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6 Cu + S6 = 6 CuS
Mg(OH)2(aq) = Mg{2+}(aq) + OH{-}(aq) =>
Mg(OH)2(aq) = Mg{2+}(aq) + 2 OH{-}(aq)
C3H8O3 + Na = C3H5O3Na3 + H2 =>
2 C3H8O3 + 6 Na = 2 C3H5O3Na3 + 3 H2
KI(aq) + Br2(aq) = KBr + I2 =>
2 KI(aq) + Br2(aq) = 2 KBr + I2
NaCl(aq) + Ca(NO3)2(aq) = Na(NO3) + CaCl2 =>
2 NaCl(aq) + Ca(NO3)2(aq) = 2 Na(NO3) + CaCl2
Ca(OH)2(s) = CaO(s) + H2O =>
Ca(OH)2(s) = CaO(s) + H2O
C8H8O3 + H2O = C8H10O4 =>
C8H8O3 + H2O = C8H10O4
C4H6Cl2 + O2 = CO2 + H2O + HCl =>
C4H6Cl2 + 5 O2 = 4 CO2 + 2 H2O + 2 HCl
Sr(NO3)2 + AlCl3 = SrCl2 + Al(NO3)3 =>
3 Sr(NO3)2 + 2 AlCl3 = 3 SrCl2 + 2 Al(NO3)3
CH4(g) + Br2(g) = CH3Br(g) + HBr(g) =>
CH4(g) + Br2(g) = CH3Br(g) + HBr(g)
Cu[NO3]2 = CuO + NO2 + O2 =>
2 Cu[NO3]2 = 2 CuO + 4 NO2 + O2
Al + Fe{2}O{3} = Al{2}O{3} + Fe =>
Al + Fe{2}O{3} = Al{2}O{3} + Fe
C2H3O2 + Cu = Cu(C2H3O2)2 =>
2 C2H3O2 + Cu = Cu(C2H3O2)2
NaHSO3(s) = Na2SO3(s) + SO2(g) + H2O(l) =>
2 NaHSO3(s) = Na2SO3(s) + SO2(g) + H2O(l)
NiSO4 + Br2 + NaOH = NiO(OH) + NaBr + Na2SO4 + H2O =>
2 NiSO4 + Br2 + 6 NaOH = 2 NiO(OH) + 2 NaBr + 2 Na2SO4 + 2 H2O
Zn + HC = ZnC12 + H2 =>
Zn + 12 HC = ZnC12 + 6 H2
COBr2 + H2O = CO + BrO + H =>
COBr2 + 2 H2O = CO + 2 BrO + 4 H
Na2CrO4 + Ni(NO3)2 = Na(NO3) + NiCrO4 =>
Na2CrO4 + Ni(NO3)2 = 2 Na(NO3) + NiCrO4
KClO4 + H2SO4 = KHSO4 + O2 + ClO2 + H2O =>
4 KClO4 + 4 H2SO4 = 4 KHSO4 + 3 O2 + 4 ClO2 + 2 H2O
Cr + H2CO3 = CrCO3 + H2 =>
Cr + H2CO3 = CrCO3 + H2
Al(HCO3)3 + HNO3 = Al(NO3)3 + H2CO3 =>
Al(HCO3)3 + 3 HNO3 = Al(NO3)3 + 3 H2CO3
Hg2I2 = Hg + I =>
Hg2I2 = 2 Hg + 2 I
HBr + Ag2CO3 = AgBr + H2O + CO2 =>
2 HBr + Ag2CO3 = 2 AgBr + H2O + CO2
Zn + Fe2(SO4)3 = ZnSO4 + FeSO4 =>
Zn + Fe2(SO4)3 = ZnSO4 + 2 FeSO4
AgNO3 + I = AgI + NO3 =>
AgNO3 + I = AgI + NO3
N2H4(g) + O2(g) = NO2(g) + H2O(l) =>
N2H4(g) + 3 O2(g) = 2 NO2(g) + 2 H2O(l)
Hg2I2 + KI = K2[HgI4] + Hg =>
Hg2I2 + 2 KI = K2[HgI4] + Hg
BF3 + NH3 = F3BNH3 =>
BF3 + NH3 = F3BNH3
C4H9I = C4H8 + HI =>
C4H9I = C4H8 + HI
KClO4 + AgNO3 = AgCl + KNO3 + O2 =>
KClO4 + AgNO3 = AgCl + KNO3 + 2 O2
Fe(NO3)3 + CH3COONa = Fe(CH3COO)3 + NaNO3 =>
Fe(NO3)3 + 3 CH3COONa = Fe(CH3COO)3 + 3 NaNO3
LiBr + H2O = LiOH + HBr =>
LiBr + H2O = LiOH + HBr
Al2(SO4)3 + CH3COONa + H2O = Al(OH)2(CH3COO) + Na2SO4 + CH3COOH =>
Al2(SO4)3 + 6 CH3COONa + 4 H2O = 2 Al(OH)2(CH3COO) + 3 Na2SO4 + 4 CH3COOH
CaCl2 + Li2S = LiCl + CaS =>
CaCl2 + Li2S = 2 LiCl + CaS
CuSO4 + BaCl2 = CuCl2 + BaSO4 =>
CuSO4 + BaCl2 = CuCl2 + BaSO4
C4H10 = C4H6 + H2 =>
C4H10 = C4H6 + 2 H2
C2H6S + O2 = CO2 + H2O + SO3 =>
C2H6S + 5 O2 = 2 CO2 + 3 H2O + SO3
NH4Cl + BaCl2 = BaNH4 + Cl2 =>
2 NH4Cl + 2 BaCl2 = 2 BaNH4 + 3 Cl2
C8H10 + KMnO4 = C7H6O2 + MnO2 + KOH + CH4 =>
10 C8H10 + 22 KMnO4 = 11 C7H6O2 + 22 MnO2 + 22 KOH + 3 CH4
SiO2(s) + C = Si + CO =>
SiO2(s) + 2 C = Si + 2 CO
Co + NO3 = Co(NO3) =>
Co + NO3 = Co(NO3)
Cd + H2S = CdS + H2 =>
Cd + H2S = CdS + H2
CaOCl2 = CaCl2 + Ca(ClO)2 =>
2 CaOCl2 = CaCl2 + Ca(ClO)2
KMnO4 + H2SO4 + HCl = K2SO4 + MnSO4 + Cl2 + H2O =>
2 KMnO4 + 3 H2SO4 + 10 HCl = K2SO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
S8 + KI = SI + K =>
S8 + 8 KI = 8 SI + 8 K
Cu(NO3)2(ac) + NaOH(ac) = Cu(OH)2 + NaNO3 =>
Cu(NO3)2(ac) + 2 NaOH(ac) = Cu(OH)2 + 2 NaNO3
HgCl + NH4OH = HgOH + NH4Cl =>
HgCl + NH4OH = HgOH + NH4Cl
Al + Li2CO3 = Al2(CO3)3 + Li =>
2 Al + 3 Li2CO3 = Al2(CO3)3 + 6 Li
Co(OH)2 + H2SiO3 = CoSiO3 + H2O =>
Co(OH)2 + H2SiO3 = CoSiO3 + 2 H2O
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