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CaCO3 = CaO + CO2
PCl2 + Cl2 = PCl5 =>
2 PCl2 + 3 Cl2 = 2 PCl5
C3H7COOH + Ca(OH)2 = (C3H7COO)2Ca + H2O =>
2 C3H7COOH + Ca(OH)2 = (C3H7COO)2Ca + 2 H2O
Fe + CuS = FeS + Cu =>
Fe + CuS = FeS + Cu
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
V2O5 + F2 = VF5 + O2 =>
2 V2O5 + 10 F2 = 4 VF5 + 5 O2
Cu + H2SO4 = CuSO4 + Cu2S + H2O =>
5 Cu + 4 H2SO4 = 3 CuSO4 + Cu2S + 4 H2O
K + (C2H3O2) = K(C2H3O2) =>
K + (C2H3O2) = K(C2H3O2)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Hg2Cl2 + H2SO4 = Hg2SO4 + HCl =>
Hg2Cl2 + H2SO4 = Hg2SO4 + 2 HCl
Al2(SO4)3 + Ba(Na3)2 = Al(Na3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(Na3)2 = 2 Al(Na3)3 + 3 BaSO4
NaHCO3 + O2 = Na + CO3 + H2O =>
4 NaHCO3 + O2 = 4 Na + 4 CO3 + 2 H2O
S + Cr2O3 = CrS3 + SO2 =>
15 S + 2 Cr2O3 = 4 CrS3 + 3 SO2
PCl3 + HF + F2 = PF5 + HCl =>
PCl3 + 3 HF + F2 = PF5 + 3 HCl
Cr2O7{-2} + Hg + H2SO4 + H{+} = Hg2SO4 + Cr{+3} + OH{-} =>
Cr2O7{-2} + 6 Hg + 3 H2SO4 + H{+} = 3 Hg2SO4 + 2 Cr{+3} + 7 OH{-}
Na2CO3 + H3PO4 = Na3PO4 + CO2 + H2O =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 CO2 + 3 H2O
ZnS + O2 = SO + Zn =>
2 ZnS + O2 = 2 SO + 2 Zn
KOHH2O = KHH2O2 =>
KOHH2O = KHH2O2
HNO3 + CaCO3 = CO2 + Ca(NO3)2 + H2O =>
2 HNO3 + CaCO3 = CO2 + Ca(NO3)2 + H2O
H3AsO3 + ClO3 = H3AsO4 + Cl =>
3 H3AsO3 + ClO3 = 3 H3AsO4 + Cl
(CH3)2CO + H2 = (CH3)2CHOH =>
(CH3)2CO + H2 = (CH3)2CHOH
Ba(OH)2 + HOBr = H2O + Ba(OBr)2 =>
Ba(OH)2 + 2 HOBr = 2 H2O + Ba(OBr)2
Zn + Na2CrO4 + H2SO4 = Cr2(SO4)3 + Na2SO4 + ZnSO4 + H2O =>
3 Zn + 2 Na2CrO4 + 8 H2SO4 = Cr2(SO4)3 + 2 Na2SO4 + 3 ZnSO4 + 8 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
Au(OH) + H2SO4 = Au2SO4 + H2O =>
2 Au(OH) + H2SO4 = Au2SO4 + 2 H2O
NaOH + H2SO4 = Na3HSO5 + H2O =>
3 NaOH + H2SO4 = Na3HSO5 + 2 H2O
C6H5O7Na3 + HCl = NaCl + C6H8O7 =>
C6H5O7Na3 + 3 HCl = 3 NaCl + C6H8O7
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
Na2S + Ca(NO3)2 = NaNO3 + CaS =>
Na2S + Ca(NO3)2 = 2 NaNO3 + CaS
BiO3{-} + H2O + {-} = Bi{3+} + OH{-} =>
BiO3{-} + 3 H2O + 2e = Bi{3+} + 6 OH{-}
ammonia + oxygen = nitrogen + water =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
CH3C(CH3)CH2 + KMnO4 + H2SO4 = CH3COCH3 + MnSO4 + K2SO4 + H2O =>
15 CH3C(CH3)CH2 + 8 KMnO4 + 12 H2SO4 = 20 CH3COCH3 + 8 MnSO4 + 4 K2SO4 + 12 H2O
MgCl2 + Na2[H2Y] = NaCl + MgH2Y =>
MgCl2 + Na2[H2Y] = 2 NaCl + MgH2Y
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H{+} + H3PO2 + Cr2O7{2-} = H3PO4 + Cr{3+} + H2O =>
16 H{+} + 3 H3PO2 + 2 Cr2O7{2-} = 3 H3PO4 + 4 Cr{3+} + 8 H2O
NaCl2 + Ca(OH)2 = Na(OH)2 + CaCl2 =>
NaCl2 + Ca(OH)2 = Na(OH)2 + CaCl2
Co{2+} + Cl2 = Co{3+} + Cl{-} =>
2 Co{2+} + Cl2 = 2 Co{3+} + 2 Cl{-}
Cu + Cr(CH3COO)3 = Cu(CH3COO)3 + Cr =>
Cu + Cr(CH3COO)3 = Cu(CH3COO)3 + Cr
AgF + KCl = AgK + ClF =>
AgF + KCl = AgK + ClF
HS + O2 = SO2 + H2O =>
4 HS + 5 O2 = 4 SO2 + 2 H2O
O3Fe = Fe(O)3 =>
O3Fe = Fe(O)3
SrO + C = Sr + CO =>
SrO + C = Sr + CO
Sb(OH)Cl2 = SbOCl + HCl =>
Sb(OH)Cl2 = SbOCl + HCl
SnCl2 + NaOH = Sn(OH)2 + NaCl =>
SnCl2 + 2 NaOH = Sn(OH)2 + 2 NaCl
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
AlCl3 + Na2CO3 + H2O = NaCl + CO2 + Al(OH)3 =>
2 AlCl3 + 3 Na2CO3 + 3 H2O = 6 NaCl + 3 CO2 + 2 Al(OH)3
Ni(OH)2 + Ca(OCl)2 = NiO(OH)2 + CaCl2 =>
2 Ni(OH)2 + Ca(OCl)2 = 2 NiO(OH)2 + CaCl2
C2H6O6 + NaOH = Na2C2H4O6 + H2O =>
C2H6O6 + 2 NaOH = Na2C2H4O6 + 2 H2O
H2O + S + KCl + MnO = H2S + KMnO4 + HCl =>
6 H2O + 5 S + 2 KCl + 2 MnO = 5 H2S + 2 KMnO4 + 2 HCl
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