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H2SO4 + Na2SO3 = Na2SO4 + SO2 + H2O
Fe(OH)2 + O2 + H2O = Fe(OH)3 = =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
Fe2O4 + CO = FeOCO2 =>
Fe2O4 + 2 CO = 2 FeOCO2
Cu(OH)4 = CuO + OH + H2O =>
Cu(OH)4 = CuO + 2 OH + H2O
NH4Cl + CsOH = NH4OH + CsCl =>
NH4Cl + CsOH = NH4OH + CsCl
Co2 + C = CoC =>
Co2 + 2 C = 2 CoC
CaCO3 + LiCl3 = CaCl2 + Li2(CO3)3 =>
3 CaCO3 + 2 LiCl3 = 3 CaCl2 + Li2(CO3)3
Fe(OH)2Cl + HCl = FeCl3 + H2O =>
Fe(OH)2Cl + 2 HCl = FeCl3 + 2 H2O
Zn(HCOO)2 + H2SO4 = ZnSO4 + CH2O2 =>
Zn(HCOO)2 + H2SO4 = ZnSO4 + 2 CH2O2
KAl(SO4)2 + K2S + H2O = Al(OH)3 + H2S + K2SO4 =>
2 KAl(SO4)2 + 3 K2S + 6 H2O = 2 Al(OH)3 + 3 H2S + 4 K2SO4
Pb + H2 = PbH4 =>
Pb + 2 H2 = PbH4
Fe(OH)2 + HCl = FeCl(OH) + H2O =>
Fe(OH)2 + HCl = FeCl(OH) + H2O
IO + H2O = H2IO2 =>
IO + H2O = H2IO2
CuO + NH = Cu + NO + H2O =>
3 CuO + 2 NH = 3 Cu + 2 NO + H2O
IO + H2O = I2 + OH =>
2 IO + 2 H2O = I2 + 4 OH
HNO2 + HI = N2O + I2 + H2O =>
2 HNO2 + 4 HI = N2O + 2 I2 + 3 H2O
CaCO3 + KH2PO4 = Ca(KHPO4)2 + CO2 + H2O =>
CaCO3 + 2 KH2PO4 = Ca(KHPO4)2 + CO2 + H2O
(NH4)3(PO4) + HCl = NH4Cl + H3PO4 =>
(NH4)3(PO4) + 3 HCl = 3 NH4Cl + H3PO4
ZnS + Pb2O = Zn + Pb + SO2 =>
ZnS + 2 Pb2O = Zn + 4 Pb + SO2
IO + H2O = I + OH =>
IO + H2O = I + 2 OH
HI + Ca(OH)2 = CaI2 + H2O =>
2 HI + Ca(OH)2 = CaI2 + 2 H2O
Mg + HCl = Mg(Cl) + H =>
Mg + HCl = Mg(Cl) + H
K2Cr2O7 + H2SO4 = Cr(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 = 2 Cr(SO4)3 + K2SO4 + 7 H2O
BaSO4 + HNO3 = Ba(NO3)2 + H2SO4 =>
BaSO4 + 2 HNO3 = Ba(NO3)2 + H2SO4
H2O2 + CuO = CuO2 + H2O =>
H2O2 + CuO = CuO2 + H2O
IO + H2O = HIO + OH =>
IO + H2O = HIO + OH
Ca + O2 = CaO = = =>
2 Ca + O2 = 2 CaO
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
Fe + CO = CO2 + FeC =>
Fe + 2 CO = CO2 + FeC
Cu(OH)2 + KI = Cu2I2 + I2 + KOH =>
2 Cu(OH)2 + 4 KI = Cu2I2 + I2 + 4 KOH
NaClO3 + NaHSO3 = NaSO4 + NaCl + H2O =>
NaClO3 + 2 NaHSO3 = 2 NaSO4 + NaCl + H2O
ZnS + Pb2O = Zn + Pb + SO2 =>
ZnS + 2 Pb2O = Zn + 4 Pb + SO2
hydrochloricacid + Na2SO4 = NaCl + H2SO4 =>
2 HCl + Na2SO4 = 2 NaCl + H2SO4
KMnO4 + HCl = KCl + MnCl2 + Cl2 + H20O =>
2 KMnO4 + 160 HCl = 2 KCl + 2 MnCl2 + 77 Cl2 + 8 H20O
C8H16 + O = CO2 + H2O =>
C8H16 + 24 O = 8 CO2 + 8 H2O
Mn(aq) + BiO3(aq) = MnO4(aq) + Bi(aq) =>
3 Mn(aq) + 4 BiO3(aq) = 3 MnO4(aq) + 4 Bi(aq)
KCH3COO + Na2CrO4 = K2CrO4 + NaCH3COO =>
2 KCH3COO + Na2CrO4 = K2CrO4 + 2 NaCH3COO
BiF3 + F2 = BiF5 =>
BiF3 + F2 = BiF5
Pb(ClO3)2 + Rb2CrO4 = RbClO3 + PbCrO4 =>
Pb(ClO3)2 + Rb2CrO4 = 2 RbClO3 + PbCrO4
Cr2O3Al2 = Al2O3Cr2 =>
Cr2O3Al2 = Al2O3Cr2
Ca(NO3)2*4H2O + Na2SiO3*5H2O + HCl = Na4Ca4Si6O18 + H2O + O2 + NaCl + NH3 =>
4 Ca(NO3)2*4H2O + 6 Na2SiO3*5H2O + 8 HCl = Na4Ca4Si6O18 + 38 H2O + 16 O2 + 8 NaCl + 8 NH3
K2SO4(ac) + NaNO3(ac) = KNO3(ac) + Na2SO4(ac) =>
K2SO4(ac) + 2 NaNO3(ac) = 2 KNO3(ac) + Na2SO4(ac)
Cu(SO4) = CuSO4 =>
Cu(SO4) = CuSO4
Pb(NO3)2 + Cu(SO4)2 = Pb(SO4)2 + Cu(NO3)2 =>
Pb(NO3)2 + Cu(SO4)2 = Pb(SO4)2 + Cu(NO3)2
HNO3Na = NaOHNO2 =>
HNO3Na = NaOHNO2
N + O = NO =>
N + O = NO
PtO2 + HCl = PtCl4 + H2O =>
PtO2 + 4 HCl = PtCl4 + 2 H2O
Si + KOH + H2O = K2SiO3 + H2 =>
Si + 2 KOH + H2O = K2SiO3 + 2 H2
[Co(NH3)6]2(SO4)3 + H2 + H2SO4 = (NH4)2SO4 + Co =>
[Co(NH3)6]2(SO4)3 + 3 H2 + 3 H2SO4 = 6(NH4)2SO4 + 2 Co
CH3CH2Br + KCN = CH3CH2CN + KBr =>
CH3CH2Br + KCN = CH3CH2CN + KBr
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