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2 H2 + Fe3O2 = 2 H2O + Fe3
(NH4)2S + H3PO4 = (NH4)3PO4 + H2S =>
3(NH4)2S + 2 H3PO4 = 2(NH4)3PO4 + 3 H2S
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
H2S + C = CS2 + H =>
2 H2S + C = CS2 + 4 H
Na2HPO4 + AgNO3 = Ag3PO4 + NaNO3 + HNO3 =>
Na2HPO4 + 3 AgNO3 = Ag3PO4 + 2 NaNO3 + HNO3
Cu + S = Cu2S =>
2 Cu + S = Cu2S
Na2OCO3 + CH3COOH = NaCH3COO + H2O + CO2 =>
4 Na2OCO3 + 9 CH3COOH = 8 NaCH3COO + 6 H2O + 6 CO2
SO2 = O3 + S8 =>
24 SO2 = 16 O3 + 3 S8
O2 + Li = O4Li2 =>
2 O2 + 2 Li = O4Li2
B3N3H6 + O2 = N2O5 + B2O3 + H2O =>
2 B3N3H6 + 15 O2 = 3 N2O5 + 3 B2O3 + 6 H2O
V3O2 = V3 + O =>
V3O2 = V3 + 2 O
PbCO3 + KI = PbI2 + K2CO3 =>
PbCO3 + 2 KI = PbI2 + K2CO3
SO2 + Na(OH) = SO3HNa =>
SO2 + Na(OH) = SO3HNa
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
H2SO4 + Al(OH)3 = H2O + Al2(SO4)3 =>
3 H2SO4 + 2 Al(OH)3 = 6 H2O + Al2(SO4)3
KNO2 + K2Cr2O7 + KOH + H2O = K3[Cr(OH)6] + KNO3 =>
3 KNO2 + K2Cr2O7 + 4 KOH + 4 H2O = 2 K3[Cr(OH)6] + 3 KNO3
NH4I + Ba(OH)2 = H2O + NH3 + BaI2 =>
2 NH4I + Ba(OH)2 = 2 H2O + 2 NH3 + BaI2
Ce(NO3)3*6H2O = Ce2O3 + H2O + NO2 + O2 =>
4 Ce(NO3)3*6H2O = 2 Ce2O3 + 24 H2O + 12 NO2 + 3 O2
KNO3 + C12H22O11 = N2 + CO2 + H2O + K2CO3 =>
48 KNO3 + 5 C12H22O11 = 24 N2 + 36 CO2 + 55 H2O + 24 K2CO3
CH2CH2 + MnO4{-} + H2O = CH2OHCH2OH + OH{-} + MnO2 =>
3 CH2CH2 + 2 MnO4{-} + 4 H2O = 3 CH2OHCH2OH + 2 OH{-} + 2 MnO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Zn(CH3COO)2Pb = PbZn(CH3COO)2 =>
Zn(CH3COO)2Pb = PbZn(CH3COO)2
K2SO3 + H2SO4 = H2O + SO2 + KHSO4 =>
K2SO3 + 2 H2SO4 = H2O + SO2 + 2 KHSO4
CH4 + F2 = CH2F2 + HF =>
CH4 + 2 F2 = CH2F2 + 2 HF
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Na3PO4 + Ti(SO4)2 = Na2SO4 + Ti3(PO4)4 =>
4 Na3PO4 + 3 Ti(SO4)2 = 6 Na2SO4 + Ti3(PO4)4
Ca(CO3) + HCl = CaCl2 + H2O + CO2 =>
Ca(CO3) + 2 HCl = CaCl2 + H2O + CO2
NaO + H2SO4 = Na(SO4) + H2O =>
NaO + H2SO4 = Na(SO4) + H2O
Ag(NH3)2OH + CH2O = Ag + HCOONH4 + NH3 + H2O =>
2 Ag(NH3)2OH + CH2O = 2 Ag + HCOONH4 + 3 NH3 + H2O
Fe + H2SO4(l) = Fe2SO4(aq) + H2(g) =>
2 Fe + H2SO4(l) = Fe2SO4(aq) + H2(g)
I2KCl = I2 + KCl =>
I2KCl = I2 + KCl
Mg(NO3)2 + H2 = H2NO3 + Mg =>
Mg(NO3)2 + 2 H2 = 2 H2NO3 + Mg
NaCl + HC2H3O2 = NaC2O2 + H4Cl =>
NaCl + HC2H3O2 = NaC2O2 + H4Cl
NaOH + Al + H2O = H2 + NaAlO2 =>
2 NaOH + 2 Al + 2 H2O = 3 H2 + 2 NaAlO2
HCl(l) + KOH(s) = KCl + H2O =>
HCl(l) + KOH(s) = KCl + H2O
C5H4NCOOH + H2O = C5H4NCOO{-} + H3O{+} =>
C5H4NCOOH + H2O = C5H4NCOO{-} + H3O{+}
HBR(aq) + KOH(aq) = KBR(aq) + H2O =>
HBR(aq) + KOH(aq) = KBR(aq) + H2O
Cr(NO3)3 + KBrO3 + H2O = H2CrO4 + KBr + HNO3 =>
2 Cr(NO3)3 + KBrO3 + 5 H2O = 2 H2CrO4 + KBr + 6 HNO3
Fe + CuCl2 = FeCl2 + Cu =>
Fe + CuCl2 = FeCl2 + Cu
CH4 + F2 = CH2F + HF =>
2 CH4 + 3 F2 = 2 CH2F + 4 HF
NaCO3 + BaS = BaCO3 + NaS =>
NaCO3 + BaS = BaCO3 + NaS
Cl2O3F10 = ClF3 + F2O2 + F2 =>
2 Cl2O3F10 = 4 ClF3 + 3 F2O2 + F2
HCOOK + H3PO4 = CO + KH2PO4 + H2O =>
HCOOK + H3PO4 = CO + KH2PO4 + H2O
CH3CH2CH2Cl + NaCN = CH3CH2CH2CN + NaCl =>
CH3CH2CH2Cl + NaCN = CH3CH2CH2CN + NaCl
CH4 + S8 = CS2 + H2S =>
2 CH4 + S8 = 2 CS2 + 4 H2S
HCl + AlCl3 = AlH + Cl =>
HCl + AlCl3 = AlH + 4 Cl
HNO2 + KMnO4 + H2SO4 = MnSO4 + HNO3 + K2SO4 + H2O =>
5 HNO2 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 5 HNO3 + K2SO4 + 3 H2O
Hg(NO3)2 + Bi2(CO3)3 = HgCO3 + Bi(NO3)3 =>
3 Hg(NO3)2 + Bi2(CO3)3 = 3 HgCO3 + 2 Bi(NO3)3
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
SCN{-} + BrO3{-} + H2O = Br{-} + SO4{2-} + HCN + H{+} =>
SCN{-} + BrO3{-} + H2O = Br{-} + SO4{2-} + HCN + H{+}
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