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2 Na + 2 H2O = 2 NaOH + H2
CaCO3(s) = CaO(s) + CO2(g) =>
CaCO3(s) = CaO(s) + CO2(g)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na(s) + H2O(l) = Na(OH)2(aq) + H2(g) =>
Na(s) + 2 H2O(l) = Na(OH)2(aq) + H2(g)
NO + CO = N2 + CO2 =>
2 NO + 2 CO = N2 + 2 CO2
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
K2Cr2O7 + SnSO4 + H2SO4 = Sn(SO4)2 + Cr2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 3 SnSO4 + 7 H2SO4 = 3 Sn(SO4)2 + Cr2(SO4)3 + 7 H2O + K2SO4
S2O3{2-} + I2 = I{-} + S4O6{2-} =>
2 S2O3{2-} + I2 = 2 I{-} + S4O6{2-}
Al + CuS = Cu + AlS =>
Al + CuS = Cu + AlS
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
AgNo3 + CaCl2 = AgCl + Ca(No3)2 =>
2 AgNo3 + CaCl2 = 2 AgCl + Ca(No3)2
N2O4 + O2 = N2O5 =>
2 N2O4 + O2 = 2 N2O5
KCl + H2SO4 + KMnO4 = MnSO4 + K2SO4 + H2O + Cl2 =>
10 KCl + 8 H2SO4 + 2 KMnO4 = 2 MnSO4 + 6 K2SO4 + 8 H2O + 5 Cl2
NH3 + O = NO + H2O =>
2 NH3 + 5 O = 2 NO + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SO4{-2} + H2O + e = SO3{-2} + HO{-} =>
SO4{-2} + H2O + 2e = SO3{-2} + 2 HO{-}
SiCl4 + H2O + KOH = K2SiO3 + HCl =>
SiCl4 + H2O + 2 KOH = K2SiO3 + 4 HCl
HCl + CaOH = H2O + CaCl =>
HCl + CaOH = H2O + CaCl
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
NiS + O2 = NiO + SO2 =>
2 NiS + 3 O2 = 2 NiO + 2 SO2
CoI2 + (NH4)2S = CoS + NH4I =>
CoI2 + (NH4)2S = CoS + 2 NH4I
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
FeS2 + Cl2 = FeCl3 + S2Cl2 =>
2 FeS2 + 5 Cl2 = 2 FeCl3 + 2 S2Cl2
Na2S2O3 + Hg = Hg(S2O3) + Na =>
Na2S2O3 + Hg = Hg(S2O3) + 2 Na
As + F2 = AsF =>
2 As + F2 = 2 AsF
NaOH(aq) + HCl(aq) = NaCl(aq) + H2O(aq) =>
NaOH(aq) + HCl(aq) = NaCl(aq) + H2O(aq)
Al + HCl = H + AlCl =>
Al + HCl = H + AlCl
C4H8O2 + O2 = CO2 + H2O =>
C4H8O2 + 5 O2 = 4 CO2 + 4 H2O
CO2 + C = CO =>
CO2 + C = 2 CO
Cl2 + NaOH = NaClO + NaCl + H2O =>
Cl2 + 2 NaOH = NaClO + NaCl + H2O
H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
CH4O + O2 = CO2 + H2O =>
2 CH4O + 3 O2 = 2 CO2 + 4 H2O
K2MnO4 + H2O = MnO2 + KOH + KMnO4 =>
3 K2MnO4 + 2 H2O = MnO2 + 4 KOH + 2 KMnO4
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l)
Co(OH)2 + HNO3 = Co(NO3)2 + H2O =>
Co(OH)2 + 2 HNO3 = Co(NO3)2 + 2 H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
H2So4 + ZNO = ZNSo4 + H2O =>
H2So4 + ZNO = ZNSo4 + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
MGCO3 + HCl = MGCl2 + H2O + CO2 =>
MGCO3 + 2 HCl = MGCl2 + H2O + CO2
Na2CrO4 + AgNO3 = Ag2CrO4 + NaNO3 =>
Na2CrO4 + 2 AgNO3 = Ag2CrO4 + 2 NaNO3
NaOH = NaO + H20 =>
20 NaOH = 20 NaO + H20
H2O(l) + Fe(s) = Fe2O3(s) + H2(g) =>
3 H2O(l) + 2 Fe(s) = Fe2O3(s) + 3 H2(g)
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