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H2S + Pb(C2H3O2)2 = PbS + 2 HCH3COO
NaBr(aq) + H2SO4(aq) = Na2SO4(aq) + Br2(l) + H2O(l) + H2S(g) =>
8 NaBr(aq) + 5 H2SO4(aq) = 4 Na2SO4(aq) + 4 Br2(l) + 4 H2O(l) + H2S(g)
HgCl2 + NH4OH = Hg(OH)2 + NH4Cl =>
HgCl2 + 2 NH4OH = Hg(OH)2 + 2 NH4Cl
Cs2O + HCl = CsCl + H2O =>
Cs2O + 2 HCl = 2 CsCl + H2O
Ca(NO3)2 + H2O = Ca(OH)2 + N2O5 =>
Ca(NO3)2 + H2O = Ca(OH)2 + N2O5
Hg(NO3)2(s) = HgO(s) + NO2(g) + O2(g) =>
2 Hg(NO3)2(s) = 2 HgO(s) + 4 NO2(g) + O2(g)
Pb(NO3)2 + Sn(SO4)2 = Pb(SO4) + Sn(NO3)4 =>
2 Pb(NO3)2 + Sn(SO4)2 = 2 Pb(SO4) + Sn(NO3)4
AsH3 + MnO4{-} + H{+} = H2AsO4{-} + Mn + H2O =>
7 AsH3 + 8 MnO4{-} + H{+} = 7 H2AsO4{-} + 8 Mn + 4 H2O
NH4(OH) + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4(OH) + H3PO4 = (NH4)3PO4 + 3 H2O
CsCl(aq) + CaS(aq) = Cs2S(aq) + CaCl2(aq) =>
2 CsCl(aq) + CaS(aq) = Cs2S(aq) + CaCl2(aq)
KMnO4 + NaOH + KI = K2MnO2 + Na2O + KOH + I2 =>
2 KMnO4 + 8 NaOH + 10 KI = 2 K2MnO2 + 4 Na2O + 8 KOH + 5 I2
Cu(CH3COO)2 + KOH = Cu(OH)2 + CH3CO2K =>
Cu(CH3COO)2 + 2 KOH = Cu(OH)2 + 2 CH3CO2K
Ho2O3 + H2S = Ho2S3 + H2O =>
Ho2O3 + 3 H2S = Ho2S3 + 3 H2O
Cu(CH3COO)2 + NaOH = Cu(OH)2 + C2H3NaO2 =>
Cu(CH3COO)2 + 2 NaOH = Cu(OH)2 + 2 C2H3NaO2
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Cr(OH)3 + HClO4 = Cr(OH)2ClO4 + H2O =>
Cr(OH)3 + HClO4 = Cr(OH)2ClO4 + H2O
Cu(ClO3)2 + CaF2 = CuF2 + Ca(ClO3)2 =>
Cu(ClO3)2 + CaF2 = CuF2 + Ca(ClO3)2
Cu(NO3)2(aq) + Na3PO4(aq) = CuPO4(s) + Na3(NO3)2(aq) =>
Cu(NO3)2(aq) + Na3PO4(aq) = CuPO4(s) + Na3(NO3)2(aq)
Ba(ClO2)2 + Ni(C2H3O2)3 = Ba(C2H3O2)2 + Ni(ClO2)3 =>
3 Ba(ClO2)2 + 2 Ni(C2H3O2)3 = 3 Ba(C2H3O2)2 + 2 Ni(ClO2)3
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H2SO4 + KIO3 = H2IO3 + SO4K =>
H2SO4 + KIO3 = H2IO3 + SO4K
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Cu(NO3)2 + NH4SCN = Cu(SCN)2 + NH4NO3 =>
Cu(NO3)2 + 2 NH4SCN = Cu(SCN)2 + 2 NH4NO3
Cu(OH)2 + CH2O = HCOOH + H2O + Cu2O =>
2 Cu(OH)2 + CH2O = HCOOH + 2 H2O + Cu2O
CaF2 + I2 = IF + Ca =>
CaF2 + I2 = 2 IF + Ca
CH3CHO + Ag(NH3)2{+} + OH{-} = CH3COO{-} + Ag + NH3 + H2O =>
CH3CHO + 2 Ag(NH3)2{+} + 3 OH{-} = CH3COO{-} + 2 Ag + 4 NH3 + 2 H2O
Cu(OH)2 + NaNO3 = CuNO3 + Na(OH)2 =>
Cu(OH)2 + NaNO3 = CuNO3 + Na(OH)2
Al + Ni(SO4) = (AlSO4) + Ni =>
Al + Ni(SO4) = (AlSO4) + Ni
K2CO3 + I2 = CO2 + KI + KIO3 =>
3 K2CO3 + 3 I2 = 3 CO2 + 5 KI + KIO3
Cu(aq) + OH(aq) = Cu(OH)2(aq) =>
Cu(aq) + 2 OH(aq) = Cu(OH)2(aq)
Mg(s) + HCl(ag) = MgCl2 + H2 =>
Mg(s) + 2 HCl(ag) = MgCl2 + H2
NaHCO3(s) + HC2H3O2(aq) = CO3(g) + H2O(l) + NaC2H3O2 =>
6 NaHCO3(s) + 5 HC2H3O2(aq) = 4 CO3(g) + 4 H2O(l) + 6 NaC2H3O2
HCOH + [Ag(NH3)2]OH = Ag + NH3 + H2O + HCOONH4 =>
HCOH + 2[Ag(NH3)2]OH = 2 Ag + 3 NH3 + H2O + HCOONH4
MgCl2 + Pb(NO3)2 = Mg(NO3)2 + PbCl2 =>
MgCl2 + Pb(NO3)2 = Mg(NO3)2 + PbCl2
Ca + FeFl3 = CaFl + Fe =>
3 Ca + FeFl3 = 3 CaFl + Fe
Sn + Al(NO3)3 = AlSn + Sn(NO3)4 =>
7 Sn + 4 Al(NO3)3 = 4 AlSn + 3 Sn(NO3)4
StrontiumNitrate + CopperSulfate = StrontiumSulfate + CopperNitrate =>
StrontiumNitrate + CopperSulfate = StrontiumSulfate + CopperNitrate
Cu(s) + FeSO4(aq) = CuSO4(aq) + Fe(s) =>
Cu(s) + FeSO4(aq) = CuSO4(aq) + Fe(s)
CUS + HNO3 = CU(NO3)2 + NO2 + S5 + H2O =>
5 CUS + 20 HNO3 = 5 CU(NO3)2 + 10 NO2 + S5 + 10 H2O
Cu + (NH4)2S = CuS + (NH4)2 =>
Cu + (NH4)2S = CuS + (NH4)2
Al2S3 + FeO = Al2O + FeS3 =>
Al2S3 + FeO = Al2O + FeS3
H2SiO3 = H2O + SiO2 =>
H2SiO3 = H2O + SiO2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Na3(PO4) + KCl = NaCl + K3PO4 =>
Na3(PO4) + 3 KCl = 3 NaCl + K3PO4
Al2(SO3)3 + H3N = AlN + H2O + SO2 =>
Al2(SO3)3 + 2 H3N = 2 AlN + 3 H2O + 3 SO2
K2Cr2O7 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + I + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 4 K2SO4 + Cr2(SO4)3 + 6 I + 7 H2O
Li3PO4 + NaOH = NaPO4 + Li3OH =>
Li3PO4 + NaOH = NaPO4 + Li3OH
Na3S2O3 + KMnO4 + HNO3 = Na2SO4 + H2SO4 + Mn(NO3)2 + KNO3 + H2O =>
10 Na3S2O3 + 18 KMnO4 + 54 HNO3 = 15 Na2SO4 + 5 H2SO4 + 18 Mn(NO3)2 + 18 KNO3 + 22 H2O
Ca(s) + H2(g)(heat) = CaH2 =>
Ca(s) + H2(g)(heat) = CaH2
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