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2 FeS + 3 O2 = 2 FeO + 2 SO2
NH4OH + HNO3 = (NH4)NO3 + H20 =>
15 NH4OH + 5 HNO3 = 10(NH4)NO3 + 2 H20
KNO3 + AlCl3 = KCl + Al(NO3)3 =>
3 KNO3 + AlCl3 = 3 KCl + Al(NO3)3
I2 + OH{-} = IO3{-} + I{-} + H2O =>
3 I2 + 6 OH{-} = IO3{-} + 5 I{-} + 3 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
NH4OH + HNO3 = (NH4)NO3 + H2O =>
NH4OH + HNO3 = (NH4)NO3 + H2O
BaCl2 + Na2CO3 = BaCO3 + Na2Cl2 =>
BaCl2 + Na2CO3 = BaCO3 + Na2Cl2
NaCO + CaCl = NaCl + CaCO =>
NaCO + CaCl = NaCl + CaCO
BaO + CO2 = BaCO3 =>
BaO + CO2 = BaCO3
Ca(OH)2 + H3PO4 = H2O + Ca3(PO4)2 =>
3 Ca(OH)2 + 2 H3PO4 = 6 H2O + Ca3(PO4)2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l)
CaCl2 + Pb(NO3)2 = Ca(NO3)2 + PbCl2 =>
CaCl2 + Pb(NO3)2 = Ca(NO3)2 + PbCl2
Al + V2O5 = V2 + Al2O3 =>
10 Al + 3 V2O5 = 3 V2 + 5 Al2O3
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Ba(OH)2(aq) + MgCl2(aq) = BaCl2 + Mg(OH)2 =>
Ba(OH)2(aq) + MgCl2(aq) = BaCl2 + Mg(OH)2
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
H2SO3 + HgOH = Hg2SO3 + H2O =>
H2SO3 + 2 HgOH = Hg2SO3 + 2 H2O
FeCl3 + Na2S = FeS + S + NaCl =>
2 FeCl3 + 3 Na2S = 2 FeS + S + 6 NaCl
Fe(OH)2 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe(OH)2 + 4 H2SO4 = Fe2(SO4)3 + SO2 + 6 H2O
BaCO3(s) = BaO(s) + CO2(g) =>
BaCO3(s) = BaO(s) + CO2(g)
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
Na2SO3 + KMnO4 + KOH = Na2SO4 + K2MnO4 + H2O =>
Na2SO3 + 2 KMnO4 + 2 KOH = Na2SO4 + 2 K2MnO4 + H2O
PbO2 + Al = Al2O3 + Pb =>
3 PbO2 + 4 Al = 2 Al2O3 + 3 Pb
ZnCl2 + O2 = Zn(ClO3)2 =>
ZnCl2 + 3 O2 = Zn(ClO3)2
Al + KMnO4 + H2SO4 = Al2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 Al + 6 KMnO4 + 24 H2SO4 = 5 Al2(SO4)3 + 6 MnSO4 + 3 K2SO4 + 24 H2O
Na2O + SiO2 = Na + SiO3 =>
Na2O + SiO2 = 2 Na + SiO3
KNO2 + KMnO4 + H2O = KNO3 + MnO2 + KOH =>
3 KNO2 + 2 KMnO4 + H2O = 3 KNO3 + 2 MnO2 + 2 KOH
K + H2O = KOH + H =>
K + H2O = KOH + H
Cl + H2O = HCl + HClO3 =>
6 Cl + 3 H2O = 5 HCl + HClO3
HClO + NO + H2O = HCl + HNO3 =>
3 HClO + 2 NO + H2O = 3 HCl + 2 HNO3
Zn(ClO3)2 = ZnCl2 + O2 =>
Zn(ClO3)2 = ZnCl2 + 3 O2
NH3 + HNO3 = NH4NO3 =>
NH3 + HNO3 = NH4NO3
Na + C3H7Cl = NaCl + C6H14 =>
2 Na + 2 C3H7Cl = 2 NaCl + C6H14
Na2 + Fe2O3 = Na2O + Fe =>
3 Na2 + Fe2O3 = 3 Na2O + 2 Fe
LI + Cl = LICl =>
LI + Cl = LICl
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
CaClO4 + Sc2(NO3)3 = CaNO3 + Sc2(ClO4)3 =>
3 CaClO4 + Sc2(NO3)3 = 3 CaNO3 + Sc2(ClO4)3
Li + H2O = Li2O + H2 =>
2 Li + H2O = Li2O + H2
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
Cr2O3 + Mg = MgO + Cr =>
Cr2O3 + 3 Mg = 3 MgO + 2 Cr
NH3 + CO2 = CN2H4O + H2O =>
2 NH3 + CO2 = CN2H4O + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Y(NO3)3 + H2SO4 + NaOH = Y2(OH)4SO4 + Na2SO4 + HNO3 =>
2 Y(NO3)3 + 3 H2SO4 + 4 NaOH = Y2(OH)4SO4 + 2 Na2SO4 + 6 HNO3
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