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2 Cu(CN)2 = 2 CuCN + C2N2
K2CrO4 + KNO2 + H2SO4 = KNO3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2CrO4 + 3 KNO2 + 5 H2SO4 = 3 KNO3 + Cr2(SO4)3 + 2 K2SO4 + 5 H2O
NH4Cl + Sn(OH)4 = NH4OH + SnCl4 =>
4 NH4Cl + Sn(OH)4 = 4 NH4OH + SnCl4
NaCN + C2H5Br = C2H5CN + NaBr =>
NaCN + C2H5Br = C2H5CN + NaBr
Mn2O3 + H2SO4 = MnO2 + MnSO4 + H2O =>
Mn2O3 + H2SO4 = MnO2 + MnSO4 + H2O
Na + CaSO4 = Ca + NaSO4 =>
Na + CaSO4 = Ca + NaSO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
MgCl2 + NH4Cl + Na2HPO4 = MgNH4PO4 + HCl + NaCl =>
MgCl2 + NH4Cl + Na2HPO4 = MgNH4PO4 + HCl + 2 NaCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CH3COO + Cr2O7 = CO2 + Cr + H2O =>
2 CH3COO + Cr2O7 = 4 CO2 + 2 Cr + 3 H2O
Al2(CO3)3 + CuCl2 = AlCl3 + CuCO3 =>
Al2(CO3)3 + 3 CuCl2 = 2 AlCl3 + 3 CuCO3
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
HCl(g) + NaHCO3(s) = CO2(g) + H2O(l) + NaCl(aq) =>
HCl(g) + NaHCO3(s) = CO2(g) + H2O(l) + NaCl(aq)
S + ClO = SO3 + Cl =>
S + 3 ClO = SO3 + 3 Cl
SO2 + Na2O = Na2SO3 =>
SO2 + Na2O = Na2SO3
CaCl2 + NaHCO3 = NaCl + CaO + HCl + CO2 =>
CaCl2 + NaHCO3 = NaCl + CaO + HCl + CO2
KI + CrO = K2O + CrI2 =>
2 KI + CrO = K2O + CrI2
Co(OH)2 + SO3{-2} = Co + SO4{-2} + H2O =>
Co(OH)2 + SO3{-2} = Co + SO4{-2} + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Fe2O3 + Sr(OH)2 = SrO + Fe(OH)3 =>
Fe2O3 + 3 Sr(OH)2 = 3 SrO + 2 Fe(OH)3
Bi(NO3)3 + Br2 + KOH = KBiO3 + H2O + KBr + KNO3 =>
Bi(NO3)3 + Br2 + 6 KOH = KBiO3 + 3 H2O + 2 KBr + 3 KNO3
NaOH = Na2O + H2O =>
2 NaOH = Na2O + H2O
S2O3{2-} + Cl2 + H2O = HSO4{-} + H{+} + Cl{-} =>
S2O3{2-} + 4 Cl2 + 5 H2O = 2 HSO4{-} + 8 H{+} + 8 Cl{-}
CaO + H3AsO4 = Ca3(AsO4)2 + H2O =>
3 CaO + 2 H3AsO4 = Ca3(AsO4)2 + 3 H2O
C16H31 + O2 = CO2 + H2O =>
4 C16H31 + 95 O2 = 64 CO2 + 62 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
K2S2O8 = K2{2+} + S2O8{2-} =>
K2S2O8 = K2{2+} + S2O8{2-}
CH2BrCH2Br = CH2CH2 + Br =>
CH2BrCH2Br = CH2CH2 + 2 Br
K2CO3 + Zn(NO3)2 = ZnCO3 + KNO3 =>
K2CO3 + Zn(NO3)2 = ZnCO3 + 2 KNO3
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
C17H35COOH + KOH = CO2 + H2O + K2 =>
C17H35COOH + 104 KOH = 18 CO2 + 70 H2O + 52 K2
Si + Mg = Mg2Si =>
Si + 2 Mg = Mg2Si
Zn + HgCl = ZnCl2 + Hg =>
Zn + 2 HgCl = ZnCl2 + 2 Hg
Fe2O3 + H3PO4 = FePO4 + H2O =>
Fe2O3 + 2 H3PO4 = 2 FePO4 + 3 H2O
Cr2O3 + KClO + KOH = K2CrO4 + KCl + H2O =>
Cr2O3 + 3 KClO + 4 KOH = 2 K2CrO4 + 3 KCl + 2 H2O
Si(CO3) = Si + CO3 =>
Si(CO3) = Si + CO3
Co{2+} + NCS{-} = Co(NCS)4{-2} =>
Co{2+} + 4 NCS{-} = Co(NCS)4{-2}
Fe + Zn(OH)MnO4 + H2O = Fe(OH)2 + Zn(OH)2 + MnO2 =>
3 Fe + 2 Zn(OH)MnO4 + 4 H2O = 3 Fe(OH)2 + 2 Zn(OH)2 + 2 MnO2
O2 + SB2S3 = SB2O3 + SO2 =>
9 O2 + 2 SB2S3 = 2 SB2O3 + 6 SO2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
NH3 + C12 = N2H4 + NH4C1 =>
24 NH3 + C12 = 6 N2H4 + 12 NH4C1
NaCrO2 + PbO2 + NaOH = Na2CrO4 + Na2PbO2 + H2O =>
2 NaCrO2 + 3 PbO2 + 8 NaOH = 2 Na2CrO4 + 3 Na2PbO2 + 4 H2O
HNO2 = NO + (OH)2 =>
2 HNO2 = 2 NO + (OH)2
CaO2 + H2O = H2O2 + CaO =>
CaO2 + H2O = H2O2 + CaO
S + H2O = HS + OH =>
S + H2O = HS + OH
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
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