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4 CO2 + 4 H2O = 2 C2H4O + 5 O2
Fe + Ca(NO3)2 = Ca + Fe(NO3)3 =>
2 Fe + 3 Ca(NO3)2 = 3 Ca + 2 Fe(NO3)3
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
K3[Al(C2O4)3] + HCl = KCl + H2C2O4 + AlCl3 =>
K3[Al(C2O4)3] + 6 HCl = 3 KCl + 3 H2C2O4 + AlCl3
BF3 + NI3 = BN + FI =>
BF3 + NI3 = BN + 3 FI
SO2 + NaOH = NaSO3 + H2 =>
2 SO2 + 2 NaOH = 2 NaSO3 + H2
ZnS + H2Br2 = ZnBr2 + H2S =>
ZnS + H2Br2 = ZnBr2 + H2S
P4S6 + HNO3 = H2O + H2SO4 + H3PO4 + NO2 =>
P4S6 + 56 HNO3 = 16 H2O + 6 H2SO4 + 4 H3PO4 + 56 NO2
MgO = Mg + O4 =>
4 MgO = 4 Mg + O4
Na2SO4 + K4Fe(CN)6 = K2SO4 + Na4Fe(CN)6 =>
2 Na2SO4 + K4Fe(CN)6 = 2 K2SO4 + Na4Fe(CN)6
Cr(OH)3 + NH4OH = [Cr(NH3)6](OH)3 + H2O =>
Cr(OH)3 + 6 NH4OH = [Cr(NH3)6](OH)3 + 6 H2O
C2H2 + O2 = CO10 + H2O =>
2 C2H2 + 21 O2 = 4 CO10 + 2 H2O
AlN + SiO2 + Fe2O3 = FeSi + Al2O3 + N2 =>
14 AlN + 6 SiO2 + 3 Fe2O3 = 6 FeSi + 7 Al2O3 + 7 N2
FeNO3 + Na2SO4 = FeSO4 + Na2NO3 =>
FeNO3 + Na2SO4 = FeSO4 + Na2NO3
Hg + ZnCl2 = HgCl + Zn =>
2 Hg + ZnCl2 = 2 HgCl + Zn
Na + H(OH) = NaOH + H2 =>
2 Na + 2 H(OH) = 2 NaOH + H2
Sn(s) + FeCl2(aq) = Fe(s) + SnCl2(aq) =>
Sn(s) + FeCl2(aq) = Fe(s) + SnCl2(aq)
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
FeO + HCl = Fe + H2O + Cl =>
FeO + 2 HCl = Fe + H2O + 2 Cl
CuS + HCl + O2 = CuCl2 + S + H2O =>
2 CuS + 4 HCl + O2 = 2 CuCl2 + 2 S + 2 H2O
CH3NH2 + HCl = CH3Cl + NH3 =>
CH3NH2 + HCl = CH3Cl + NH3
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Co(ClO4)2 + Na2CrO4 = CoCrO4 + NaClO4 =>
Co(ClO4)2 + Na2CrO4 = CoCrO4 + 2 NaClO4
Zn + Na2O2 = Na2ZnO2 =>
Zn + Na2O2 = Na2ZnO2
AgNO3CuCl2 = AgCl2CuNO3 =>
AgNO3CuCl2 = AgCl2CuNO3
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
Al2O3 + KCl = AlCl4 + O2 + K =>
2 Al2O3 + 16 KCl = 4 AlCl4 + 3 O2 + 16 K
NaI + Pb(NO2) = Na(NO2) + PbI =>
NaI + Pb(NO2) = Na(NO2) + PbI
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
(CuOH)2SO4H2SO4 = CuSO4H2O =>
(CuOH)2SO4H2SO4 = 2 CuSO4H2O
Na2O + HClO4 = NaClO4 + H2O =>
Na2O + 2 HClO4 = 2 NaClO4 + H2O
Rh + Cl2 = RhCl =>
2 Rh + Cl2 = 2 RhCl
AgOH + HBrO = AgBrO + H2O =>
AgOH + HBrO = AgBrO + H2O
HIO3 + H3AsO3 + HCl = ICl + H3AsO4 + H2O =>
HIO3 + 2 H3AsO3 + HCl = ICl + 2 H3AsO4 + H2O
MgS + K3P = Mg3P2 + K2S =>
3 MgS + 2 K3P = Mg3P2 + 3 K2S
Fe3 + NH3 = Fe(NH3)3 =>
Fe3 + 9 NH3 = 3 Fe(NH3)3
C6H4(COOH)2 + CH3OH = C6H4(COOCH3)2 + H2O =>
C6H4(COOH)2 + 2 CH3OH = C6H4(COOCH3)2 + 2 H2O
C7(g)H6(g)O2(g) + O2(g) = CO2(g) + H2(g)O =>
2 C7(g)H6(g)O2(g) + 15 O2(g) = 14 CO2(g) + 6 H2(g)O
HClO3 + NaHS + NaOH = Na2S2O3 + NaCl + H2O =>
4 HClO3 + 6 NaHS + 4 NaOH = 3 Na2S2O3 + 4 NaCl + 7 H2O
P(s) + O2(g) = P2O3(s) =>
4 P(s) + 3 O2(g) = 2 P2O3(s)
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
CH2(COOH)2CH3OH = CH2OH(COOH)2CH3 =>
CH2(COOH)2CH3OH = CH2OH(COOH)2CH3
Ca = Ca3 =>
3 Ca = Ca3
Na3PO4 + CaSO4 = Ca3(PO4)2 + Na2SO4 =>
2 Na3PO4 + 3 CaSO4 = Ca3(PO4)2 + 3 Na2SO4
K2CrO4 + H2SO4 + KI = Cr2(SO4)3 + I2 + K2SO4 + H2O =>
2 K2CrO4 + 8 H2SO4 + 6 KI = Cr2(SO4)3 + 3 I2 + 5 K2SO4 + 8 H2O
Sr(OH)2 + (NH4)2S = SrS + NH4OH =>
Sr(OH)2 + (NH4)2S = SrS + 2 NH4OH
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
BaSO4 = BaO + SO3 =>
BaSO4 = BaO + SO3
KBrO3 + HCl = KCl + BrO2 + H2O + O2 =>
4 KBrO3 + 4 HCl = 4 KCl + 4 BrO2 + 2 H2O + O2
Pb(C2H3O2)2 + NaSO4 = PbSO4 + Na(C2H3O2)2 =>
Pb(C2H3O2)2 + NaSO4 = PbSO4 + Na(C2H3O2)2
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