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2 N23I2 = 23 N2 + 4 I
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Al2 + (SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2 + (SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
As2O3(s) + C(s) = CO + As(s) =>
As2O3(s) + 3 C(s) = 3 CO + 2 As(s)
AgNo3 + YCl = AgCl + YNo3 =>
AgNo3 + YCl = AgCl + YNo3
NaHCO3 + Fe(OH)3 = Fe + NaCO3 + H2O =>
3 NaHCO3 + Fe(OH)3 = Fe + 3 NaCO3 + 3 H2O
CaS + CuSO4 = CaSO4 + SCu =>
CaS + CuSO4 = CaSO4 + SCu
CH2O + KMnO4 = CH2O2 + KMn =>
4 CH2O + KMnO4 = 4 CH2O2 + KMn
KNO3 + Cl = KCl + NO3 =>
KNO3 + Cl = KCl + NO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaNO2 + H3NSO3 = NaHSO4 + N2 + H2O =>
NaNO2 + H3NSO3 = NaHSO4 + N2 + H2O
C8H7NO3 + NaBH4 + H2O = C8H9NO3 + NaB(OH)3 =>
7 C8H7NO3 + 2 NaBH4 + 6 H2O = 7 C8H9NO3 + 2 NaB(OH)3
NaCo3 + HSO4 = NaSO4 + HCo3 =>
NaCo3 + HSO4 = NaSO4 + HCo3
KNO3 + C6H12O6 = K2CO3 + N2 + H2O + CO =>
6 KNO3 + 2 C6H12O6 = 3 K2CO3 + 3 N2 + 12 H2O + 9 CO
Ce(OH)4 + HCl = Cl2 + CeCl3 + H2O =>
2 Ce(OH)4 + 8 HCl = Cl2 + 2 CeCl3 + 8 H2O
I2 + Na3AsO3 + H2O = H3AsO4 + NaOH + NaI =>
I2 + Na3AsO3 + 2 H2O = H3AsO4 + NaOH + 2 NaI
AgOH(s) + HCl(aq) = AgCl(s) + H2O(l) =>
AgOH(s) + HCl(aq) = AgCl(s) + H2O(l)
AgI + H2SO4 + Zn = Ag + HI + ZnSO4 =>
2 AgI + H2SO4 + Zn = 2 Ag + 2 HI + ZnSO4
HCONH2 + HCl = HCOCl + NH3 =>
HCONH2 + HCl = HCOCl + NH3
I3{-} + Cl2 + H2O = IO3{-} + Cl{-} + H{+} =>
I3{-} + 8 Cl2 + 9 H2O = 3 IO3{-} + 16 Cl{-} + 18 H{+}
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Pb(NO3)2 + HCI = PbI2 + HC(NO3) =>
Pb(NO3)2 + 2 HCI = PbI2 + 2 HC(NO3)
C3H5O3{-} + O2 = HCO3{-} + H{+} =>
C3H5O3{-} + 3 O2 = 3 HCO3{-} + 2 H{+}
MgO + HPO3 = Mg(PO3)2 + H2O =>
MgO + 2 HPO3 = Mg(PO3)2 + H2O
C6H7NO3S + H2O = C6H6NO3S + H3O =>
C6H7NO3S + H2O = C6H6NO3S + H3O
U + Br = UBr5 =>
U + 5 Br = UBr5
CoS + CO + Cu = Co2(CO)8 + Cu2S =>
2 CoS + 8 CO + 4 Cu = Co2(CO)8 + 2 Cu2S
P4 + S3 = P4S3 =>
P4 + S3 = P4S3
Na3PO4(aq) + CaCl2(aq) = Ca3(PO4)2(s) + NaCl(aq) =>
2 Na3PO4(aq) + 3 CaCl2(aq) = Ca3(PO4)2(s) + 6 NaCl(aq)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C2H2 + Cl = C2Cl2 + HCl =>
C2H2 + 4 Cl = C2Cl2 + 2 HCl
ClO3{-} + I{-} + H{+} = I2 + Cl{-} + H2O =>
ClO3{-} + 6 I{-} + 6 H{+} = 3 I2 + Cl{-} + 3 H2O
FeBr2 + KOH = Fe(OH)2 + KBr(aq) =>
FeBr2 + 2 KOH = Fe(OH)2 + 2 KBr(aq)
CH3CH2CHCH3COOH + O2 = CO2 + H2O =>
2 CH3CH2CHCH3COOH + 13 O2 = 10 CO2 + 10 H2O
SiO2 + CaC2 = SiC + Ca + O =>
2 SiO2 + CaC2 = 2 SiC + Ca + 4 O
PbO2 + HCl = PbCl2 + Cl2 + H2O =>
PbO2 + 4 HCl = PbCl2 + Cl2 + 2 H2O
SO2 + H2O = S + H2SO4 =>
3 SO2 + 2 H2O = S + 2 H2SO4
Ca(ClO)2 + Na2S2O3 + NaOH = NaCl + CaSO4 + H2O =>
2 Ca(ClO)2 + Na2S2O3 + 2 NaOH = 4 NaCl + 2 CaSO4 + H2O
Mn + Co{+3} = Co{+2} + Mn{+2} =>
Mn + 2 Co{+3} = 2 Co{+2} + Mn{+2}
Ba(OH)2 + H2S = BaS + H2O =>
Ba(OH)2 + H2S = BaS + 2 H2O
Pb(CH3COO)2 + NaOH = Pb(OH)2 + CH3COONa =>
Pb(CH3COO)2 + 2 NaOH = Pb(OH)2 + 2 CH3COONa
Fe + (HNO3) = Fe(NO3)3 + NO2 + H2O =>
Fe + 6(HNO3) = Fe(NO3)3 + 3 NO2 + 3 H2O
Cu2S + S8 = CuS =>
8 Cu2S + S8 = 16 CuS
Na2S2O3 + CdSO4 + H2O = CdS + H2SO4 + Na2SO4 =>
Na2S2O3 + CdSO4 + H2O = CdS + H2SO4 + Na2SO4
NaOH + NH4HCO3 = Na2CO3 + NH3 + H2O =>
2 NaOH + NH4HCO3 = Na2CO3 + NH3 + 2 H2O
MnSO4 + KMnO4 = K2SO4 + Mn3O8 =>
MnSO4 + 2 KMnO4 = K2SO4 + Mn3O8
HBrO3 + CaCO3 = Ca(BrO3)2 + CO2 + H2O =>
2 HBrO3 + CaCO3 = Ca(BrO3)2 + CO2 + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
AgNO3 + CO3(NH4)2 = Ag2CO3 + NH4NO3 =>
2 AgNO3 + CO3(NH4)2 = Ag2CO3 + 2 NH4NO3
AlBr3 + NaOH = Al(OH)3 + NaBr =>
AlBr3 + 3 NaOH = Al(OH)3 + 3 NaBr
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