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4 K2S + 4 H2O + KBrO4 = 2 S2 + 8 KOH + KBr
Cr = Cr2 =>
2 Cr = Cr2
F + KBr = KF + Br =>
F + KBr = KF + Br
CH3CHO + CH3CH2OH = CH3COH2OCH3CH2 =>
CH3CHO + CH3CH2OH = CH3COH2OCH3CH2
Fe2(SO4)3 + Ca(OH)2 = Fe(OH)3 + Ca3(SO4)3 =>
Fe2(SO4)3 + 3 Ca(OH)2 = 2 Fe(OH)3 + Ca3(SO4)3
KHSHCl = KClH2S =>
KHSHCl = KClH2S
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
FeF2 + Mg = MgF2 + Fe =>
FeF2 + Mg = MgF2 + Fe
C3H6H2O = C3H7OH =>
C3H6H2O = C3H7OH
Al(OH)3H2O = Al2O3 + H2O =>
2 Al(OH)3H2O = Al2O3 + 5 H2O
LiOH + FeSO4 + H3PO4 = LiFePO4 + H2SO4 + H2O =>
LiOH + FeSO4 + H3PO4 = LiFePO4 + H2SO4 + H2O
Ag2S = Ag + S4 =>
4 Ag2S = 8 Ag + S4
HS = SH =>
HS = SH
Na2Cr2O4 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
Na2Cr2O4 + 4 H2SO4 = Na2SO4 + Cr2(SO4)3 + 4 H2O
Fe3SO4 + NaOH = Fe3(OH)2 + Na2SO4 =>
Fe3SO4 + 2 NaOH = Fe3(OH)2 + Na2SO4
FeCl3 + AgNO3 = Fe(NO3)2 + Ag + Cl =>
FeCl3 + 2 AgNO3 = Fe(NO3)2 + 2 Ag + 3 Cl
HCl(aq) + Fe = FeCl2 + H2 =>
2 HCl(aq) + Fe = FeCl2 + H2
NO2 + NH4 = H2O + N2 =>
NO2 + NH4 = 2 H2O + N2
HCl + NaCO3 = Cl + NaHCO3 =>
HCl + NaCO3 = Cl + NaHCO3
C5H5(l) + Fe(S) = Fe(C5H5)2(S) =>
2 C5H5(l) + Fe(S) = Fe(C5H5)2(S)
Fe2O3(s) + CO(g) = Fe3O4(s) + CO2(g) =>
3 Fe2O3(s) + CO(g) = 2 Fe3O4(s) + CO2(g)
C + NH4ClO4 = NH3 + HCl + CO2 =>
2 C + NH4ClO4 = NH3 + HCl + 2 CO2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
AlCl2 + Na2CO3 = Al(CO3) + NaCl =>
AlCl2 + Na2CO3 = Al(CO3) + 2 NaCl
HCl + NaC6H5CO2 = NaCl + C6H5COOH =>
HCl + NaC6H5CO2 = NaCl + C6H5COOH
C2H6(g) + O2(g) = CO2(g) + H2O(g) =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(g)
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
FeCl3KBrCCl4 = FeCl4KCl3BrC =>
FeCl3KBrCCl4 = FeCl4KCl3BrC
MnSO4 + ZnO2 + H2SO4 = HMnO4 + ZnSO4 + H2O =>
2 MnSO4 + 5 ZnO2 + 3 H2SO4 = 2 HMnO4 + 5 ZnSO4 + 2 H2O
HCOOH + NH3 = NH2 + H3COO =>
HCOOH + NH3 = NH2 + H3COO
CH3CH2CH(OH)CH3 + Na = CH3CH2CH(O(Na))CH3 + H2 =>
2 CH3CH2CH(OH)CH3 + 2 Na = 2 CH3CH2CH(O(Na))CH3 + H2
HNO3 + H2O = H3O({+}) + NO3({-}) =>
HNO3 + H2O = H3O({+}) + NO3({-})
HCNK = KCNH =>
HCNK = KCNH
AgOH = Ag2OH2O =>
2 AgOH = Ag2OH2O
KCSN + FeCl3 = KCl + Fe(SCN)3 =>
3 KCSN + FeCl3 = 3 KCl + Fe(SCN)3
Al(OH)3H2O = Al2O3 + H2O =>
2 Al(OH)3H2O = Al2O3 + 5 H2O
C3H4OH(COOH)3 + NaOH = Na3C3H4OH + CH2O3 =>
C3H4OH(COOH)3 + 3 NaOH = Na3C3H4OH + 3 CH2O3
Fe(NO3)3*9(H2O) + NH4OH + C4H6O6 = (NH4)2(Fe2(C4H4O6)3) + NH4NO3 + H2O =>
8 Fe(NO3)3*9(H2O) + 34 NH4OH + 12 C4H6O6 = 4(NH4)2(Fe2(C4H4O6)3) + 25 NH4NO3 + 103 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cr2O3 + Cl2 + KOH = K2CrO4 + H2O + KCl =>
Cr2O3 + 3 Cl2 + 10 KOH = 2 K2CrO4 + 5 H2O + 6 KCl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C6H8O7 + NaHCO3 = CO2 + CH3COONa + H2O =>
4 C6H8O7 + 9 NaHCO3 = 15 CO2 + 9 CH3COONa + 7 H2O
O2 + C5H12O2 = CO2 + H2O =>
7 O2 + C5H12O2 = 5 CO2 + 6 H2O
Na4(Si(W3O10)4) + HCl = H4(Si(W3O10)4) + NaCl =>
Na4(Si(W3O10)4) + 4 HCl = H4(Si(W3O10)4) + 4 NaCl
NaHCO3H2O = H2CO3NaOH =>
NaHCO3H2O = H2CO3NaOH
CuCO3(heat) = CuOCO2 =>
CuCO3(heat) = CuOCO2
Cr = Cr2 =>
2 Cr = Cr2
CH3CHO + CH3CH2OH = CH3COH2OCH3CH2 =>
CH3CHO + CH3CH2OH = CH3COH2OCH3CH2
BaO2H2 + H2SO4 = BaSO4 + H2O =>
BaO2H2 + H2SO4 = BaSO4 + 2 H2O
SO2 + NaMnO4 + H2O = Na2SO4 + MnSO4 + H2SO4 =>
5 SO2 + 2 NaMnO4 + 2 H2O = Na2SO4 + 2 MnSO4 + 2 H2SO4
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