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Hg2(NO3)2 + 2 KCN = 2 HgCN + 2 KNO3
Hg(l) + HCl = HgCl2(aq) + H2(g) =>
Hg(l) + 2 HCl = HgCl2(aq) + H2(g)
Fe + MgCl2 + H2O = FeMgCl2H2O =>
Fe + MgCl2 + H2O = FeMgCl2H2O
Cu2S + H2SO4 = CuSO4 + H2O + SO =>
2 Cu2S + 7 H2SO4 = 4 CuSO4 + 7 H2O + 5 SO
NO + O2 + H2O = HNO2 =>
4 NO + O2 + 2 H2O = 4 HNO2
Al(s) + NaOH(aq) = Na3AlO3(aq) + H2(aq) =>
2 Al(s) + 6 NaOH(aq) = 2 Na3AlO3(aq) + 3 H2(aq)
Cr(NO3)3 + LiOH = Cr(OH)3 + LiNO3 =>
Cr(NO3)3 + 3 LiOH = Cr(OH)3 + 3 LiNO3
Ba(OH)2 + CO2 = BaO + C(OH)4 =>
2 Ba(OH)2 + CO2 = 2 BaO + C(OH)4
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Cu(OH)2 + NH4OH = Cu(NH3)2 + H2O + OH =>
Cu(OH)2 + 2 NH4OH = Cu(NH3)2 + 2 H2O + 2 OH
Al2O3 + C = Al + CO =>
Al2O3 + 3 C = 2 Al + 3 CO
Al(s) + NaOH(aq) = Na3AlO3(s) + H2(g) =>
2 Al(s) + 6 NaOH(aq) = 2 Na3AlO3(s) + 3 H2(g)
NaH2PO4(aq) + H2O(l) = NaOH(aq) + H3PO4 =>
NaH2PO4(aq) + H2O(l) = NaOH(aq) + H3PO4
Nb2O5 + KOH = KNbO3 + H2O =>
Nb2O5 + 2 KOH = 2 KNbO3 + H2O
Na3(PO4) + FeCl2 = Fe3(PO4)2 + NaCl =>
2 Na3(PO4) + 3 FeCl2 = Fe3(PO4)2 + 6 NaCl
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
ZnCl2 + K2Cr2O7 = KCl + ZnCr2O7 =>
ZnCl2 + K2Cr2O7 = 2 KCl + ZnCr2O7
Rb2SO3 = Rb + SO3 =>
Rb2SO3 = 2 Rb + SO3
Al(s) + NaOH(aq) = Al(OH)3(s) + Na(aq) =>
Al(s) + 3 NaOH(aq) = Al(OH)3(s) + 3 Na(aq)
Na2(SO4) + Mg(OH)2 = NaOH + MgSO4 =>
Na2(SO4) + Mg(OH)2 = 2 NaOH + MgSO4
PCl + H2O = H3(PO)3 + HCl =>
3 PCl + 3 H2O = H3(PO)3 + 3 HCl
Na(s) + Br2(g) = NaBr =>
2 Na(s) + Br2(g) = 2 NaBr
(NH4)2SO4(aq) + Ba(NO3)2(aq) = BaSO4 + NH4NO3 =>
(NH4)2SO4(aq) + Ba(NO3)2(aq) = BaSO4 + 2 NH4NO3
Cs2CO3 + H2O = CsHCO3 + CsOH =>
Cs2CO3 + H2O = CsHCO3 + CsOH
HCl + O2 = Cl2O7 + H2O =>
2 HCl + 4 O2 = Cl2O7 + H2O
NaOH = Na1 + OH1 =>
NaOH = Na1 + OH1
AgNO3 = Ag + O + NO2 =>
AgNO3 = Ag + O + NO2
FeCl2(aq) + K2SO4(aq) = FeSO4 + KCl =>
FeCl2(aq) + K2SO4(aq) = FeSO4 + 2 KCl
N2H4 + N2O4 = NO + H2O =>
N2H4 + 2 N2O4 = 6 NO + 2 H2O
Al(s) + NaOH(aq) = Na3AlO3(aq) + H2(g) =>
2 Al(s) + 6 NaOH(aq) = 2 Na3AlO3(aq) + 3 H2(g)
C3H5O2K + O2 = CO2 + H2O + K2CO3 =>
2 C3H5O2K + 7 O2 = 5 CO2 + 5 H2O + K2CO3
H2S + AgNO3 = Ag2S + HNO3 =>
H2S + 2 AgNO3 = Ag2S + 2 HNO3
K4[Fe(CN)6] + I2 = K3[Fe(CN)6] + KI =>
2 K4[Fe(CN)6] + I2 = 2 K3[Fe(CN)6] + 2 KI
Cs2CO3 + H2O = CsOH + H2CO3 =>
Cs2CO3 + 2 H2O = 2 CsOH + H2CO3
FeCl2(aq) + K2SO4(aq) = FeSO4 + KCl =>
FeCl2(aq) + K2SO4(aq) = FeSO4 + 2 KCl
Al + KOH + H2SO4 = KAl(SO4)2 + H2O + H2 =>
2 Al + 2 KOH + 4 H2SO4 = 2 KAl(SO4)2 + 2 H2O + 3 H2
Al(s) + NaOH(aq) = Al(OH)3(aq) + Na(s) =>
Al(s) + 3 NaOH(aq) = Al(OH)3(aq) + 3 Na(s)
K4[Fe(CN)6] + I2 = K3[Fe(CN)6] + KI =>
2 K4[Fe(CN)6] + I2 = 2 K3[Fe(CN)6] + 2 KI
Te + I2 = TeI3 =>
2 Te + 3 I2 = 2 TeI3
Cs2CO3 + H2O = CsOH + CO2 =>
Cs2CO3 + H2O = 2 CsOH + CO2
Li + HClO4 = LiClO4 + H2 =>
2 Li + 2 HClO4 = 2 LiClO4 + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al(s) + NaOH(aq) = Al(OH)3 + Na =>
Al(s) + 3 NaOH(aq) = Al(OH)3 + 3 Na
Cu{+2} + HS{-} + H2O = Cu2S + SO4{2-} + H{+} =>
8 Cu{+2} + 5 HS{-} + 4 H2O = 4 Cu2S + SO4{2-} + 13 H{+}
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
SF4(g) + H2O(l) = SO2(g) + HF(l) =>
SF4(g) + 2 H2O(l) = SO2(g) + 4 HF(l)
C6H6 + Na = C6H5Na + H2 =>
2 C6H6 + 2 Na = 2 C6H5Na + H2
C57H110O6 + KOH = C17H35COOK + C3H8O3 =>
C57H110O6 + 3 KOH = 3 C17H35COOK + C3H8O3
Na(aq) + H2O = Na2O(s) + H2(g) =>
2 Na(aq) + H2O = Na2O(s) + H2(g)
Al + ZnSO3 = Zn + Al2(SO3)3 =>
2 Al + 3 ZnSO3 = 3 Zn + Al2(SO3)3
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