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ZnO + CaCO3 = CaO3 + ZnCO
N2F2 = NF =>
N2F2 = 2 NF
H + As + O = H3AsO4 =>
3 H + As + 4 O = H3AsO4
Al3 + FeCl2 = AlCl3 + Fe =>
2 Al3 + 9 FeCl2 = 6 AlCl3 + 9 Fe
Fe(OH)H = Fe(H2O) =>
Fe(OH)H = Fe(H2O)
C6H9NO + O2 = CO2 + H2O + N2 =>
4 C6H9NO + 31 O2 = 24 CO2 + 18 H2O + 2 N2
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
CrO7{-2} + H{+} + {-} = Cr{+3} + H2O =>
CrO7{-2} + 14 H{+} + 9e = Cr{+3} + 7 H2O
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
NaIO3 + NaHSO3 = NaHSO4 + Na2SO4 + H2O + I2 =>
2 NaIO3 + 5 NaHSO3 = 3 NaHSO4 + 2 Na2SO4 + H2O + I2
Cr2O3 + H2 = Cr + H2O =>
Cr2O3 + 3 H2 = 2 Cr + 3 H2O
SrCO3 + H3PO4 = Sr3(PO4)2 + H2O + CO2 =>
3 SrCO3 + 2 H3PO4 = Sr3(PO4)2 + 3 H2O + 3 CO2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Al + HNO3 = Al(NO3)3 + N2 + H2O =>
10 Al + 36 HNO3 = 10 Al(NO3)3 + 3 N2 + 18 H2O
Cl2 + Na2CO3 + H2O = NaHCO3 + NaCl + Cl2O =>
2 Cl2 + 2 Na2CO3 + H2O = 2 NaHCO3 + 2 NaCl + Cl2O
CuNo3 + K2S = Cu2S + KNo3 =>
2 CuNo3 + K2S = Cu2S + 2 KNo3
C2H4O2 + MgO = Mg(CH3COO)2 + H2O =>
2 C2H4O2 + MgO = Mg(CH3COO)2 + H2O
MgCl2 + NH4CO3 = MgCO3 + NH4Cl2 =>
MgCl2 + NH4CO3 = MgCO3 + NH4Cl2
CH3CH2OH + HBr = CH3CH2CH2CH2Br + H2O =>
2 CH3CH2OH + HBr = CH3CH2CH2CH2Br + 2 H2O
SO4 + S = SO3 =>
3 SO4 + S = 4 SO3
NaN3 + K(NO3) = N2 + K2O + Na2O =>
10 NaN3 + 2 K(NO3) = 16 N2 + K2O + 5 Na2O
HI + HClO3 = HCl + I2 + H2O =>
6 HI + HClO3 = HCl + 3 I2 + 3 H2O
Na3N + HCl = NH4Cl + NaCl =>
Na3N + 4 HCl = NH4Cl + 3 NaCl
ZnCO3 + H2S = ZnS + H2O + CO2 =>
ZnCO3 + H2S = ZnS + H2O + CO2
Al3 + FeCl2 = AlCl3 + Fe =>
2 Al3 + 9 FeCl2 = 6 AlCl3 + 9 Fe
LiOH + FeCl3 = LiCl + Fe(OH)3 =>
3 LiOH + FeCl3 = 3 LiCl + Fe(OH)3
Mn + Cl = MnCl3 =>
Mn + 3 Cl = MnCl3
Mg + N3 = Mg3N =>
9 Mg + N3 = 3 Mg3N
C + H2 + Cl = CHCl =>
2 C + H2 + 2 Cl = 2 CHCl
Al3 + FeCl2 = AlCl3 + Fe =>
2 Al3 + 9 FeCl2 = 6 AlCl3 + 9 Fe
N2F2 = NF =>
N2F2 = 2 NF
C6H5NO2 + Zn + HCl = C6H5NH3Cl + ZnCl + H2O =>
C6H5NO2 + 6 Zn + 7 HCl = C6H5NH3Cl + 6 ZnCl + 2 H2O
Be + Na + O2 = Na2Be2O2 =>
2 Be + 2 Na + O2 = Na2Be2O2
Na2CO3 + NaHCO3 = Na3CO3 + HCO3 =>
Na2CO3 + NaHCO3 = Na3CO3 + HCO3
CaO + B2O3 = Ca3(BO3)2 =>
3 CaO + B2O3 = Ca3(BO3)2
Al2O3 + Cr = Cr2O3 + Al =>
Al2O3 + 2 Cr = Cr2O3 + 2 Al
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
C25H52(s) + O2(g) = CO2(g) + H2O(g) =>
C25H52(s) + 38 O2(g) = 25 CO2(g) + 26 H2O(g)
Co + C = Co2C =>
2 Co + C = Co2C
BH3 = B + H =>
BH3 = B + 3 H
Sr + OH = Sr(OH) =>
Sr + OH = Sr(OH)
Mg + S + O = MgSO4 =>
Mg + S + 4 O = MgSO4
P4 + O = P2O5 =>
P4 + 10 O = 2 P2O5
CaCl2 + K2CO3 = CaCO3 + KCl =>
CaCl2 + K2CO3 = CaCO3 + 2 KCl
CrCl3 + Mg = CrCl2 + MgCl2 =>
2 CrCl3 + Mg = 2 CrCl2 + MgCl2
AgCH3COO + NaOH = AgOH + NaCH3COO =>
AgCH3COO + NaOH = AgOH + NaCH3COO
Cr2O7 + Mn = Cr + MnO2 =>
2 Cr2O7 + 7 Mn = 4 Cr + 7 MnO2
Fe + H2O2 = FeO + H2O =>
Fe + H2O2 = FeO + H2O
Na2SO4 = SO2Na2O2 =>
Na2SO4 = SO2Na2O2
Fe + P4 = Fe3P5 =>
12 Fe + 5 P4 = 4 Fe3P5
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