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2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
K2SO4 + Ca(NH4)2 = KNH4 + CaSO4 =>
K2SO4 + Ca(NH4)2 = 2 KNH4 + CaSO4
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
Fe(s) + HCl(aq) = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + H2(g)
HNO2 + O2 = HNO3 =>
2 HNO2 + O2 = 2 HNO3
FeS2 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS2 + 14 H2SO4 = Fe2(SO4)3 + 14 H2O + 15 SO2
K2SO4(aq) + Ca(NH4)2(aq) = KNH4 + CaSO4 =>
K2SO4(aq) + Ca(NH4)2(aq) = 2 KNH4 + CaSO4
Fe(NO3)3 + Li3PO4 = FePO4 + LiNO3 =>
Fe(NO3)3 + Li3PO4 = FePO4 + 3 LiNO3
K2SO4(aq) + Ca(NH4)2(aq) = KNH4(aq) + CaSO4(s) =>
K2SO4(aq) + Ca(NH4)2(aq) = 2 KNH4(aq) + CaSO4(s)
K2CrO4 + HCl + SnCl2 = KCl + CrCl3 + SnCl4 + H2O =>
2 K2CrO4 + 16 HCl + 3 SnCl2 = 4 KCl + 2 CrCl3 + 3 SnCl4 + 8 H2O
As2S3 + Mn(NO3)2 + K2CO3 = K3AsO4 + K2SO4 + K2MnO4 + NO + CO2 =>
As2S3 + 14 Mn(NO3)2 + 20 K2CO3 = 2 K3AsO4 + 3 K2SO4 + 14 K2MnO4 + 28 NO + 20 CO2
FeSO4 + K2CrO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 FeSO4 + 2 K2CrO4 + 8 H2SO4 = 3 Fe2(SO4)3 + 2 K2SO4 + Cr2(SO4)3 + 8 H2O
Zn2 + H3PO4 = Zn3(PO4)2 + H2 =>
3 Zn2 + 4 H3PO4 = 2 Zn3(PO4)2 + 6 H2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
C4H10O + HCl = C4H9Cl + H2O =>
C4H10O + HCl = C4H9Cl + H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
KMnO4 + C3H6 + H2O = C3H7O2 + MnO2 + KOH =>
KMnO4 + C3H6 + H2O = C3H7O2 + MnO2 + KOH
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2S + Br2 = S + HBr =>
H2S + Br2 = S + 2 HBr
KNO3 + H2O = KOH + HNO3 =>
KNO3 + H2O = KOH + HNO3
P + Cl3 = PCl3 =>
P + Cl3 = PCl3
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
FeS2 + O2 = FeO3 + SO2 =>
2 FeS2 + 7 O2 = 2 FeO3 + 4 SO2
CH3COOCH3 + O2 = CO2 + H2O =>
2 CH3COOCH3 + 7 O2 = 6 CO2 + 6 H2O
C + S = CS2 =>
C + 2 S = CS2
P + Cl3 = PCl3 =>
P + Cl3 = PCl3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CH3CH2OH + SO4{2-} = H2S + CH3COO{-} + H2O =>
2 CH3CH2OH + SO4{2-} = H2S + 2 CH3COO{-} + 2 H2O
Fe0 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 Fe0 + 6 H2SO4 = Fe2(SO4)3 + 6 H2O + 3 SO2
Br2 + KOH = KBr + KBrO3 + H2O =>
3 Br2 + 6 KOH = 5 KBr + KBrO3 + 3 H2O
K2SO4(aq) + BaMg(aq) = K2Mg(aq) + BaSO4(s) =>
K2SO4(aq) + BaMg(aq) = K2Mg(aq) + BaSO4(s)
C4H3 + O2 = CO2 + H2O =>
4 C4H3 + 19 O2 = 16 CO2 + 6 H2O
SiO2 + NaOH = NaSiO3 + H2 =>
2 SiO2 + 2 NaOH = 2 NaSiO3 + H2
CH3CH(OH)CH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + C3H6O + H2O =>
5 CH3CH(OH)CH3 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 C3H6O + 8 H2O
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
C20CaH24O10S2 + CuSO4*5H2O = C20CuH24O10S2 + CaSO4*5H2O =>
C20CaH24O10S2 + CuSO4*5H2O = C20CuH24O10S2 + CaSO4*5H2O
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
Mg(OH)2 + HBr = H2O + MgBr2 =>
Mg(OH)2 + 2 HBr = 2 H2O + MgBr2
Pb(CH3CO2)2 + KI2 = PbI2 + K(CH3CO2)2 =>
Pb(CH3CO2)2 + KI2 = PbI2 + K(CH3CO2)2
BeO + H20 = BeOH =>
20 BeO + H20 = 20 BeOH
MnO4{-} + e + H3O{+} = Mn{2+} + HO{-} =>
MnO4{-} + 5e + 2 H3O{+} = Mn{2+} + 6 HO{-}
KI + Br2 = KBr + I =>
2 KI + Br2 = 2 KBr + 2 I
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C8H18 + O2 = CO2 + H20 =>
10 C8H18 + 80 O2 = 80 CO2 + 9 H20
Ca + CO3 = CaCO3 =>
Ca + CO3 = CaCO3
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