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2 Zn + H2S = Zn2S + H2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Pb(NO3)2 + Na2SO4 = PbSO4 + Na2(NO3)2 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + Na2(NO3)2
MnSO4 + Na2S2O3 + H2O = MnS2 + NaOH + SO2 =>
MnSO4 + 3 Na2S2O3 + 3 H2O = MnS2 + 6 NaOH + 5 SO2
K + Cu(OH) = KOH + Cu =>
K + Cu(OH) = KOH + Cu
H2H4 + N2O4 = N2 + H2O =>
4 H2H4 + 3 N2O4 = 3 N2 + 12 H2O
AgNo3 + NaCrO4 = AgCrO4 + NaNo3 =>
AgNo3 + NaCrO4 = AgCrO4 + NaNo3
(NH4)2SO4 = H2SO4 + NH3 =>
(NH4)2SO4 = H2SO4 + 2 NH3
Zn + CO2 + H2O = ZnO + HCOOH =>
Zn + CO2 + H2O = ZnO + HCOOH
Pb2PbO4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb2PbO4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
NH3 + CoCl2 = CoH3 + NCl2 =>
NH3 + CoCl2 = CoH3 + NCl2
Cr2(SO4)3 + CsOH = Cs3[Cr(OH)6] + Cs2SO4 =>
Cr2(SO4)3 + 12 CsOH = 2 Cs3[Cr(OH)6] + 3 Cs2SO4
CdS + HNO3 = Cd{2+} + NO2 + SO4{2-} + H2 =>
CdS + 4 HNO3 = Cd{2+} + 4 NO2 + SO4{2-} + 2 H2
HCl + NH4Br = NH4Cl + HBr =>
HCl + NH4Br = NH4Cl + HBr
Mg + HNO3 = Mg(NO3) + N02 + H2O =>
10 Mg + 12 HNO3 = 10 Mg(NO3) + N02 + 6 H2O
CuBr2 + Fe = CuFe + Br2 =>
CuBr2 + Fe = CuFe + Br2
HNO3 + Na(s) = NaNO3 + H2 =>
2 HNO3 + 2 Na(s) = 2 NaNO3 + H2
H2SO4 + Ti(OH)4 = Ti(OH)2SO4 + H2O =>
H2SO4 + Ti(OH)4 = Ti(OH)2SO4 + 2 H2O
K2CO3 + CaO = K2O + CaCO3 =>
K2CO3 + CaO = K2O + CaCO3
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
Na2S2O3 + HBr = NaBr + H2O + S + SO2 =>
Na2S2O3 + 2 HBr = 2 NaBr + H2O + S + SO2
Mg + Cu(CH3COO)2 = MgCH3COO + Cu =>
2 Mg + Cu(CH3COO)2 = 2 MgCH3COO + Cu
CH3CHCH2 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
3 CH3CHCH2 + 2 KMnO4 + 4 H2O = 2 MnO2 + 3 CH3CH(OH)CH2(OH) + 2 KOH
Os3 + O2 = OsO =>
2 Os3 + 3 O2 = 6 OsO
H2 + C6H4O2 = C6H5O2 =>
H2 + 2 C6H4O2 = 2 C6H5O2
NaOH + CaCl2 = NaCl2 + Ca(OH) =>
NaOH + CaCl2 = NaCl2 + Ca(OH)
Ag + HI = H + AgI =>
Ag + HI = H + AgI
MnO2 + HBr = Br2 + MnBr2 + H2O =>
MnO2 + 4 HBr = Br2 + MnBr2 + 2 H2O
Al + CUSO4 = Al2(SO4)3 + CU =>
2 Al + 3 CUSO4 = Al2(SO4)3 + 3 CU
Fe(NO3)3 + Ag2SO4 = Fe2(SO4)3 + AgNO3 =>
2 Fe(NO3)3 + 3 Ag2SO4 = Fe2(SO4)3 + 6 AgNO3
KMnO4 + Na3PO3 + H2SO4 = Na3PO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Na3PO3 + 3 H2SO4 = 5 Na3PO4 + 2 MnSO4 + K2SO4 + 3 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
NaOH + H2O = NaH2O(OH) =>
NaOH + H2O = NaH2O(OH)
Ca(OH)2 + Hg2(NO3)2 = Hg(OH)2 + Ca(NO3) =>
2 Ca(OH)2 + Hg2(NO3)2 = 2 Hg(OH)2 + 2 Ca(NO3)
CO(NH2)2 + OBr{-} = CO2 + N2 + Br{-} + H2O =>
CO(NH2)2 + 3 OBr{-} = CO2 + N2 + 3 Br{-} + 2 H2O
Al2(SO4)3(aq) + Ca(NO3)2(aq) = Al(NO3)3(aq) + CaSO4(g) =>
Al2(SO4)3(aq) + 3 Ca(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 CaSO4(g)
C3H7COOH + Ba(OH)2 = (C3H7COO)2Ba + H2O =>
2 C3H7COOH + Ba(OH)2 = (C3H7COO)2Ba + 2 H2O
Pb + HF = PbF2 + H2 =>
Pb + 2 HF = PbF2 + H2
NiSO4 + SrCl2 = NiCl2 + SrSO4 =>
NiSO4 + SrCl2 = NiCl2 + SrSO4
LiOHFe(NO3)2 = Li(NO3)2FeOH =>
LiOHFe(NO3)2 = Li(NO3)2FeOH
Cu + H2O2 + H{+} = Cu2{+} + H2O =>
4 Cu + H2O2 + 2 H{+} = 2 Cu2{+} + 2 H2O
I2 + NO3 = IO4 + NO =>
I2 + 4 NO3 = 2 IO4 + 4 NO
C3H6 + O2 = H2O + CO2 =>
2 C3H6 + 9 O2 = 6 H2O + 6 CO2
K2MnO4 = K3MnO4 + MnO2 + O2 =>
3 K2MnO4 = 2 K3MnO4 + MnO2 + O2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
ZnSSO2 = ZnSO2S =>
ZnSSO2 = ZnSO2S
HS + SO2 = S + H2O =>
4 HS + SO2 = 5 S + 2 H2O
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
H{+} + MnO4{-} + Mo{+3} = Mn{2+} + MoO2{2+} + H2O =>
4 H{+} + 3 MnO4{-} + 5 Mo{+3} = 3 Mn{2+} + 5 MoO2{2+} + 2 H2O
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