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H2SiO3 + Fe(OH)2 = Fe(SiO3) + 2 H2O
KMnO4 + H2SO4 = K2SO4 + Mn + SO4 + H2O =>
2 KMnO4 + 8 H2SO4 = K2SO4 + 2 Mn + 7 SO4 + 8 H2O
FeCl3 + SnCl2 = SnCl4 + FeCl2 =>
2 FeCl3 + SnCl2 = SnCl4 + 2 FeCl2
Cu + MgCl2 = CuCl2 + Mg =>
Cu + MgCl2 = CuCl2 + Mg
KCl + K2SO4 + H2O = KOH + KClO4 + SO2 =>
KCl + 4 K2SO4 + 4 H2O = 8 KOH + KClO4 + 4 SO2
AgNO3 + NaCl + KCl = AgCl + NO3 + NaK =>
2 AgNO3 + NaCl + KCl = 2 AgCl + 2 NO3 + NaK
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Br{-} + Cr2O72{-} + H{+} = Cr3{+} + Br2 + H2O =>
854 Br{-} + 6 Cr2O72{-} + 864 H{+} = 4 Cr3{+} + 427 Br2 + 432 H2O
Ca(OH)2 + Al2(SO4)3 = Al(OH)3 + CaSO4 =>
3 Ca(OH)2 + Al2(SO4)3 = 2 Al(OH)3 + 3 CaSO4
Ti + Al2O3 = TiO2 + Al =>
3 Ti + 2 Al2O3 = 3 TiO2 + 4 Al
H2SO4 + NaC2H5O = Na2SO4 + C2H6O =>
H2SO4 + 2 NaC2H5O = Na2SO4 + 2 C2H6O
Zn + CuSO4 = Zn(SO4)2 + Cu =>
Zn + 2 CuSO4 = Zn(SO4)2 + 2 Cu
NaHCo3 + HCl + O2 = NaCl + Co2 + H2O =>
2 NaHCo3 + 2 HCl + O2 = 2 NaCl + 3 Co2 + 2 H2O
Mg2 + H2O = MgO + H2 =>
Mg2 + 2 H2O = 2 MgO + 2 H2
C5H5CH3 + O2 = CO2 + H2O =>
C5H5CH3 + 8 O2 = 6 CO2 + 4 H2O
C6H3Br3O + NaOH = C6H2Br3O{-} + H2O + Na{+} =>
C6H3Br3O + NaOH = C6H2Br3O{-} + H2O + Na{+}
Ag(NO3) + (NH4)2CO3 = Ag2CO3 + NH4NO3 =>
2 Ag(NO3) + (NH4)2CO3 = Ag2CO3 + 2 NH4NO3
Fe + S = FeS =>
Fe + S = FeS
Pt + O2 = PtO2 =>
Pt + O2 = PtO2
Fe + Au2(SO4)3 = Fe2(SO4)3 + Au =>
2 Fe + Au2(SO4)3 = Fe2(SO4)3 + 2 Au
NaF + Mg(C2H3O2)2 = MgF2 + Na(C2H3O2) =>
2 NaF + Mg(C2H3O2)2 = MgF2 + 2 Na(C2H3O2)
Cu + SO2 + HCl = CuCl2 + H2O + S =>
2 Cu + SO2 + 4 HCl = 2 CuCl2 + 2 H2O + S
CO2(g) + NH3(g) = NH2CONH2 + H2O =>
CO2(g) + 2 NH3(g) = NH2CONH2 + H2O
CaC2O4(s) + HCl(aq) = CaCl2(aq) + H2C2O4(aq) =>
CaC2O4(s) + 2 HCl(aq) = CaCl2(aq) + H2C2O4(aq)
Ca5(PO4)3F + H2SO4 = H3PO4 + HF + CaSO4 =>
Ca5(PO4)3F + 5 H2SO4 = 3 H3PO4 + HF + 5 CaSO4
Cu(OH)2 + C3H8O3 = Cu(C3H8O3)2(OH)2 =>
Cu(OH)2 + 2 C3H8O3 = Cu(C3H8O3)2(OH)2
Be(OH)2(aq) + HBr(aq) = BeBr2 + H2O =>
Be(OH)2(aq) + 2 HBr(aq) = BeBr2 + 2 H2O
CH3CH2OH + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
CH3CH2OH + 4 KMnO4 + 5 KOH = CH3COOK + 4 K2MnO4 + 4 H2O
Na(s) + H2O(l) = H2(g) + NaOH(aq) =>
2 Na(s) + 2 H2O(l) = H2(g) + 2 NaOH(aq)
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
K2CO3 + H3PO4 = H2CO3 + KH2PO4 =>
K2CO3 + 2 H3PO4 = H2CO3 + 2 KH2PO4
As + Cl2 + NaOH = Na3AsO4 + NaCl + H2O =>
2 As + 5 Cl2 + 16 NaOH = 2 Na3AsO4 + 10 NaCl + 8 H2O
C3H7Cl + H2O = C3H8O + HCl =>
C3H7Cl + H2O = C3H8O + HCl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CuS + HCl = CuCl + HS =>
CuS + HCl = CuCl + HS
BrF + H2O = HBr + HOF =>
BrF + H2O = HBr + HOF
NH4 + NaOH = NH4(OH) + Na =>
NH4 + NaOH = NH4(OH) + Na
(d)C2H2(g) + O2(g) = CO2(g) + H2O(l) =>
2(d)C2H2(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(l)
Ca(OH)2 + H3PO4 = Ca5(PO4)3OH + H2O =>
5 Ca(OH)2 + 3 H3PO4 = Ca5(PO4)3OH + 9 H2O
(d)C2H2(g) + O2(g) = CO2(g) + H2O(l) =>
2(d)C2H2(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(l)
TiCl4 + H2O2 + H2SO4 + H2O = (TiO2)2SO4 + HCl =>
2 TiCl4 + H2O2 + H2SO4 + 2 H2O = (TiO2)2SO4 + 8 HCl
CaH2 + H2O = CaOH + H =>
CaH2 + H2O = CaOH + 3 H
CuCl2 + K2S = Cu2S + KCl + S =>
2 CuCl2 + 2 K2S = Cu2S + 4 KCl + S
K2SiO3 + Na2CO3 = Na2SiO3 + K2CO3 =>
K2SiO3 + Na2CO3 = Na2SiO3 + K2CO3
CuCO3 + CaO = CuO + CaCO3 =>
CuCO3 + CaO = CuO + CaCO3
PB + H2S = PBS + H2 =>
PB + H2S = PBS + H2
A2B3 + DE = AE3 + D2B =>
A2B3 + 6 DE = 2 AE3 + 3 D2B
AgNO3 + K2CrO4 = KNO3 + Ag2CrO4 =>
2 AgNO3 + K2CrO4 = 2 KNO3 + Ag2CrO4
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