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2 HI + K2O = 2 KI + H2O
Na2S = Na + S =>
Na2S = 2 Na + S
KHCO3 + H2S = K2S + H2O + CO2 =>
2 KHCO3 + H2S = K2S + 2 H2O + 2 CO2
NaHCO3 + K3PO4 = K3CO3 + NaHPO4 =>
NaHCO3 + K3PO4 = K3CO3 + NaHPO4
Cr2O3 + H2 = H2O + CrO =>
Cr2O3 + H2 = H2O + 2 CrO
NaHCO3 + CH3COOH = CO2 + H2O + H3CONa =>
4 NaHCO3 + 3 CH3COOH = 6 CO2 + 2 H2O + 4 H3CONa
H2O + Cr2O3 + NaOH = Na3[Cr(OH)6] =>
3 H2O + Cr2O3 + 6 NaOH = 2 Na3[Cr(OH)6]
H3PO2 + Ca(OH)2 = H2O + Ca(HPO2) =>
H3PO2 + Ca(OH)2 = 2 H2O + Ca(HPO2)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaH + HF = NaF + H =>
NaH + HF = NaF + 2 H
Fr2O + H2SO4 = Fr2SO4 + H2O =>
Fr2O + H2SO4 = Fr2SO4 + H2O
K4FeO4 + H2SO4 = Fe2(SO4)3 + O2 + K2SO4 + H2O =>
4 K4FeO4 + 14 H2SO4 = 2 Fe2(SO4)3 + O2 + 8 K2SO4 + 14 H2O
NO2{-} + HCl = NOCl{-} + Cl2 + H2O =>
2 NO2{-} + 4 HCl = 2 NOCl{-} + Cl2 + 2 H2O
NaOH + Co3(No3)2 = NaNo3 + Co3(OH)2 =>
2 NaOH + Co3(No3)2 = 2 NaNo3 + Co3(OH)2
Br2 + NaI = Na + BrI2 =>
Br2 + 4 NaI = 4 Na + 2 BrI2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
HF + Sn = H2 + SnF2 =>
2 HF + Sn = H2 + SnF2
F + AlO2 = AlF3 + O =>
3 F + AlO2 = AlF3 + 2 O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ne2 + Xe2 = Ne2Xe2 =>
Ne2 + Xe2 = Ne2Xe2
NaS + CdSO4 = CdS + NaSO4 =>
NaS + CdSO4 = CdS + NaSO4
KNO2 + O2 = K2O + NO2 =>
4 KNO2 + O2 = 2 K2O + 4 NO2
C + H2SO3 = H2S + CO2 =>
3 C + 2 H2SO3 = 2 H2S + 3 CO2
Na2S + Cl2 + H2O = Na2SO4 + HCl =>
Na2S + 4 Cl2 + 4 H2O = Na2SO4 + 8 HCl
Mg + LiCl = LiMg + Cl =>
Mg + LiCl = LiMg + Cl
ClF5 + U = UF6 + ClF =>
3 ClF5 + 2 U = 2 UF6 + 3 ClF
CoS + O = Co + SO =>
CoS + O = Co + SO
NH4Cl + K2(HgI4) + KOH = Hg2NI*H2O + KI + KCl + H2O =>
NH4Cl + 2 K2(HgI4) + 4 KOH = Hg2NI*H2O + 7 KI + KCl + 3 H2O
Zn + BaCl2 = ZnBaCl2 =>
Zn + BaCl2 = ZnBaCl2
Zn(NO3)2 + AgCl = ZnCl2 + AgNO3 =>
Zn(NO3)2 + 2 AgCl = ZnCl2 + 2 AgNO3
K2Cr2O7 + HCl = KCl + Cl2 + H2O + CrCl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 4 Cl2 + 7 H2O + 2 CrCl2
Li + OH = LiOH =>
Li + OH = LiOH
Fe + AgNO3 = Fe(NO3)2 + Ag =>
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
CoBr3 + Ag(NO3) = AgBr + Co(NO3)3 =>
CoBr3 + 3 Ag(NO3) = 3 AgBr + Co(NO3)3
Ar + O2 = ArO =>
2 Ar + O2 = 2 ArO
Zn(OH)2 + Br(OH)2 = Br[Zn(OH)4] =>
Zn(OH)2 + Br(OH)2 = Br[Zn(OH)4]
P2 + H2O = PH3 + H3PO4 =>
4 P2 + 12 H2O = 5 PH3 + 3 H3PO4
Ca(OH)2 + CaCl2 = CaO + HCl =>
Ca(OH)2 + CaCl2 = 2 CaO + 2 HCl
K + HNO3 = KNO3 + N2 + H2O =>
10 K + 12 HNO3 = 10 KNO3 + N2 + 6 H2O
Cl2 + HNO3 = HClO3 + NO + H2O =>
3 Cl2 + 10 HNO3 = 6 HClO3 + 10 NO + 2 H2O
CH8H18 + O2 = CO2 + H2O =>
2 CH8H18 + 15 O2 = 2 CO2 + 26 H2O
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
C4H9Cl + Br2 = C4H9Br + Cl2 =>
2 C4H9Cl + Br2 = 2 C4H9Br + Cl2
MgCO3 + CH3COOH = CH3COOMg + CO2 + H2O =>
8 MgCO3 + 9 CH3COOH = 8 CH3COOMg + 10 CO2 + 6 H2O
IO3{-} + S2O3{2-} + H{+} = SO2 + I2 + H2O =>
4 IO3{-} + 5 S2O3{2-} + 14 H{+} = 10 SO2 + 2 I2 + 7 H2O
Ca(NO3)2 + PbCO3 = CaCO3 + Pb(NO3)2 =>
Ca(NO3)2 + PbCO3 = CaCO3 + Pb(NO3)2
H2SO3 = S + O2 + H2 =>
2 H2SO3 = 2 S + 3 O2 + 2 H2
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