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2 Cu + Fe2 = 2 CuFe
Al(OH)3 + Na2S = Na(OH) + Al2S3 =>
2 Al(OH)3 + 3 Na2S = 6 Na(OH) + Al2S3
C2H5Br + KOH(alc) = KBr + H2O + C2H4 =>
C2H5Br + KOH(alc) = KBr + H2O + C2H4
Na2CO3 + HCe = NaCe + H2CO3 =>
Na2CO3 + 2 HCe = 2 NaCe + H2CO3
Ca(HCO3)2 + KCl = CaCl2 + KHCO3 =>
Ca(HCO3)2 + 2 KCl = CaCl2 + 2 KHCO3
K2CO3 + CO(NH2)2 = KOCN + H2O =>
K2CO3 + CO(NH2)2 = 2 KOCN + 2 H2O
H3S + HNO3 = H2SO4 + NO + H2O =>
H3S + 3 HNO3 = H2SO4 + 3 NO + 2 H2O
Ag + HCI = AgCI + H2 =>
2 Ag + 2 HCI = 2 AgCI + H2
Li + Cr(NO3)3 = LiNO3 + Cr =>
3 Li + Cr(NO3)3 = 3 LiNO3 + Cr
CrO2{-} + Na2O2 + H2O = CrO4{-2} + Na{+} + OH{-} =>
2 CrO2{-} + 3 Na2O2 + 2 H2O = 2 CrO4{-2} + 6 Na{+} + 4 OH{-}
C2H + O = CO2 + H2O =>
2 C2H + 9 O = 4 CO2 + H2O
HBr = Br2 + H2 =>
2 HBr = Br2 + H2
I + Cl2 = ICl3 =>
2 I + 3 Cl2 = 2 ICl3
Na2S + AgNO3 = Na2(NO3)2 + Ag2S =>
Na2S + 2 AgNO3 = Na2(NO3)2 + Ag2S
Al2O3 + NaCl + H2O = AlCl3 + NaOH =>
Al2O3 + 6 NaCl + 3 H2O = 2 AlCl3 + 6 NaOH
AgNO3KCl = AgClKNO3 =>
AgNO3KCl = AgClKNO3
[NH4]2Cr2O7 = Cr2O3 + N2 + H2O =>
[NH4]2Cr2O7 = Cr2O3 + N2 + 4 H2O
SnO + NaOH = NaSnO + HO =>
SnO + NaOH = NaSnO + HO
Fe2O3 + KOH = Fe(OH)3 + K2O =>
Fe2O3 + 6 KOH = 2 Fe(OH)3 + 3 K2O
C2H3Br3 + Br2 + Cl2 = C2BrCl3 + HBr =>
2 C2H3Br3 + Br2 + 3 Cl2 = 2 C2BrCl3 + 6 HBr
Ca + O3 = CaO =>
3 Ca + O3 = 3 CaO
V2O5 + Zn + H2SO4 = VOSO4 + ZnSO4 + H2O =>
V2O5 + Zn + 3 H2SO4 = 2 VOSO4 + ZnSO4 + 3 H2O
Ba(s) + SnCl2(aq) = BaCl2(aq) + Sn(s) =>
Ba(s) + SnCl2(aq) = BaCl2(aq) + Sn(s)
NiCl3 + K2CO3 = Ni2(CO3)3 + KCl =>
2 NiCl3 + 3 K2CO3 = Ni2(CO3)3 + 6 KCl
BaO + SiO2 = Ba2SiO4 =>
2 BaO + SiO2 = Ba2SiO4
NaNO3(s) + H2SO4(aq) = Na2SO4(aq) + HNO3(g) =>
2 NaNO3(s) + H2SO4(aq) = Na2SO4(aq) + 2 HNO3(g)
NO3H + Ca(OH)2 = (NO3)2Ca + H2O =>
2 NO3H + Ca(OH)2 = (NO3)2Ca + 2 H2O
Ba + FeCl3 = BaCl2 + Fe =>
3 Ba + 2 FeCl3 = 3 BaCl2 + 2 Fe
Na3[Al(OH)6] = Al(OH)3 + NaOH =>
Na3[Al(OH)6] = Al(OH)3 + 3 NaOH
NaNO3(aq) + KBr(aq) = NaBr + KNO3 =>
NaNO3(aq) + KBr(aq) = NaBr + KNO3
Cr2(SO4)3 + CaBr2 = CrBr3 + CaSO4 =>
Cr2(SO4)3 + 3 CaBr2 = 2 CrBr3 + 3 CaSO4
Rb + S2 = RbS2 =>
Rb + S2 = RbS2
CH3COCl + CH3CH2OH = CH3COOCH3CH2 + HCl =>
CH3COCl + CH3CH2OH = CH3COOCH3CH2 + HCl
CO2 + HO = C6H12O6 + O2 =>
6 CO2 + 12 HO = C6H12O6 + 9 O2
MgSiO3 + Al2SiO5 = Mg2Al4Si5O18 + MgAl2O4 =>
5 MgSiO3 + 5 Al2SiO5 = 2 Mg2Al4Si5O18 + MgAl2O4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al(OH)3 + NH4Cl = AlCl3 + NH3 + H2O =>
Al(OH)3 + 3 NH4Cl = AlCl3 + 3 NH3 + 3 H2O
CH3COONa + H2 = CH3COOH + Na =>
2 CH3COONa + H2 = 2 CH3COOH + 2 Na
Ag3N + Na = Na3N + Ag =>
Ag3N + 3 Na = Na3N + 3 Ag
MgSO4(aq) + Zn(NO3)2(aq) = Mg(NO3)2(aq) + ZnSO4(aq) =>
MgSO4(aq) + Zn(NO3)2(aq) = Mg(NO3)2(aq) + ZnSO4(aq)
SnCl4 + F = SnF4 + Cl2 =>
SnCl4 + 4 F = SnF4 + 2 Cl2
CH4 + I = CH3 + HI =>
CH4 + I = CH3 + HI
C2H5Br + H2 = C4H10 + HBr =>
2 C2H5Br + H2 = C4H10 + 2 HBr
Ni(CN)2 = Ni + CN =>
Ni(CN)2 = Ni + 2 CN
CrCl3 + H2O + (NH4)2S2O8 = H2SO4 + NH4Cl + H2CrO4 =>
2 CrCl3 + 8 H2O + 3(NH4)2S2O8 = 6 H2SO4 + 6 NH4Cl + 2 H2CrO4
FeCl2 + NaNO3 + HCl = FeCl3 + NaCl + H2O + NO =>
3 FeCl2 + NaNO3 + 4 HCl = 3 FeCl3 + NaCl + 2 H2O + NO
CuBr2 + I2 = CuI2 + Br2 =>
CuBr2 + I2 = CuI2 + Br2
NH2OH + Fe2(SO4)3 = N2 + FeSO4 + H2SO4 + H2O =>
2 NH2OH + Fe2(SO4)3 = N2 + 2 FeSO4 + H2SO4 + 2 H2O
NiS + Na = NiNa + S =>
NiS + Na = NiNa + S
CaH2 + H2SO4 = CaSO4 + H2 =>
CaH2 + H2SO4 = CaSO4 + 2 H2
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