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Na2S + 2 K = K2S + 2 Na
C3H7NO2 + Zn + KOH + H2O = C3H7NH2 + KZn(OH)3 =>
C3H7NO2 + 3 Zn + 3 KOH + 4 H2O = C3H7NH2 + 3 KZn(OH)3
CaCO3 + SiO2 = Ca2SiO4 + CO2 =>
2 CaCO3 + SiO2 = Ca2SiO4 + 2 CO2
NiCl2 = Ni + Cl =>
NiCl2 = Ni + 2 Cl
CH3CHClCOOH + NH3 = CH3CHNH2COOH + NH4Cl =>
CH3CHClCOOH + 2 NH3 = CH3CHNH2COOH + NH4Cl
PbCl4 + Na = NaCl + Pb =>
PbCl4 + 4 Na = 4 NaCl + Pb
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
H2O2 + H2SO4 + CuI = CuSO4 + HIO3 + H2O =>
7 H2O2 + 2 H2SO4 + 2 CuI = 2 CuSO4 + 2 HIO3 + 8 H2O
C6H7N + C4H6O3 = C8H9NO + CH3COOH =>
C6H7N + C4H6O3 = C8H9NO + CH3COOH
Ca(HCO3)2 + Ca(OH)2 = CaCO3 + H2O =>
Ca(HCO3)2 + Ca(OH)2 = 2 CaCO3 + 2 H2O
Fe3O4 + HI = FeI + I + H2O =>
Fe3O4 + 8 HI = 3 FeI + 5 I + 4 H2O
C6H5NO2 + H2 = C6H5NH2 + H2O =>
C6H5NO2 + 3 H2 = C6H5NH2 + 2 H2O
NH3 + C2H5OH = N(C2H5)3 + H2O =>
NH3 + 3 C2H5OH = N(C2H5)3 + 3 H2O
Cr + KClO3 = Cr2O3 + KCl =>
2 Cr + KClO3 = Cr2O3 + KCl
AgBr + NaNO3 = AgNO3 + NaBr =>
AgBr + NaNO3 = AgNO3 + NaBr
AlBr3 = Al + Br2 =>
2 AlBr3 = 2 Al + 3 Br2
Pb(NO3)2 + CH3COOK = PbCOOK + (NO3)2CH3 =>
Pb(NO3)2 + CH3COOK = PbCOOK + (NO3)2CH3
H2SO4 + Pb(C2H3O2)2 = CH3COOH + Pb(SO4) =>
H2SO4 + Pb(C2H3O2)2 = 2 CH3COOH + Pb(SO4)
P4 + KOH + H2O = KH2PO2 + PH4 =>
5 P4 + 16 KOH + 16 H2O = 16 KH2PO2 + 4 PH4
(NH4)2(C2O4) + Al(ClO4)3 = NH4ClO4 + Al2(C2O4)3 =>
3(NH4)2(C2O4) + 2 Al(ClO4)3 = 6 NH4ClO4 + Al2(C2O4)3
AgCl + Hg(No3)2 = Ag(No3) + HgCl2 =>
2 AgCl + Hg(No3)2 = 2 Ag(No3) + HgCl2
Fe(NO3)3 + Cs3PO4 = CsNO3 + Fe3(PO4)3 =>
3 Fe(NO3)3 + 3 Cs3PO4 = 9 CsNO3 + Fe3(PO4)3
Na3AsO3 + CuSO4 + NaOH = Na3AsO4 + Na2SO4 + Cu2O + H2O =>
Na3AsO3 + 2 CuSO4 + 4 NaOH = Na3AsO4 + 2 Na2SO4 + Cu2O + 2 H2O
K2CO3 = K2 + (CO3) =>
K2CO3 = K2 + (CO3)
KCl + ZnO = K2O + ZnCl2 =>
2 KCl + ZnO = K2O + ZnCl2
Ca(NO3)2 + Al(NO3)3*9H2O + Zn(NO3)2 + CH4N2O = Ca3Al4ZnO10 + N2 + H2O + CO2 =>
9 Ca(NO3)2 + 12 Al(NO3)3*9H2O + 3 Zn(NO3)2 + 50 CH4N2O = 3 Ca3Al4ZnO10 + 80 N2 + 208 H2O + 50 CO2
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
MoO3 + Mg = MgO + Mo =>
MoO3 + 3 Mg = 3 MgO + Mo
KI(aq) + CI2(g) = KCI(aq) + I2(g) =>
KI(aq) + CI2(g) = KCI(aq) + I2(g)
Cu(ClO4)2 + NH4OH = Cu(OH)2 + NH4 + ClO4 =>
Cu(ClO4)2 + 2 NH4OH = Cu(OH)2 + 2 NH4 + 2 ClO4
Ca{2+} + Mg(s) = Mg{2+} + Ca(s) =>
Ca{2+} + Mg(s) = Mg{2+} + Ca(s)
NH4NO + H2O = (NH4)2O + HNO3 =>
4 NH4NO + 5 H2O = 3(NH4)2O + 2 HNO3
K2(CO3) + HCl = KCl + H2O + CO2 =>
K2(CO3) + 2 HCl = 2 KCl + H2O + CO2
CuSO4*6H2O + NH3 = Cu(NH3)4SO4 + H2O =>
CuSO4*6H2O + 4 NH3 = Cu(NH3)4SO4 + 6 H2O
SO3 + HCl = HSO3Cl =>
SO3 + HCl = HSO3Cl
Al(OH)3 + NaOH = NaAlO2 + H2O =>
Al(OH)3 + NaOH = NaAlO2 + 2 H2O
Fe(OH)3 + K2O = KFeO2 + H2O =>
2 Fe(OH)3 + K2O = 2 KFeO2 + 3 H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
MgCl2 + Na2CO3 = MgCO3 + NaCl =>
MgCl2 + Na2CO3 = MgCO3 + 2 NaCl
MnO2 + I2 + KOH = K2MnO4 + KI + H2O =>
MnO2 + I2 + 4 KOH = K2MnO4 + 2 KI + 2 H2O
CaSiO3 + H2CO3 = CaCO3 + H2SiO3 =>
CaSiO3 + H2CO3 = CaCO3 + H2SiO3
PbS + NH4OH = Pb(OH)2 + (NH4)2S =>
PbS + 2 NH4OH = Pb(OH)2 + (NH4)2S
ZnC2O4 + H2SO4 = C2H2O4 + ZnSO4 =>
ZnC2O4 + H2SO4 = C2H2O4 + ZnSO4
KI(aq) + FeCl3(aq) = FeI3() + KCl() =>
3 KI(aq) + FeCl3(aq) = FeI3() + 3 KCl()
MgCl2 + Na2CO3 = MgCO3 + NaCl =>
MgCl2 + Na2CO3 = MgCO3 + 2 NaCl
Pb{+2} + S{-2} = PbS =>
Pb{+2} + S{-2} = PbS
KMnO4(s) + HCl(aq) = MnCl2(aq) + Cl2(g) + KCl(aq) + H2O(l) =>
2 KMnO4(s) + 16 HCl(aq) = 2 MnCl2(aq) + 5 Cl2(g) + 2 KCl(aq) + 8 H2O(l)
Cu(H2O)6{2+} + Cl{-} = CuCl4{2-} + H2O =>
Cu(H2O)6{2+} + 4 Cl{-} = CuCl4{2-} + 6 H2O
Se + Zn = SeZn =>
Se + Zn = SeZn
Mn(NO3)2 + NaOH = MnOH + Na(NO3)2 =>
Mn(NO3)2 + NaOH = MnOH + Na(NO3)2
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