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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3 =>
Fe(NO3)3 + Na2CO3 = FeCO3 + Na2(NO3)3
CH3COOH + Al(OH)3 = Al(CH3CO2)3 + H2O =>
3 CH3COOH + Al(OH)3 = Al(CH3CO2)3 + 3 H2O
Mn + H2O = MnO2 + H2 =>
Mn + 2 H2O = MnO2 + 2 H2
CH3CH(OH)CH3 + CH3COOH = CH3COOCH2CH3 + H2O =>
2 CH3CH(OH)CH3 + 3 CH3COOH = 3 CH3COOCH2CH3 + 2 H2O
H{+} + Fe + MnO4{-} = Fe2{+} + Mn2{+} + H2O =>
16 H{+} + 26 Fe + 2 MnO4{-} = 13 Fe2{+} + Mn2{+} + 8 H2O
CrOH3 + O2 = Cr2O3 + H2O =>
2 CrOH3 + 2 O2 = Cr2O3 + 3 H2O
PbSO4 + NaCl = PbCl2 + Na2SO4 =>
PbSO4 + 2 NaCl = PbCl2 + Na2SO4
Ca(OH)2 + H3PO4 = H2O + Ca2(OH)(PO4) =>
2 Ca(OH)2 + H3PO4 = 3 H2O + Ca2(OH)(PO4)
NaNO2 + BaCl2 = NaCl + Ba(NO2)2 =>
2 NaNO2 + BaCl2 = 2 NaCl + Ba(NO2)2
CH3OH + O2 = HCOOH + H2O =>
CH3OH + O2 = HCOOH + H2O
COF2(g) + H2O(l) = CO2(g) + HF(l) =>
COF2(g) + H2O(l) = CO2(g) + 2 HF(l)
PBr3 + H2O = HBr + P(OH)3 =>
PBr3 + 3 H2O = 3 HBr + P(OH)3
Zn2O3 + HNO3 = Zn(NO3)3 + H2O =>
Zn2O3 + 6 HNO3 = 2 Zn(NO3)3 + 3 H2O
KClO3 + S = KCl + SO2 =>
2 KClO3 + 3 S = 2 KCl + 3 SO2
BaCl + K2SO = K2Cl + BaSO =>
BaCl + K2SO = K2Cl + BaSO
Li2O + H2O = LiOH = =>
Li2O + H2O = 2 LiOH
Ca + NH = CaH2 + N2 =>
Ca + 2 NH = CaH2 + N2
K(s) + O2(g) = K2O(s) =>
4 K(s) + O2(g) = 2 K2O(s)
H + CO2 = C6H12O6 + O2 =>
12 H + 6 CO2 = C6H12O6 + 3 O2
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
Mn + Pb(C2H3O2)4 = Pb + Mn(C2H3O2)2 =>
2 Mn + Pb(C2H3O2)4 = Pb + 2 Mn(C2H3O2)2
Cl2 + CoBr2 = CoCl2 + Br2 =>
Cl2 + CoBr2 = CoCl2 + Br2
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
W + Cl = WCl6 =>
W + 6 Cl = WCl6
Cd{+2} + S{-2} = CdS =>
Cd{+2} + S{-2} = CdS
AuNO3 + K2CrO4 = Au2CrO4 + KNO3 =>
2 AuNO3 + K2CrO4 = Au2CrO4 + 2 KNO3
As + Se = AsSe =>
As + Se = AsSe
Co(NH3)6Cl3 + NaOH = Co3O4 + NH3 + NaCl + O2 + H2O =>
12 Co(NH3)6Cl3 + 36 NaOH = 4 Co3O4 + 72 NH3 + 36 NaCl + O2 + 18 H2O
C6H4CCl4 + H2O = C6H4CHClO2 + HCl =>
C6H4CCl4 + 2 H2O = C6H4CHClO2 + 3 HCl
Si(OC2H5)4 + NH4OH = SiO2 + C2H5OH + NH3 =>
Si(OC2H5)4 + 2 NH4OH = SiO2 + 4 C2H5OH + 2 NH3
P4 + CuSO4 + H2O = Cu3P + H3PO4 + H2SO4 =>
11 P4 + 60 CuSO4 + 96 H2O = 20 Cu3P + 24 H3PO4 + 60 H2SO4
CaCl2 + H2O = CaO + HCl =>
CaCl2 + H2O = CaO + 2 HCl
Mg + HNO3 = Mg(NO3)2 + NH4N2 + H2O =>
19 Mg + 44 HNO3 = 19 Mg(NO3)2 + 2 NH4N2 + 18 H2O
Pb(NO3)2 + C3H5(OH)3 = PbCO3 + NO2 + C2H4 + H2O =>
Pb(NO3)2 + C3H5(OH)3 = PbCO3 + 2 NO2 + C2H4 + 2 H2O
NH + O = NOH =>
NH + O = NOH
K2O(s) + H2O(l) = KOH(aq) =>
K2O(s) + H2O(l) = 2 KOH(aq)
MnO4({-}) + CrI2 + H2O = MnO2 + Cr(OH)3 + IO3({-}) + OH({-}) =>
13 MnO4({-}) + 3 CrI2 + 8 H2O = 13 MnO2 + 3 Cr(OH)3 + 6 IO3({-}) + 7 OH({-})
Ca(OH)2 + Na2CO3 = CaCO3 + NaOH(aq) =>
Ca(OH)2 + Na2CO3 = CaCO3 + 2 NaOH(aq)
HCl(aq) + H2O2(aq) = Cl2(aq) + H2O(l) =>
2 HCl(aq) + H2O2(aq) = Cl2(aq) + 2 H2O(l)
Ca(OH)2(ag) + HCl(ag) = CaCl2(ag) + H2O =>
Ca(OH)2(ag) + 2 HCl(ag) = CaCl2(ag) + 2 H2O
K2CO3 + HClO4 = KClO4 + H2O + CO2 =>
K2CO3 + 2 HClO4 = 2 KClO4 + H2O + CO2
Cr(OH)2 + Al = Al(OH)2 + Cr =>
Cr(OH)2 + Al = Al(OH)2 + Cr
FeO + H2O = Fe(OH)2 =>
FeO + H2O = Fe(OH)2
Za2Kt + AbQ2 = ZaQ + AbKt =>
Za2Kt + AbQ2 = 2 ZaQ + AbKt
C6H12O6 + H2 = C8H10 + H2O =>
4 C6H12O6 + 15 H2 = 3 C8H10 + 24 H2O
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
HSO3{-} + ClO3{-} + H2O = Cl{-} + SO4{2-} + H3O{+} =>
3 HSO3{-} + ClO3{-} + 3 H2O = Cl{-} + 3 SO4{2-} + 3 H3O{+}
Pb + H2O2 = PbO + H2O =>
Pb + H2O2 = PbO + H2O
HNO3 + H2S = NO + H2O + S =>
2 HNO3 + 3 H2S = 2 NO + 4 H2O + 3 S
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