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2 H2S2(g) + SO2(g) = 5 S(s) + 2 H2O(l)
FeSO4 + KMnO4 + H2O = Fe(OH)3 + Fe(SO4)3 + KOH + MnO2 =>
3 FeSO4 + 2 KMnO4 + 4 H2O = 2 Fe(OH)3 + Fe(SO4)3 + 2 KOH + 2 MnO2
Zn(s) + Pb(NO3)(aq) = Pb(s) + Zn(NO3)2(aq) =>
Zn(s) + 2 Pb(NO3)(aq) = 2 Pb(s) + Zn(NO3)2(aq)
NiClO3 = NiClO2 + O2 =>
2 NiClO3 = 2 NiClO2 + O2
N2H3 + NO2 = N + H2O =>
4 N2H3 + 3 NO2 = 11 N + 6 H2O
CoCl3 + AgNO3 = CoNO3 + AgCl3 =>
CoCl3 + AgNO3 = CoNO3 + AgCl3
C6H8N + N2O2 + C6H5NO = C18H18N6 + O2 =>
2 C6H8N + 3 N2O2 + 4 C6H5NO = 2 C18H18N6 + 5 O2
C4H9OH + C17H35COOH = C4H9COOC17H35 + H2O =>
C4H9OH + C17H35COOH = C4H9COOC17H35 + H2O
Hg{+} + O2{2} = O2{+} + Hg{2} =>
Hg{+} + O2{2} = O2{+} + Hg{2}
P4(s) + NaOH(s) + H2O(l) = PH3(g) + Na2HPO3(aq) =>
P4(s) + 4 NaOH(s) + 2 H2O(l) = 2 PH3(g) + 2 Na2HPO3(aq)
Al + ZnCl2 = Al2Cl3 + Zn =>
4 Al + 3 ZnCl2 = 2 Al2Cl3 + 3 Zn
HgNO32 = Hg + NO2 + O2 =>
HgNO32 = Hg + NO2 + 15 O2
A3 + B + C2 = ABC =>
2 A3 + 6 B + 3 C2 = 6 ABC
Ammonia + Hydrogenchloride = Ammoniumchloride =>
NH3 + HCl = NH4Cl
Zn + AsO3{3-} + H{+} = Zn{2+} + AsH3 + H2O =>
3 Zn + AsO3{3-} + 9 H{+} = 3 Zn{2+} + AsH3 + 3 H2O
I + H2O = IH2O =>
I + H2O = IH2O
HClO + Mg(OH) = MgClO + H2O =>
HClO + Mg(OH) = MgClO + H2O
Zn(s) + Pb(NO3)(aq) = Pb(s) + Zn(NO3)2(aq) =>
Zn(s) + 2 Pb(NO3)(aq) = 2 Pb(s) + Zn(NO3)2(aq)
Cu(NO3)2 + Pb = Cu(NO3)2Pb =>
Cu(NO3)2 + Pb = Cu(NO3)2Pb
KI + K2CrO4 + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KI + 2 K2CrO4 + 8 H2SO4 = 3 I2 + Cr2(SO4)3 + 5 K2SO4 + 8 H2O
Zn(s) + Pb(NO3)(aq) = Pb(s) + Zn(NO3)2(aq) =>
Zn(s) + 2 Pb(NO3)(aq) = 2 Pb(s) + Zn(NO3)2(aq)
Pb + Na3PO4 = Pb3PO4 + Na =>
3 Pb + Na3PO4 = Pb3PO4 + 3 Na
BeO + NH3 = BeN2H4 + H2O =>
BeO + 2 NH3 = BeN2H4 + H2O
Cl + LiBr = LiCl + Br2 =>
2 Cl + 2 LiBr = 2 LiCl + Br2
CO + Fe2O3 = Fe + CO22 =>
CO + 7 Fe2O3 = 14 Fe + CO22
HNO2 + KOH = KNO2 + H2O =>
HNO2 + KOH = KNO2 + H2O
C8N2H6O2 + O2 = N2 + CO2 + H2O =>
2 C8N2H6O2 + 17 O2 = 2 N2 + 16 CO2 + 6 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Ni + NO3 + PbBr4 = NiBr3 + PbNO3 =>
4 Ni + 3 NO3 + 3 PbBr4 = 4 NiBr3 + 3 PbNO3
ZnZn + CrCl3 = Cr + ZnCl2 =>
3 ZnZn + 4 CrCl3 = 4 Cr + 6 ZnCl2
NaCl + Fe = FeCl2 + Na =>
2 NaCl + Fe = FeCl2 + 2 Na
AuBr3 = Au + Br3 =>
AuBr3 = Au + Br3
Na2Cr2O7 + H2SO4 = Na2Cr2(SO4)7 + H2O =>
Na2Cr2O7 + 7 H2SO4 = Na2Cr2(SO4)7 + 7 H2O
Cr(SO4)3 + H2O = CrSO4 + H2SO4 + O2 =>
Cr(SO4)3 + 2 H2O = CrSO4 + 2 H2SO4 + O2
{-} + O2 + H{+} = H2O2 =>
2e + O2 + 2 H{+} = H2O2
C6H13COOH + Na2SiO3 = C6H13COONa + H2SiO3 =>
2 C6H13COOH + Na2SiO3 = 2 C6H13COONa + H2SiO3
H2O + O = H2O2 =>
H2O + O = H2O2
CaC2 + H2O = C2H2CaO =>
CaC2 + H2O = C2H2CaO
AgCl + Ca(OH)2 = CaCl2 + AgOH =>
2 AgCl + Ca(OH)2 = CaCl2 + 2 AgOH
Br2 + CdI2 = CdBr2 + I2 =>
Br2 + CdI2 = CdBr2 + I2
NaHCO3(s) + H2SO4(aq) = Na2SO4(aq) + H2O(aq)CO2(g) =>
2 NaHCO3(s) + H2SO4(aq) = Na2SO4(aq) + 2 H2O(aq)CO2(g)
K2O2(s) + H2O(l) = KOH(aq) + H2O2(aq) =>
K2O2(s) + 2 H2O(l) = 2 KOH(aq) + H2O2(aq)
H2 + SO4 + NaHCO3 = NaSO4 + CO2 + H2O =>
H2 + 2 SO4 + 2 NaHCO3 = 2 NaSO4 + 2 CO2 + 2 H2O
B + SiO2 = B2O3 + Si =>
4 B + 3 SiO2 = 2 B2O3 + 3 Si
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
Ca(OH)2 + H2SO4 = CaSO4 + HOH =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 HOH
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
HCOOH + NaHCO3 = NaHCOO + CO2 + H2O =>
HCOOH + NaHCO3 = NaHCOO + CO2 + H2O
Br2 + KNO3 + H2O = KBrO3 + KBr + HNO3 =>
3 Br2 + 6 KNO3 + 3 H2O = KBrO3 + 5 KBr + 6 HNO3
NaOCH3 + NH4Cl = NaCl + NH4OCH3 =>
NaOCH3 + NH4Cl = NaCl + NH4OCH3
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