 + Br2 + H2O = Co(OH)3 + HBr =>
2 Co(OH)2 + Br2 + 2 H2O = 2 Co(OH)3 + 2 HBr
Ba(OH)2 + HOOCCOOH = Ba(COO)2 + H2O =>
Ba(OH)2 + HOOCCOOH = Ba(COO)2 + 2 H2O
BaCl2*H2O + K2Cr2O7 = BaCrO4 + KCl + H2O + HCl =>
2 BaCl2*H2O + K2Cr2O7 = 2 BaCrO4 + 2 KCl + H2O + 2 HCl
ZnSO4 + Na2Se = Na2SO4 + ZnSe =>
ZnSO4 + Na2Se = Na2SO4 + ZnSe
CaF2 = Ca + F =>
CaF2 = Ca + 2 F
CH3COOH + HCl = CH2(Cl)COOH + H2 =>
CH3COOH + HCl = CH2(Cl)COOH + H2
Zn + HCl2 = ZnCl2 + H =>
Zn + HCl2 = ZnCl2 + H
CaF2 = Ca + F =>
CaF2 = Ca + 2 F
Y2O3 + NH4VO3 + Eu2O3 = NH4 + (YEu)VO4 + O2 =>
Y2O3 + 2 NH4VO3 + Eu2O3 = 2 NH4 + 2(YEu)VO4 + 2 O2
CsCl + Fe(No3)2 = FeClCs(No3)2 =>
CsCl + Fe(No3)2 = FeClCs(No3)2
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