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N2H4 + 2 MnO2 = N2 + 2 Mn(OH)2
Fe2(SO4)3 + HCl = FeCl3 + H2(SO4) =>
Fe2(SO4)3 + 6 HCl = 2 FeCl3 + 3 H2(SO4)
Pb(C2H3O2)2 + Na2(SO4) = Pb(SO4) + Na(C2H3O2) =>
Pb(C2H3O2)2 + Na2(SO4) = Pb(SO4) + 2 Na(C2H3O2)
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
Al(OH)3 + H3O{+} = Al(OH)2{+} + H2O =>
Al(OH)3 + H3O{+} = Al(OH)2{+} + 2 H2O
Fe(NO2)3 + H2SO4 = Fe2(SO4)3 + HNO2 =>
2 Fe(NO2)3 + 3 H2SO4 = Fe2(SO4)3 + 6 HNO2
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Fe(NO3)3 + NH3 + H2O = Fe(OH)3 + NH3(NO3) =>
3 Fe(NO3)3 + 7 NH3 + 6 H2O = 3 Fe(OH)3 + 8 NH3(NO3)
CaCO3(s) + NaNO3(aq) = Na2CO3(aq) + Ca(NO3)2(aq) =>
CaCO3(s) + 2 NaNO3(aq) = Na2CO3(aq) + Ca(NO3)2(aq)
K2[Fe(CN)6] + KI + ZnSO4 = Zn2[Fe(CN)6] + K2SO4 + I2 =>
K2[Fe(CN)6] + 2 KI + 2 ZnSO4 = Zn2[Fe(CN)6] + 2 K2SO4 + I2
Al2(CO3)3 + H3(PO4) = Al(PO4) + CO2 + H2O =>
Al2(CO3)3 + 2 H3(PO4) = 2 Al(PO4) + 3 CO2 + 3 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
KOH + Ni(No3)2 = Ni(OH)2 + KNo3 =>
2 KOH + Ni(No3)2 = Ni(OH)2 + 2 KNo3
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
C10H22(s) + O2 = CO2 + H2O =>
2 C10H22(s) + 31 O2 = 20 CO2 + 22 H2O
C + O3 = CO2 + O2 =>
C + 2 O3 = CO2 + 2 O2
BaSO4 + C = BaS + CO =>
BaSO4 + 4 C = BaS + 4 CO
CrO3 = Cr + O2 =>
2 CrO3 = 2 Cr + 3 O2
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
NaI + Cl2 + NaOH = NaIO4 + NaCl + H2O =>
NaI + 4 Cl2 + 8 NaOH = NaIO4 + 8 NaCl + 4 H2O
Pb(OH)2 + H2Cr2O7 = PbCr2O7 + H2O =>
Pb(OH)2 + H2Cr2O7 = PbCr2O7 + 2 H2O
Ga(HCO3)3 = Ga2O3 + CO2 + H2O =>
2 Ga(HCO3)3 = Ga2O3 + 6 CO2 + 3 H2O
FeCl3 + FeCl2 = Fe3Cl8 =>
2 FeCl3 + FeCl2 = Fe3Cl8
KBrO3 + HCl = Cl2 + KBr + H2O =>
KBrO3 + 6 HCl = 3 Cl2 + KBr + 3 H2O
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
C4H9Br + NaOH = C2H4 + NaBr + H2O =>
C4H9Br + NaOH = 2 C2H4 + NaBr + H2O
Cr2O3 + CH3COOH = Cr(CH3COO)3 + H2O =>
Cr2O3 + 6 CH3COOH = 2 Cr(CH3COO)3 + 3 H2O
KOH + BaSO4 = Ba(OH)2 + K2SO4 =>
2 KOH + BaSO4 = Ba(OH)2 + K2SO4
NaOH + Cl2 = NaClO + NaCl + H2O =>
2 NaOH + Cl2 = NaClO + NaCl + H2O
HC8H4O4 + (OH)2 = C8H4O4 + H2O =>
2 HC8H4O4 + (OH)2 = 2 C8H4O4 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
ZnSO4 + CH3COONa = (CH3COO)2Zn + Na2SO4 =>
ZnSO4 + 2 CH3COONa = (CH3COO)2Zn + Na2SO4
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
CrOHCl2 + HCl = CrCl3 + H2O =>
CrOHCl2 + HCl = CrCl3 + H2O
CaHS2 + HNO3 = CaSO4 + H2SO4 + NO2 + H2O =>
CaHS2 + 15 HNO3 = CaSO4 + H2SO4 + 15 NO2 + 7 H2O
KOH + Cu = CuOH + K =>
KOH + Cu = CuOH + K
CsBr = Cs + Br =>
CsBr = Cs + Br
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
K2Cr2O7 + Na2S + H2O = S + NaOH + KCrO2 =>
K2Cr2O7 + 3 Na2S + 3 H2O = 3 S + 6 NaOH + 2 KCrO2
GeH4 + O2 = GeO2 + H2O =>
GeH4 + 2 O2 = GeO2 + 2 H2O
H2O + Na = H2 + NaOH =>
2 H2O + 2 Na = H2 + 2 NaOH
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
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