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2 Cu2{+} + 2 S2O3{2-} = 4 Cu + S4O6{2-}
Cu(s) + H2SO4(l) = CuSO4(s) + SO2(g) + H2O(l) =>
Cu(s) + 2 H2SO4(l) = CuSO4(s) + SO2(g) + 2 H2O(l)
C + H2 + N2 + O2 = C3H5N3O9 =>
6 C + 5 H2 + 3 N2 + 9 O2 = 2 C3H5N3O9
Sn + H = HSn =>
Sn + H = HSn
Pb(NO3)2 + Cu(NO3)2 = Pb(NO3)2Cu(NO3)2 =>
Pb(NO3)2 + Cu(NO3)2 = Pb(NO3)2Cu(NO3)2
Ca(OH)2 + HCl(aq) = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl(aq) = CaCl2 + 2 H2O
KI + CHCl3 = I2 + KCl + CHCl2 =>
2 KI + 2 CHCl3 = I2 + 2 KCl + 2 CHCl2
Na2CrO4 = Na + CrO4 =>
Na2CrO4 = 2 Na + CrO4
FeS + HNO3 + HCl = FeCl3 + H2SO4 + NO2 + H2O =>
FeS + 9 HNO3 + 3 HCl = FeCl3 + H2SO4 + 9 NO2 + 5 H2O
CH3CHO + HCl = CH3CH2O + Cl =>
CH3CHO + HCl = CH3CH2O + Cl
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
BaO + CrO3 = BaCrO4 =>
BaO + CrO3 = BaCrO4
C4H6O4 + H2 = C4H10O2 + H2O =>
C4H6O4 + 4 H2 = C4H10O2 + 2 H2O
Pt + H2O = PtO + H2 =>
Pt + H2O = PtO + H2
C2H5COOH + Mg = (C2H5COO)Mg + H2 =>
2 C2H5COOH + 2 Mg = 2(C2H5COO)Mg + H2
Pb(NO3)2(aq) + (NH4)2S(aq) = PbS + NH4NO3(aq) =>
Pb(NO3)2(aq) + (NH4)2S(aq) = PbS + 2 NH4NO3(aq)
HS2 = H2 + S2 =>
2 HS2 = H2 + 2 S2
NH4Cl + Pb(CH3COO)2 = PbCl2 + CH3COONH4 =>
2 NH4Cl + Pb(CH3COO)2 = PbCl2 + 2 CH3COONH4
C2H5 + Fe = Fe(C2H5)2 =>
2 C2H5 + Fe = Fe(C2H5)2
B + N2 = BN3 =>
2 B + 3 N2 = 2 BN3
NaCl = Na2 + Cl2 =>
2 NaCl = Na2 + Cl2
Ca2Mg5Si8O22(OH)2 = CaO + MgO + SiO2 + H2O =>
Ca2Mg5Si8O22(OH)2 = 2 CaO + 5 MgO + 8 SiO2 + H2O
Zn + Pb(No3) = Pb + Zn(No3)2 =>
Zn + 2 Pb(No3) = 2 Pb + Zn(No3)2
C5H11NO2 + NaOH = C5H11OH + NaNO2 =>
C5H11NO2 + NaOH = C5H11OH + NaNO2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Fe(NO3)3 + C12H22O11 = Fe2O3 + N2 + CO2 + H2O =>
16 Fe(NO3)3 + 5 C12H22O11 = 8 Fe2O3 + 24 N2 + 60 CO2 + 55 H2O
Fe + H2O + O2 = (Fe(OH)3) =>
4 Fe + 6 H2O + 3 O2 = 4(Fe(OH)3)
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
CH3OH + HBr = CH4OH + Br =>
CH3OH + HBr = CH4OH + Br
SnS + H2O2 + NaOH = Na2SnS3 + Na2SnO3 + H2O =>
3 SnS + 3 H2O2 + 6 NaOH = Na2SnS3 + 2 Na2SnO3 + 6 H2O
K2SO4(aq) + MgCl2(aq) = K2Cl2 + MgSO4 =>
K2SO4(aq) + MgCl2(aq) = K2Cl2 + MgSO4
CH3OCH3 + HCl = C2H6OHCl =>
CH3OCH3 + HCl = C2H6OHCl
Br2 + OH{-} = Br{-} + BrO{-} + H2O =>
Br2 + 2 OH{-} = Br{-} + BrO{-} + H2O
NaOH(aq) + Sr(NO3)2(aq) = NaNO3(aq) + Sr(OH)2 =>
2 NaOH(aq) + Sr(NO3)2(aq) = 2 NaNO3(aq) + Sr(OH)2
C10H18O = C10H16O + H2 =>
C10H18O = C10H16O + H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
C6H8O7*H2O = C6H8O7 + H2O =>
C6H8O7*H2O = C6H8O7 + H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Se(s) + O2(g) = SeO2 =>
Se(s) + O2(g) = SeO2
HCl + Mg(OH)2 = MgCl2 + H2O =>
2 HCl + Mg(OH)2 = MgCl2 + 2 H2O
NaHCO3 + C4H6O5 = CO2 + H2O + Na =>
12 NaHCO3 + C4H6O5 = 16 CO2 + 9 H2O + 12 Na
NH4Cl + MgCO3 = MgCl2 + NH3 + CO2 + H2O =>
2 NH4Cl + MgCO3 = MgCl2 + 2 NH3 + CO2 + H2O
MgSO4 + HBr = MgBr2 + H2SO4 =>
MgSO4 + 2 HBr = MgBr2 + H2SO4
((NH4)2SO4) + KOH = K2SO4 + NH3 + H2O =>
((NH4)2SO4) + 2 KOH = K2SO4 + 2 NH3 + 2 H2O
Cu(CN)2 + O2 = CuO2 + (CN)2 =>
Cu(CN)2 + O2 = CuO2 + (CN)2
Pb(C2H3O2)2 + K3PO4 = Pb3(PO4)2 + CH3CO2K =>
3 Pb(C2H3O2)2 + 2 K3PO4 = Pb3(PO4)2 + 6 CH3CO2K
Al + KOH + H2C2O4 = K3[Al(C2O4)3]*3H2O + H2 =>
2 Al + 6 KOH + 6 H2C2O4 = 2 K3[Al(C2O4)3]*3H2O + 3 H2
Na2S + Ca(NO3)2 = Na(NO3) + CaS =>
Na2S + Ca(NO3)2 = 2 Na(NO3) + CaS
Li2O + F = LiF + O2 =>
2 Li2O + 4 F = 4 LiF + O2
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