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2 HgS2 + 4 CaO = 2 Hg + 3 CaS + CaSO4
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
CuOH + H2SO4 = CuOHSO4 + H2 =>
CuOH + H2SO4 = CuOHSO4 + H2
NaOH + Ca(OH)2 = Na(OH)3 + Ca =>
NaOH + Ca(OH)2 = Na(OH)3 + Ca
CuO + C18H34O2 = Cu + CO2 + H2O =>
51 CuO + C18H34O2 = 51 Cu + 18 CO2 + 17 H2O
F2(g) + NiBr3(aq) = NiF3(aq) + Br2(g) =>
3 F2(g) + 2 NiBr3(aq) = 2 NiF3(aq) + 3 Br2(g)
C8H9NO2 + NaOH + C4H9I = C12H17NO2 + NaI + H2O =>
C8H9NO2 + NaOH + C4H9I = C12H17NO2 + NaI + H2O
FeSO4 + Cl = Fe2(SO4)3 + FeCl3 =>
3 FeSO4 + 3 Cl = Fe2(SO4)3 + FeCl3
Al2O3 + SO3 = Al2S3O12 =>
Al2O3 + 3 SO3 = Al2S3O12
Na2BeO2 + HNO3 = NaNO3 + H2BeO2 =>
Na2BeO2 + 2 HNO3 = 2 NaNO3 + H2BeO2
IO4{-} + SO2 + OH{-} = SO4{2-} + I{-} + H2O =>
IO4{-} + 4 SO2 + 8 OH{-} = 4 SO4{2-} + I{-} + 4 H2O
Na2O + HI = NaI + H2O =>
Na2O + 2 HI = 2 NaI + H2O
Pb + FeSO4 = PbSO4 + Fe =>
Pb + FeSO4 = PbSO4 + Fe
(NH4)2CO3 + Fe2(SO4)3 = Fe2(CO3)3 + (NH4)2SO4 =>
3(NH4)2CO3 + Fe2(SO4)3 = Fe2(CO3)3 + 3(NH4)2SO4
CH3CH2CH2CH2OH + HBr = CH3CH2CH2CH2Br + H2O =>
CH3CH2CH2CH2OH + HBr = CH3CH2CH2CH2Br + H2O
SbO5 = Sb + O2 =>
2 SbO5 = 2 Sb + 5 O2
(C) + (S8) = CS2 =>
4(C) + (S8) = 4 CS2
C9H8O2 + HBr + H2O2 = C9H8Br2O2 + H2O =>
C9H8O2 + 2 HBr + H2O2 = C9H8Br2O2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C11H18O + H2O2 = CO2 + H2O =>
C11H18O + 30 H2O2 = 11 CO2 + 39 H2O
P4 + CuSO4 + KOH = Cu + HPO3 + K2SO4 + H2O =>
P4 + 10 CuSO4 + 20 KOH = 10 Cu + 4 HPO3 + 10 K2SO4 + 8 H2O
Ag2O(s) + C(s) = CO2 + Ag(s) =>
2 Ag2O(s) + C(s) = CO2 + 4 Ag(s)
CuO + Zn = ZnO + Cu =>
CuO + Zn = ZnO + Cu
Fe{3+} + FeS2 = Fe{2+} + S =>
2 Fe{3+} + FeS2 = 3 Fe{2+} + 2 S
KHC2O4 + KOH = H2O + K2C2O4 =>
KHC2O4 + KOH = H2O + K2C2O4
K + H3Po4 = H2 + K3Po4 =>
6 K + 2 H3Po4 = 3 H2 + 2 K3Po4
Mg + Ca(OH)2 = Ca + Mg(OH) =>
2 Mg + Ca(OH)2 = Ca + 2 Mg(OH)
Ag2O(s) + C(s) = CO2 + Ag(s) =>
2 Ag2O(s) + C(s) = CO2 + 4 Ag(s)
AgNO3 + FeSCN{2+} = AgSCN + FeNO3{2+} =>
AgNO3 + FeSCN{2+} = AgSCN + FeNO3{2+}
HCOOH + H{+} + Cr2O72{-} = CO2 + H2O + Cr3{+} =>
427 HCOOH + 10 H{+} + 6 Cr2O72{-} = 427 CO2 + 432 H2O + 4 Cr3{+}
CuO + Zn = ZnO + Cu =>
CuO + Zn = ZnO + Cu
NaSO4 + BaCl = NaClBaSO4 =>
NaSO4 + BaCl = NaClBaSO4
Ba + ClO3 = BaClO3 =>
Ba + ClO3 = BaClO3
C4H4O3 + H2O = C4H6O4 =>
C4H4O3 + H2O = C4H6O4
MnCO3 + O2 = MnO3 + CO2 =>
MnCO3 + O2 = MnO3 + CO2
Na2O + Si = Na2SiO3 + Na4Si =>
3 Na2O + 2 Si = Na2SiO3 + Na4Si
CH3COOH + NH4Cl = NH4CH3COO + HCl =>
CH3COOH + NH4Cl = NH4CH3COO + HCl
CO2 + NH2 = OC(NH)2 + H2O =>
CO2 + 2 NH2 = OC(NH)2 + H2O
SO4H2 = SO4 + H =>
SO4H2 = SO4 + 2 H
SnCl2 + NaHCO3 = Sn(OH)2 + CO2 + NaCl =>
SnCl2 + 2 NaHCO3 = Sn(OH)2 + 2 CO2 + 2 NaCl
KNO2 + HClO3 = KNO3 + HCl =>
3 KNO2 + HClO3 = 3 KNO3 + HCl
NiC2O4*2(H2O) + O2 = NiO + H2O + CO2 =>
2 NiC2O4*2(H2O) + O2 = 2 NiO + 4 H2O + 4 CO2
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
CI2 + KI = KCI + I2 =>
CI2 + KI = KCI + I2
Cu(s) + H2O(l) + CO2(g) + O2(g) = CuCO3*Cu(OH)2(s) =>
2 Cu(s) + H2O(l) + CO2(g) + O2(g) = CuCO3*Cu(OH)2(s)
Mg(NO3)2(aq) + K(s) = Mg(s) + KNO3(aq) =>
Mg(NO3)2(aq) + 2 K(s) = Mg(s) + 2 KNO3(aq)
(CH3)3CCl + AgNO3 = AgCl + (CH3)3CONO2 =>
(CH3)3CCl + AgNO3 = AgCl + (CH3)3CONO2
AgClO3(aq) + KCl(aq) = AgCl + KClO3 =>
AgClO3(aq) + KCl(aq) = AgCl + KClO3
Ba(NO3)2 + Mg(SO4) = Ba(SO4) + Mg(NO3)2 =>
Ba(NO3)2 + Mg(SO4) = Ba(SO4) + Mg(NO3)2
CH3CHO + Na2CO3 = C2H5COONa + CO2 + H2O =>
14 CH3CHO + 5 Na2CO3 = 10 C2H5COONa + 3 CO2 + 3 H2O
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