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2 CaO + 5 C = 2 CaC2 + CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cr(OH)3 + NaOH = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = Na3[Cr(OH)6]
Sc2O3 + SO3 = Sc2(SO4)3 =>
Sc2O3 + 3 SO3 = Sc2(SO4)3
K2Cr2O7 + H2O2 = Cr2O3 + O2 + KOH =>
K2Cr2O7 + H2O2 = Cr2O3 + 2 O2 + 2 KOH
Na3PO4 + Ca(OH)2 = Ca3(PO4)2 + NaOH =>
2 Na3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 NaOH
MgBr2 + HF = MgF2 + HBr =>
MgBr2 + 2 HF = MgF2 + 2 HBr
AgC2H3O2KCl = AgClKC2H3O2 =>
AgC2H3O2KCl = AgClKC2H3O2
As + Cl2 = AsCl2 =>
As + Cl2 = AsCl2
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Ag + HCl = AgHCl =>
Ag + HCl = AgHCl
Cu + H2SO4 = Cu2SO4 + H2O + SO2 =>
2 Cu + 2 H2SO4 = Cu2SO4 + 2 H2O + SO2
Ca + K2O = K2CaO =>
Ca + K2O = K2CaO
Fe3 + Br = FeBr3 =>
Fe3 + 9 Br = 3 FeBr3
BaCl2 + AgNO3 = AgNO3BaCl2 =>
BaCl2 + AgNO3 = AgNO3BaCl2
CaI2 = Ca2 + I2 =>
2 CaI2 = Ca2 + 2 I2
K2CrO4 + HCl = K2Cr2O7 + KCl + H2O =>
2 K2CrO4 + 2 HCl = K2Cr2O7 + 2 KCl + H2O
HC1 + Na2SO4 = NaC1 + H2SO4 =>
2 HC1 + Na2SO4 = 2 NaC1 + H2SO4
FeI2 + Pb(NO3)2 = PbI2 + Fe(NO3)2 =>
FeI2 + Pb(NO3)2 = PbI2 + Fe(NO3)2
N2H4 + Zn + KOH + H2O = NH3 + K2(Zn(OH)4) =>
N2H4 + Zn + 2 KOH + 2 H2O = 2 NH3 + K2(Zn(OH)4)
K2CrO4 + HCl = K2Cr2O7 + KCl + H2O =>
2 K2CrO4 + 2 HCl = K2Cr2O7 + 2 KCl + H2O
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
Na2CrO4(aq) + AlBr3(aq) = NaBr(aq) + Al2(CrO4)3(s) =>
3 Na2CrO4(aq) + 2 AlBr3(aq) = 6 NaBr(aq) + Al2(CrO4)3(s)
Cu + O2 = CuO2 =>
Cu + O2 = CuO2
H2SO4 + Na2S2O3 = H2O + Na2SO4 + SO2 =>
3 H2SO4 + Na2S2O3 = 3 H2O + Na2SO4 + 4 SO2
NHO3 = NO2 + O2 + H2O =>
4 NHO3 = 4 NO2 + O2 + 2 H2O
Cu(NO3)2 + NH3 = Cu(NH3) + NO3 =>
Cu(NO3)2 + NH3 = Cu(NH3) + 2 NO3
S + HNO2 = H2SO3 + N2O =>
S + 2 HNO2 = H2SO3 + N2O
AsO2{-} + OH{-} + I2 = AsO43{-} + I{-} + H2O =>
AsO2{-} + 82 OH{-} + 41 I2 = AsO43{-} + 82 I{-} + 41 H2O
S8(l) + Cl2 = S2Cl2 =>
S8(l) + 4 Cl2 = 4 S2Cl2
MgSiO3 + HCl = SiH4 + MgCl2 + SiCl4 + O2 =>
4 MgSiO3 + 12 HCl = 3 SiH4 + 4 MgCl2 + SiCl4 + 6 O2
KNO2 + KClO3 = KCl + KNO3 =>
3 KNO2 + KClO3 = KCl + 3 KNO3
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
CH4 + Br2 = CH2Br + HBr =>
2 CH4 + 3 Br2 = 2 CH2Br + 4 HBr
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
C3H8O + CrO3 = C3H6O + Cr + H2O =>
3 C3H8O + CrO3 = 3 C3H6O + Cr + 3 H2O
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
C2Cu2 + HCl = CuCl2 + C2H4 =>
C2Cu2 + 4 HCl = 2 CuCl2 + C2H4
BF3 + LiAlH4 = AlF3 + B2H6 + LiF =>
4 BF3 + 3 LiAlH4 = 3 AlF3 + 2 B2H6 + 3 LiF
Ca(OH)2 + Cd(NO3)2 = Ca(NO3)2 + (OH)2Cd =>
Ca(OH)2 + Cd(NO3)2 = Ca(NO3)2 + (OH)2Cd
Cr2O3 + KNO3 = CrO3 + KNO2 =>
Cr2O3 + 3 KNO3 = 2 CrO3 + 3 KNO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2CO3 + NH4OH = (NH4)2CO3 + H2O =>
H2CO3 + 2 NH4OH = (NH4)2CO3 + 2 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Ge + S = GeS2 =>
Ge + 2 S = GeS2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K2[Cd(CN)4] + KOH = Cd(OH)2 + KCN =>
K2[Cd(CN)4] + 2 KOH = Cd(OH)2 + 4 KCN
Na + Cl + O = NaClO4 =>
Na + Cl + 4 O = NaClO4
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