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Cu + 2 HCN = Cu(CN)2 + H2
K2S + HCl = K(Cl) + H2S =>
K2S + 2 HCl = 2 K(Cl) + H2S
H2CO3 + H2O = H3O + CO3 =>
H2CO3 + 2 H2O = 2 H3O + CO3
HCl + KMnO4 = KCl + MnCl2 + H2O + Cl2 =>
16 HCl + 2 KMnO4 = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2SO3 + HCl = NaCl + H2O(l) + SO2(g) =>
Na2SO3 + 2 HCl = 2 NaCl + H2O(l) + SO2(g)
Na2AsO4 + BaCl2 = NaCl + BaAsO4 =>
Na2AsO4 + BaCl2 = 2 NaCl + BaAsO4
Fe(NO3)3 + Mg(SO4) = Fe2(SO4)3 + Mg(NO3)2 =>
2 Fe(NO3)3 + 3 Mg(SO4) = Fe2(SO4)3 + 3 Mg(NO3)2
N2H2 + C10O1H18 = N2 + C10O1H22 =>
2 N2H2 + C10O1H18 = 2 N2 + C10O1H22
Na2CO3 + NiCl2 = Na2Cl2 + NiCO3 =>
Na2CO3 + NiCl2 = Na2Cl2 + NiCO3
Na2CO3 + H3PO3 = Na3PO3 + H2CO3 =>
3 Na2CO3 + 2 H3PO3 = 2 Na3PO3 + 3 H2CO3
Xe + Cr2O7 = Xe3O2 + Cr =>
21 Xe + 2 Cr2O7 = 7 Xe3O2 + 4 Cr
K2Cr2O7 + H2O2 + H2SO4 = CrO5 + H2O + K2SO4 =>
K2Cr2O7 + 4 H2O2 + H2SO4 = 2 CrO5 + 5 H2O + K2SO4
K2S + HCl = K(Cl) + H2S =>
K2S + 2 HCl = 2 K(Cl) + H2S
Se + NaOH = Na2SeO3 + NaSe + H2O =>
5 Se + 6 NaOH = Na2SeO3 + 4 NaSe + 3 H2O
AsH3 + KClO3 + KOH = KCl + K1AsO4 + H2O =>
3 AsH3 + 5 KClO3 + 3 KOH = 5 KCl + 3 K1AsO4 + 6 H2O
KClO3 + Cu(C6H5CO2)2 = CO2 + H2O + CuO + KCl =>
10 KClO3 + Cu(C6H5CO2)2 = 14 CO2 + 5 H2O + CuO + 10 KCl
(CH3CH2CH2OH) + O2 = H2O + CO2 =>
2(CH3CH2CH2OH) + 9 O2 = 8 H2O + 6 CO2
C10H8 + O2 = CO2 + H2O =>
C10H8 + 12 O2 = 10 CO2 + 4 H2O
C6H5CHO + C6H6N4O4 = C13H10O4N4 + H2O =>
C6H5CHO + C6H6N4O4 = C13H10O4N4 + H2O
Na2SO4 + K2S = Na2S + K2SO4 =>
Na2SO4 + K2S = Na2S + K2SO4
NaHCO3 + Ca(OH)2 = H2O + Na2CO3 + CaCO3 =>
2 NaHCO3 + Ca(OH)2 = 2 H2O + Na2CO3 + CaCO3
Cu + NaCl + H2O = CuCl + NaOH + H2 =>
2 Cu + 2 NaCl + 2 H2O = 2 CuCl + 2 NaOH + H2
Na2S2O3 + Zn + HCl = S + ZnCl2 + NaCl + H2O =>
Na2S2O3 + 2 Zn + 6 HCl = 2 S + 2 ZnCl2 + 2 NaCl + 3 H2O
AgNO3 = NO3 + Ag =>
AgNO3 = NO3 + Ag
KBr + Cl3 = Br3 + KCl =>
3 KBr + Cl3 = Br3 + 3 KCl
CsI + H3B3O6 = Cs2B4O7 + H2O + HI =>
6 CsI + 4 H3B3O6 = 3 Cs2B4O7 + 3 H2O + 6 HI
AlS3 + NaCl = AlCl3 + NaS =>
AlS3 + 3 NaCl = AlCl3 + 3 NaS
H2O2 + FeCl3 = HCl + FeO3 =>
3 H2O2 + 2 FeCl3 = 6 HCl + 2 FeO3
Ca(HCO3)2 + Al(OH)3 = Ca(OH)2 + Al(HCO3)3 =>
3 Ca(HCO3)2 + 2 Al(OH)3 = 3 Ca(OH)2 + 2 Al(HCO3)3
Zn + CH3CH2COOH = (CH3CH2COO)2Zn + H2 =>
Zn + 2 CH3CH2COOH = (CH3CH2COO)2Zn + H2
CuN2 = Cu + N2 =>
CuN2 = Cu + N2
HI + HNO3 = HIO + NO2 + H2O =>
HI + 2 HNO3 = HIO + 2 NO2 + H2O
K2HPO4 + Ca(NO3)2 = K2(NO3)2 + CaHPO4 =>
K2HPO4 + Ca(NO3)2 = K2(NO3)2 + CaHPO4
K2SO4 + Na2CO3 = K2CO3 + Na2SO4 =>
K2SO4 + Na2CO3 = K2CO3 + Na2SO4
BaO + CaO = CaBaO2 =>
BaO + CaO = CaBaO2
KMnO4 + HCl + SnCl2 = MnO2 + KCl + SnCl4 + H2O =>
2 KMnO4 + 8 HCl + 3 SnCl2 = 2 MnO2 + 2 KCl + 3 SnCl4 + 4 H2O
RbCl2 = Rb + Cl =>
RbCl2 = Rb + 2 Cl
Co + Pb(NO3)2 = Co(NO3) + Pb =>
2 Co + Pb(NO3)2 = 2 Co(NO3) + Pb
CaOCl2 + HCl = CaCl2 + Cl2 + H2O =>
CaOCl2 + 2 HCl = CaCl2 + Cl2 + H2O
Zn(OH)3 + NaOH = Na3ZnO3 + H2O =>
Zn(OH)3 + 3 NaOH = Na3ZnO3 + 3 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + Ca2 + SO4 =>
2 Al2(SO4)3 + 6 Ca(OH)2 = 4 Al(OH)3 + 3 Ca2 + 6 SO4
Ba(s) + O2(g) + C(s) = BaCO3(g) =>
2 Ba(s) + 3 O2(g) + 2 C(s) = 2 BaCO3(g)
Ca(OH)2 + NaHCO3 = Ca(HCO3)2 + NaOH =>
Ca(OH)2 + 2 NaHCO3 = Ca(HCO3)2 + 2 NaOH
Br2 + Na2CO3 = NaBrO3 + NaBr + CO2 =>
3 Br2 + 3 Na2CO3 = NaBrO3 + 5 NaBr + 3 CO2
CuSO4 + ZnSO4 = CuZn + SO4 =>
CuSO4 + ZnSO4 = CuZn + 2 SO4
(PbNo3)2 + N2S = PbS + N + No3 =>
(PbNo3)2 + 2 N2S = 2 PbS + 4 N + 2 No3
Ga + NaOH = Na2GaO2 + H2 =>
Ga + 2 NaOH = Na2GaO2 + H2
FeNO2 + H2SO4 = FeSO4 + H2NO2 =>
FeNO2 + H2SO4 = FeSO4 + H2NO2
Ca10(PO4)6(OH)2 + C3H6O3 = Ca(C3H5O3)2 + H3PO4 + H2O =>
Ca10(PO4)6(OH)2 + 20 C3H6O3 = 10 Ca(C3H5O3)2 + 6 H3PO4 + 2 H2O
AgNO3 + NaBr = AgBr + NaNO3 =>
AgNO3 + NaBr = AgBr + NaNO3
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