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2 Ae + 2 NaOH + 6 H2O = 2 Na[Ae(OH)4] + 3 H2
KBr + MnO2 + HCl = KCl + H2O + MnCl + Br =>
3 KBr + MnO2 + 4 HCl = 3 KCl + 2 H2O + MnCl + 3 Br
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
Al + Se = AlSe =>
Al + Se = AlSe
KCl + CUCl2 = KCl2 + CUCl =>
KCl + CUCl2 = KCl2 + CUCl
K2Cr2O7 + H2C2O4H2O = Cr(C2O4)3 + H2O + K2C2O4 =>
K2Cr2O7 + 7 H2C2O4H2O = 2 Cr(C2O4)3 + 14 H2O + K2C2O4
AgNO3 + NaHSO4 = Ag2SO4 + NaH + NO3 =>
2 AgNO3 + NaHSO4 = Ag2SO4 + NaH + 2 NO3
Zn + No3 = Zn3No2 =>
9 Zn + 2 No3 = 3 Zn3No2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Na2(Sn(OH)4) + AgNO3 + NaOH = Ag + Na2[Sn(OH)6] + NaNO3 =>
Na2(Sn(OH)4) + 2 AgNO3 + 2 NaOH = 2 Ag + Na2[Sn(OH)6] + 2 NaNO3
NaOH + CH2COOH = NaOH2 + CHCOOH =>
NaOH + CH2COOH = NaOH2 + CHCOOH
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
Mg(OH)2 + HBr = MgBr2 + H2O =>
Mg(OH)2 + 2 HBr = MgBr2 + 2 H2O
KCl + CUCl2 = KCl2 + CUCl =>
KCl + CUCl2 = KCl2 + CUCl
Ca(s) + Fe(NO3)3(aq) = Ca(NO3)2(aq) + Fe(s) =>
3 Ca(s) + 2 Fe(NO3)3(aq) = 3 Ca(NO3)2(aq) + 2 Fe(s)
CH2(OH)CH2(OH) + O2 = CO2 + H2O =>
2 CH2(OH)CH2(OH) + 5 O2 = 4 CO2 + 6 H2O
Sn + Al2SO4 = SnSO4 + Al =>
Sn + Al2SO4 = SnSO4 + 2 Al
K8 = K2 =>
K8 = 4 K2
PB(NO3)2 + KI = PB(I)2 + KNO3 =>
PB(NO3)2 + 2 KI = PB(I)2 + 2 KNO3
Al(NO3)3 + K2CO3 = AlCO3 + K2(NO3)3 =>
Al(NO3)3 + K2CO3 = AlCO3 + K2(NO3)3
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
C8H8O + C2H5OH = C7H6HCH2CH3CH3 + O =>
15 C8H8O + 20 C2H5OH = 16 C7H6HCH2CH3CH3 + 35 O
NaF + HBr = NaBr + HF =>
NaF + HBr = NaBr + HF
Na2S + NiSO4 = Na2SO4 + SNi =>
Na2S + NiSO4 = Na2SO4 + SNi
Ca + Cd(NO3)2 = Cd + Ca(NO3)2 =>
Ca + Cd(NO3)2 = Cd + Ca(NO3)2
Zn + NO3 = Zn(NO3)2 =>
Zn + 2 NO3 = Zn(NO3)2
Mg(OH)2 + HBr = MgBr2 + H2O =>
Mg(OH)2 + 2 HBr = MgBr2 + 2 H2O
Na2CO3 + H2O2 = NaOH + CO3 =>
Na2CO3 + H2O2 = 2 NaOH + CO3
HCl + RbOH = H2O + RbCl =>
HCl + RbOH = H2O + RbCl
Li{+} + S{-} = LiS =>
Li{+} + S{-} = LiS
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
KCl + CuCl2 = K2CuCl4 =>
2 KCl + CuCl2 = K2CuCl4
Zn + No3 = Zn3No2 =>
9 Zn + 2 No3 = 3 Zn3No2
H2SO3 + Mn + HCl = MnCl2 + H2O + S =>
H2SO3 + 2 Mn + 4 HCl = 2 MnCl2 + 3 H2O + S
As(OH)3 + NaOH = NaAsO2 + H2O =>
As(OH)3 + NaOH = NaAsO2 + 2 H2O
K2CO3 + NaCl = NaCO3 + K2Cl =>
K2CO3 + NaCl = NaCO3 + K2Cl
NaOH + CH2COOH = NaOH2 + CHCOOH =>
NaOH + CH2COOH = NaOH2 + CHCOOH
KCl + CUCl2 = KCl2 + CUCl =>
KCl + CUCl2 = KCl2 + CUCl
Cr2O3 + KOH + O2 = K2CrO4 + H2O =>
2 Cr2O3 + 8 KOH + 3 O2 = 4 K2CrO4 + 4 H2O
BeO + LiSO4 = LiO + BeSO4 =>
BeO + LiSO4 = LiO + BeSO4
Li{+} + S{-} = LiS =>
Li{+} + S{-} = LiS
CH3CH3CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH3CO + H2O =>
10 CH3CH3CH2OH + 3 K2Cr2O7 + 12 H2SO4 = 3 Cr2(SO4)3 + 3 K2SO2 + 10 CH3CH3CO + 27 H2O
Fe(OH)3 + H2O2 = FeO3 + H2O =>
2 Fe(OH)3 + 3 H2O2 = 2 FeO3 + 6 H2O
Cr2O7{2-} + I{-} = Cr{3+} + I2 + O{2-} =>
Cr2O7{2-} + 6 I{-} = 2 Cr{3+} + 3 I2 + 7 O{2-}
Zn + HNO3 = ZnNO3 + NH4NO2 + H2O =>
10 Zn + 12 HNO3 = 10 ZnNO3 + NH4NO2 + 4 H2O
(a)S8 + O2 = SO3 =>
(a)S8 + 12 O2 = 8 SO3
NaOH + Cu = Cu(OH) + Na2 =>
2 NaOH + 2 Cu = 2 Cu(OH) + Na2
PbCl2(aq) + Li2SO4(aq) = LiCl(aq) + PbSO4(cr) =>
PbCl2(aq) + Li2SO4(aq) = 2 LiCl(aq) + PbSO4(cr)
Pb(C2H3O2)2(aq) + KBr(aq) = K(C2H3O2) + PbBr2 =>
Pb(C2H3O2)2(aq) + 2 KBr(aq) = 2 K(C2H3O2) + PbBr2
Fe(NO3)2 + Na2C2O4 = Na2(NO3)2 + FeC2O4 =>
Fe(NO3)2 + Na2C2O4 = Na2(NO3)2 + FeC2O4
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