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H2S + 2 H2O = 3 H2 + SO2
NaOH + H3PO3 = Na3PO4 + H2O + H =>
3 NaOH + H3PO3 = Na3PO4 + 2 H2O + 2 H
Na3Po4 + CuCl2 = Cu3(Po4)2 + NaCl =>
2 Na3Po4 + 3 CuCl2 = Cu3(Po4)2 + 6 NaCl
HBr + Cr2(CO3)3 = H2CO3 + CrBr3 =>
6 HBr + Cr2(CO3)3 = 3 H2CO3 + 2 CrBr3
H3PO3 + Al(OH)3 = Al(PO3) + H2O =>
H3PO3 + Al(OH)3 = Al(PO3) + 3 H2O
Ba(HSO3)2 + NaOH = BaSO3 + Na2SO3 + H2O =>
Ba(HSO3)2 + 2 NaOH = BaSO3 + Na2SO3 + 2 H2O
CeO2 + Pr6O11 + O2 = Ce99PrO200 =>
1188 CeO2 + 2 Pr6O11 + O2 = 12 Ce99PrO200
KI + KNO3 = K2NO3 + I =>
KI + KNO3 = K2NO3 + I
Na2SO4 + CH3COOH = Na(CH3COO) + H2SO4 =>
Na2SO4 + 2 CH3COOH = 2 Na(CH3COO) + H2SO4
Co2Cl + (NH4)2S = Co2S + (NH4)2Cl =>
Co2Cl + (NH4)2S = Co2S + (NH4)2Cl
Y + H = YH =>
Y + H = YH
Mg + Cu(SO4)2 = Mg(SO4) + Cu2 =>
4 Mg + 2 Cu(SO4)2 = 4 Mg(SO4) + Cu2
MnO2 + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2 + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
HCl + O2 = H2O + Cl =>
4 HCl + O2 = 2 H2O + 4 Cl
HNO3(aq) + Na3PO4(aq) = H3PO4 + NaNO3 =>
3 HNO3(aq) + Na3PO4(aq) = H3PO4 + 3 NaNO3
C14H12O1 + O2 = CO2 + H2O =>
2 C14H12O1 + 33 O2 = 28 CO2 + 12 H2O
Mg(s) + FeCl3 = MgCl2 + Fe3 =>
9 Mg(s) + 6 FeCl3 = 9 MgCl2 + 2 Fe3
C3H7OH + K2Cr2O7 + H2SO4 = CH3COCH3 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C3H7OH + K2Cr2O7 + 4 H2SO4 = 3 CH3COCH3 + Cr2(SO4)3 + K2SO4 + 7 H2O
NH4BrHNO3 = HBrNH4NO3 =>
NH4BrHNO3 = HBrNH4NO3
NaIO3 + NaAsO2 + NaOH = NaI + Na3AsO4 + H2O =>
NaIO3 + 3 NaAsO2 + 6 NaOH = NaI + 3 Na3AsO4 + 3 H2O
KOH + FeSO4 = KSO4 + FeOH =>
KOH + FeSO4 = KSO4 + FeOH
C3H2F4 + O2 = COF2 + HF + CO2 =>
2 C3H2F4 + 5 O2 = 2 COF2 + 4 HF + 4 CO2
CHCl3 + KOH + CH3NH2 = CH3NC + KCl + H2O =>
CHCl3 + 3 KOH + CH3NH2 = CH3NC + 3 KCl + 3 H2O
H2S + CI = HCI + S =>
H2S + 2 CI = 2 HCI + S
MgSO4 + Sr(OH)2 = Mg(OH)2 + Sr(SO4) =>
MgSO4 + Sr(OH)2 = Mg(OH)2 + Sr(SO4)
H2 + I2 = H2I =>
2 H2 + I2 = 2 H2I
HCl2 + CaOH = CaCl2 + H2O =>
HCl2 + CaOH = CaCl2 + H2O
PbNO4 + KI = PbI2 + K2NO4 =>
PbNO4 + 2 KI = PbI2 + K2NO4
LiI + BaS = Li2S + BaI2 =>
2 LiI + BaS = Li2S + BaI2
C(g) + H2(g) = C2H4(g) =>
2 C(g) + 2 H2(g) = C2H4(g)
Fe(NO3)3 = Fe3O4 + N2 + O2 =>
6 Fe(NO3)3 = 2 Fe3O4 + 9 N2 + 23 O2
MnO2 + KI + H2O = Mn(OH)2 + I2 + KOH =>
MnO2 + 2 KI + 2 H2O = Mn(OH)2 + I2 + 2 KOH
CoO = Co + O2 =>
2 CoO = 2 Co + O2
Zn + CuSO4 + H2O = ZnCuSO4H2O =>
Zn + CuSO4 + H2O = ZnCuSO4H2O
Sr(NO3)2 + Na2CrO4 = SrCrO4 + NaNO3 =>
Sr(NO3)2 + Na2CrO4 = SrCrO4 + 2 NaNO3
H2SO4 + CuBr = CuBr2 + CuSO4 + SO2 + H2O =>
2 H2SO4 + 2 CuBr = CuBr2 + CuSO4 + SO2 + 2 H2O
HCl + NO2 = H2O + NO + Cl2 =>
2 HCl + NO2 = H2O + NO + Cl2
Mn + CoCl2 = Co + MnCl3 =>
2 Mn + 3 CoCl2 = 3 Co + 2 MnCl3
H2O + Se + Cd{+2} = Cd{+} + SeO3{-2} + H{+} =>
3 H2O + Se + 4 Cd{+2} = 4 Cd{+} + SeO3{-2} + 6 H{+}
(NH4)2S(aq) + ZnCl2(aq) = NH4Cl + ZnS =>
(NH4)2S(aq) + ZnCl2(aq) = 2 NH4Cl + ZnS
K + HCl = KCl2 + H2 =>
K + 2 HCl = KCl2 + H2
ClC6H4COOH + O2 = CO2 + H2O + HCl =>
ClC6H4COOH + 7 O2 = 7 CO2 + 2 H2O + HCl
ZrI4 = Zr + I =>
ZrI4 = Zr + 4 I
P + H2SO4 = P2O3 + H2O + SO2 =>
2 P + 3 H2SO4 = P2O3 + 3 H2O + 3 SO2
C15H24O9 + O2 = CO2 + H2O =>
2 C15H24O9 + 33 O2 = 30 CO2 + 24 H2O
SO + H2O = H2S2O3 =>
2 SO + H2O = H2S2O3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Ca + CuNO3 = Ca(NO3)2 + Cu =>
Ca + 2 CuNO3 = Ca(NO3)2 + 2 Cu
As + Br2 = AsBr =>
2 As + Br2 = 2 AsBr
H3BO3 + NaOH = Na2HBO3 + H2O =>
H3BO3 + 2 NaOH = Na2HBO3 + 2 H2O
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