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2 Na + 2 H2O = H2 + 2 NaOH
FeO + CO = Fe + CO2 =>
FeO + CO = Fe + CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
FeO + CO = Fe + CO2 =>
FeO + CO = Fe + CO2
UO2 + HF = UF4 + H2O =>
UO2 + 4 HF = UF4 + 2 H2O
MgO + Fe = Fe2O3 + Mg =>
3 MgO + 2 Fe = Fe2O3 + 3 Mg
FeCl3 + NH4OH = NH4Cl + Fe(OH)3 =>
FeCl3 + 3 NH4OH = 3 NH4Cl + Fe(OH)3
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
B2O3 + HF = BF3 + H2O =>
B2O3 + 6 HF = 2 BF3 + 3 H2O
Cl + P4 = PCl5 =>
20 Cl + P4 = 4 PCl5
NaNO3 + H2SO4 = Na2SO4 + HNO3 =>
2 NaNO3 + H2SO4 = Na2SO4 + 2 HNO3
Pb + H2SO4 = PbS + H2O + Pb2O4 =>
10 Pb + 4 H2SO4 = 4 PbS + 4 H2O + 3 Pb2O4
Mg(NO3)2 + H2O = MgO + HNO3 =>
Mg(NO3)2 + H2O = MgO + 2 HNO3
Na2CO3 + Ca(NO3)2 = CaCO3 + NaNO3 =>
Na2CO3 + Ca(NO3)2 = CaCO3 + 2 NaNO3
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(l) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(l)
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
NiS + O2 = NiO + SO2 =>
2 NiS + 3 O2 = 2 NiO + 2 SO2
Na8Ta6O19 = NaTaO3 + Na2O =>
Na8Ta6O19 = 6 NaTaO3 + Na2O
Na + Cl = NaCl =>
Na + Cl = NaCl
ZnO + NaOH = Na2ZnO2 + H2O =>
ZnO + 2 NaOH = Na2ZnO2 + H2O
C18H35O2 + O2 = CO2 + H2O =>
4 C18H35O2 + 103 O2 = 72 CO2 + 70 H2O
HCIO2 + Mg(OH)2 = H(OH)2 + MgCIO2 =>
HCIO2 + Mg(OH)2 = H(OH)2 + MgCIO2
Pb(OH)2 + NaOH = Na2PbO2 + H2O =>
Pb(OH)2 + 2 NaOH = Na2PbO2 + 2 H2O
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(l) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(l)
(NH4)2S = NH3 + H2S =>
(NH4)2S = 2 NH3 + H2S
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
H2SO4 + KOH = K2SO4 + HOH =>
H2SO4 + 2 KOH = K2SO4 + 2 HOH
C + F + G = CF2G2 =>
C + 2 F + 2 G = CF2G2
N2O4 + N2H3CH3 = H2O + N2 + CO3 =>
3 N2O4 + 2 N2H3CH3 = 6 H2O + 5 N2 + 2 CO3
F + W + S + P = FW3SP2 =>
F + 3 W + S + 2 P = FW3SP2
C18H38 + O2 = H4O + C2 =>
4 C18H38 + 19 O2 = 38 H4O + 36 C2
N2O4 + N2H3CH3 = H2O + N2 + CO2 =>
5 N2O4 + 4 N2H3CH3 = 12 H2O + 9 N2 + 4 CO2
CaO(s) + H2O(l) = Ca(OH)2(aq) =>
CaO(s) + H2O(l) = Ca(OH)2(aq)
ZnCO3 + HNO3 = Zn(NO3)2 + CO2 + H2O =>
ZnCO3 + 2 HNO3 = Zn(NO3)2 + CO2 + H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Ca(ClO3)2(s) = CaCl2(s) + O2(g) =>
Ca(ClO3)2(s) = CaCl2(s) + 3 O2(g)
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Zn(s) + CuBr2(aq) = ZnBr2(aq) + Cu(s) =>
Zn(s) + CuBr2(aq) = ZnBr2(aq) + Cu(s)
C8H18(l) + O2(g) = CO2(g) + H2O(g) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
C12H22O11 = C + H2O =>
C12H22O11 = 12 C + 11 H2O
U + F2 = UF6 =>
U + 3 F2 = UF6
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