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K2CO3 + H2SO4 = K2SO4 + H2O + CO2
Fe + Ca(OH)2 = Fe(OH)3 + Ca =>
2 Fe + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 Ca
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + H2SO4 = Na2SO4 + H2S + H2O =>
8 Na + 5 H2SO4 = 4 Na2SO4 + H2S + 4 H2O
C2H6 + O2 = CH3COOH + H2O =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O
(NH4)3PO4*12MoO3 + NaOH = Na2MoO4 + (NH4)2MoO4 + (NaNH4)HPO4 + H2O =>
(NH4)3PO4*12MoO3 + 23 NaOH = 11 Na2MoO4 + (NH4)2MoO4 + (NaNH4)HPO4 + 11 H2O
PbS + OH{-} = Pb + S2{-} + SO42{-} + H2O =>
167 PbS + 84 OH{-} = 167 Pb + 83 S2{-} + SO42{-} + 42 H2O
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
Zn + CuCl2 = ZnCl2 + Cu =>
Zn + CuCl2 = ZnCl2 + Cu
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C4H7OOH + CaCO3 = C4H7Ca + H2O + CO2 =>
5 C4H7OOH + 4 CaCO3 = 4 C4H7Ca + 6 H2O + 8 CO2
Ag2S + Al + OH{-} = Ag + S{2-} + Al(OH)3 =>
3 Ag2S + 2 Al + 6 OH{-} = 6 Ag + 3 S{2-} + 2 Al(OH)3
AlCl3 + Ba(OH)2 = Al(OH)3 + BaCl2 =>
2 AlCl3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaCl2
C8H18(g) + O(g) = CO2(g) + H2O(g) =>
C8H18(g) + 25 O(g) = 8 CO2(g) + 9 H2O(g)
Cu(NO3)2*25H2O + NaI = CuI + Na(NO3) + I2 + H2O =>
2 Cu(NO3)2*25H2O + 4 NaI = 2 CuI + 4 Na(NO3) + I2 + 50 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Na(OH) + CH3COOH = C2H3NaO2 + H2O =>
Na(OH) + CH3COOH = C2H3NaO2 + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CuSO4 + K4[Fe(CN)6] = K4SO4 + Cu[Fe(CN)6] =>
CuSO4 + K4[Fe(CN)6] = K4SO4 + Cu[Fe(CN)6]
Na2CO3(aq) + CaCl2 = NaCl + CaCO3 =>
Na2CO3(aq) + CaCl2 = 2 NaCl + CaCO3
C3H4 + [Ag(NH3)2]OH = C3H3Ag + H2O + NH3 =>
C3H4 + [Ag(NH3)2]OH = C3H3Ag + H2O + 2 NH3
CuS + HBr = CuBr2 + H2S =>
CuS + 2 HBr = CuBr2 + H2S
H3PO4 + NaCl = HCl + Na3PO4 =>
H3PO4 + 3 NaCl = 3 HCl + Na3PO4
Na2CO3(aq) + CaCl2 = CaCO3(s) + NaCl(aq) =>
Na2CO3(aq) + CaCl2 = CaCO3(s) + 2 NaCl(aq)
HClO3 + H2O = ClO3 + H3O =>
HClO3 + H2O = ClO3 + H3O
Na2S2O3 = Na2SO4 + Na2S5 =>
4 Na2S2O3 = 3 Na2SO4 + Na2S5
Cr2(SO3)3 + H2SO4 = Cr2(SO4)3 + H2SO3 =>
Cr2(SO3)3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2SO3
H2(g) + I2(s) = HI(s) =>
H2(g) + I2(s) = 2 HI(s)
V2O5 + H2SO4 = (VO2)2(SO4) + H2O =>
V2O5 + H2SO4 = (VO2)2(SO4) + H2O
MgSO4(H2O)7 + NaHCO3 = Mg(OH)2(MgCO3)4 + Na2SO4 + CO2 + H2O =>
5 MgSO4(H2O)7 + 10 NaHCO3 = Mg(OH)2(MgCO3)4 + 5 Na2SO4 + 6 CO2 + 39 H2O
Zm + HCl = ZmCl + H2 =>
2 Zm + 2 HCl = 2 ZmCl + H2
CoCl2*6H2O + NH4Cl + NH3 + H2O2 = [Co(NH3)5Cl]Cl2 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 8 NH3 + H2O2 = 2[Co(NH3)5Cl]Cl2 + 14 H2O
KNO2 + Na2S + H2SO4 = S + NO + K2SO4 + NaOH =>
2 KNO2 + Na2S + H2SO4 = S + 2 NO + K2SO4 + 2 NaOH
CH6N2 + N2O4 = CO2 + H2O + N2 =>
4 CH6N2 + 5 N2O4 = 4 CO2 + 12 H2O + 9 N2
V2O5 + H2SO4 = V2(SO4)5 + H2O =>
V2O5 + 5 H2SO4 = V2(SO4)5 + 5 H2O
Na2CO3(aq) + CaCl2 = NaCl + CaCO3(s) =>
Na2CO3(aq) + CaCl2 = 2 NaCl + CaCO3(s)
Ag(aq) + S(aq) = Ag2S(s) =>
2 Ag(aq) + S(aq) = Ag2S(s)
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
FeS + Br2 + KOH = Fe(OH)3 + KBr + K2SO4 + H2O =>
2 FeS + 9 Br2 + 22 KOH = 2 Fe(OH)3 + 18 KBr + 2 K2SO4 + 8 H2O
CaS + H2O = Ca(OH)2 + H2S =>
CaS + 2 H2O = Ca(OH)2 + H2S
KCN + O2 + H2O + Au = KAu(CN)2KOH =>
8 KCN + O2 + 2 H2O + 4 Au = 4 KAu(CN)2KOH
V2O5 + H2SO4 = (VO2)HSO4 + H2O =>
V2O5 + 2 H2SO4 = 2(VO2)HSO4 + H2O
K2CO3 + Fe(NO3)3 = K2(NO3)3 + FeCO3 =>
K2CO3 + Fe(NO3)3 = K2(NO3)3 + FeCO3
NaCI + SO2 + H2O + O2 = Na2SO4 + HCI =>
4 NaCI + 2 SO2 + 2 H2O + O2 = 2 Na2SO4 + 4 HCI
Ca(NO3)2 + (NH4)2(SO4) = CaSO4 + NH4NO3 =>
Ca(NO3)2 + (NH4)2(SO4) = CaSO4 + 2 NH4NO3
Na2SO4CaCl2 = CaSO4 + NaCl =>
Na2SO4CaCl2 = CaSO4 + 2 NaCl
V + N2 = VN2 =>
V + N2 = VN2
V2O5 + H2SO4 = VOSO4 + H2O + O2 =>
2 V2O5 + 4 H2SO4 = 4 VOSO4 + 4 H2O + O2
AlI3 + NH4OH = Al(OH)3 + NH4I =>
AlI3 + 3 NH4OH = Al(OH)3 + 3 NH4I
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