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H2S + Fe2O3 = 2 FeO + H2O + S
Fe(NO3)2 + NH3 + H2O = Fe(OH)2 + NH4NO3 =>
Fe(NO3)2 + 2 NH3 + 2 H2O = Fe(OH)2 + 2 NH4NO3
Pb(CH3COO)2 + Na2SO4 = PbSO4 + Na(CH3COO) =>
Pb(CH3COO)2 + Na2SO4 = PbSO4 + 2 Na(CH3COO)
CuSO4 + Fe(s) = Cu(s) + Fe2(SO4)3 =>
3 CuSO4 + 2 Fe(s) = 3 Cu(s) + Fe2(SO4)3
Fe + H2O2 = Fe(OH)3 =>
2 Fe + 3 H2O2 = 2 Fe(OH)3
HClO + Ba(OH)2 = Ba(ClO)2 + H2O =>
2 HClO + Ba(OH)2 = Ba(ClO)2 + 2 H2O
Pb + Zn(CH3CO2)2 = Zn + Pb(CH3CO2) =>
2 Pb + Zn(CH3CO2)2 = Zn + 2 Pb(CH3CO2)
PH3 + NaMnO4 + NaOH = Na2MnO4 + Na3PO4 + H2O =>
PH3 + 8 NaMnO4 + 11 NaOH = 8 Na2MnO4 + Na3PO4 + 7 H2O
Cr + H = CrH =>
Cr + H = CrH
Sc(OH)3 + H2CO3 = Sc2(CO3)3 + H2O =>
2 Sc(OH)3 + 3 H2CO3 = Sc2(CO3)3 + 6 H2O
Na2S + Ni(NO3)2 = Na2(NO3)2 + NiS =>
Na2S + Ni(NO3)2 = Na2(NO3)2 + NiS
Na2CO3 + C6H8O7 = NaC6H7O7 + CO2 + H2O =>
Na2CO3 + 2 C6H8O7 = 2 NaC6H7O7 + CO2 + H2O
CuSO4 + H2S = CuS + H2SO4 =>
CuSO4 + H2S = CuS + H2SO4
CaCl2(aq) + Na3PO4(aq) = Ca3(PO4)2(s) + NaCl(aq) =>
3 CaCl2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2(s) + 6 NaCl(aq)
KMnO4 + K2S2O3 + H2O = MnO2 + K2SO4 + KOH =>
8 KMnO4 + 3 K2S2O3 + H2O = 8 MnO2 + 6 K2SO4 + 2 KOH
Mg(NO3)2 + H2O = MgO + HNO3 =>
Mg(NO3)2 + H2O = MgO + 2 HNO3
C3H7Br + H2O = C3H8O + HBr =>
C3H7Br + H2O = C3H8O + HBr
SO2(g) + NaOH(aq) = Na2SO3 + H2O =>
SO2(g) + 2 NaOH(aq) = Na2SO3 + H2O
CCl4 + H2 = CCl3H + HCl =>
CCl4 + H2 = CCl3H + HCl
ClNa + AgNO3 = ClNO3 + AgNa =>
ClNa + AgNO3 = ClNO3 + AgNa
SnCl2 + NaOH = Na2SnO2 + NaCl + H2O =>
SnCl2 + 4 NaOH = Na2SnO2 + 2 NaCl + 2 H2O
CH3I + KOH = CH3OH + KI =>
CH3I + KOH = CH3OH + KI
Cu + H(SO4) = Cu(SO4) + H2O + SO2 =>
3 Cu + 4 H(SO4) = 3 Cu(SO4) + 2 H2O + SO2
CH3COOH + NH3 = NH4CH3COO =>
CH3COOH + NH3 = NH4CH3COO
Hg + FeCl3 = HgCl + Fe =>
3 Hg + FeCl3 = 3 HgCl + Fe
NH3 + O3 = N2 + H2O =>
2 NH3 + O3 = N2 + 3 H2O
KO2 + NO2 = KNO3 + O2 =>
2 KO2 + 2 NO2 = 2 KNO3 + O2
Cu + Br2 = CuBr2 =>
Cu + Br2 = CuBr2
MnCl2 + KBrO3 + KOH = MnO2 + KBr + KCl + H2O =>
3 MnCl2 + KBrO3 + 6 KOH = 3 MnO2 + KBr + 6 KCl + 3 H2O
CrO(O2)2 + H3O{+} = Cr{3+} + H2O + O2 =>
4 CrO(O2)2 + 12 H3O{+} = 4 Cr{3+} + 18 H2O + 7 O2
K2[HgI4] + NaOH = HgO + KI + NaI + H2O =>
K2[HgI4] + 2 NaOH = HgO + 2 KI + 2 NaI + H2O
V2(SO4)3 + KMnO4 + H2O = VOSO4 + MnO2 + K2SO4 + H2SO4 =>
3 V2(SO4)3 + 2 KMnO4 + 2 H2O = 6 VOSO4 + 2 MnO2 + K2SO4 + 2 H2SO4
Br + BaI2 = BrI + Ba =>
2 Br + BaI2 = 2 BrI + Ba
Sn2 + (ClO3) = SnCl2 + O2 =>
Sn2 + 4(ClO3) = 2 SnCl2 + 6 O2
CrO3 + NH3 = Cr2O3 + N2 + H2O2 =>
4 CrO3 + 2 NH3 = 2 Cr2O3 + N2 + 3 H2O2
C7H16 = C4H10 + C6H12 =>
2 C7H16 = 2 C4H10 + C6H12
Ca(H2PO4)2 = Ca3(PO4)2 + H3PO4 =>
3 Ca(H2PO4)2 = Ca3(PO4)2 + 4 H3PO4
K2Cr2O7 + K2S + H2O = K3[Cr(OH)6] + S + KOH =>
K2Cr2O7 + 3 K2S + 7 H2O = 2 K3[Cr(OH)6] + 3 S + 2 KOH
Mg(s) + CuSO4(Ac) = MgSO4(Ac) + Cu(s) =>
Mg(s) + CuSO4(Ac) = MgSO4(Ac) + Cu(s)
H2O + H2SO3 = H3O + H2SO4 =>
3 H2O + H2SO3 = 2 H3O + H2SO4
Ag(s) + HCl(aq) = AgCl + H2 =>
2 Ag(s) + 2 HCl(aq) = 2 AgCl + H2
Co2(CO3)3 + H3O{+} = Co{3+} + CO2 + H2O =>
Co2(CO3)3 + 6 H3O{+} = 2 Co{3+} + 3 CO2 + 9 H2O
Pt + HNO3 = Pt(NO3)2 + H2 =>
Pt + 2 HNO3 = Pt(NO3)2 + H2
KCN + CuI = CuCN + KI =>
KCN + CuI = CuCN + KI
NaHCO3(aq) + AgNO3(aq) = Ag2CO3(s) + NaNO3(aq) + HNO3(aq) =>
NaHCO3(aq) + 2 AgNO3(aq) = Ag2CO3(s) + NaNO3(aq) + HNO3(aq)
I + OCl = Cl + OI =>
I + OCl = Cl + OI
CaCl2 + K3AsO4 = Ca3(AsO4)2 + KCl =>
3 CaCl2 + 2 K3AsO4 = Ca3(AsO4)2 + 6 KCl
C6H6 + CH3Cl = C6H6CH3 + HCl =>
5 C6H6 + 12 CH3Cl = 6 C6H6CH3 + 12 HCl
SO2 + CaCO3 + O2 + H2O = CaSO4*2H2O + CO2 =>
2 SO2 + 2 CaCO3 + O2 + 4 H2O = 2 CaSO4*2H2O + 2 CO2
CO + KOH = K2CO2 + H2O =>
CO + 2 KOH = K2CO2 + H2O
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