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2 La2O3 + 4 SrCO3 + 4 NiO = 4 LaSrNiO4 + 4 CO + O2
Ni + HBr = NiBr2 + H =>
Ni + 2 HBr = NiBr2 + 2 H
C6H6 + Br2 = C6H5Br2 + HBr =>
2 C6H6 + 3 Br2 = 2 C6H5Br2 + 2 HBr
Fe(s) + O(g) = Fe3O4(s) =>
3 Fe(s) + 4 O(g) = Fe3O4(s)
H3AsO3 + H2O = H3O + AsO3 =>
H3AsO3 + 3 H2O = 3 H3O + AsO3
Cu(NO3)2(ac) + NaOH(ac) = Cu(OH)2(ac) + NaNO3(ac) =>
Cu(NO3)2(ac) + 2 NaOH(ac) = Cu(OH)2(ac) + 2 NaNO3(ac)
H2S + ClO3{-} = S + Cl{-} + H2O =>
3 H2S + ClO3{-} = 3 S + Cl{-} + 3 H2O
Hg + NaCl = Hg2Cl2 + Na =>
2 Hg + 2 NaCl = Hg2Cl2 + 2 Na
MgO + NO2 = Mg(NO3)2 + NO =>
MgO + 3 NO2 = Mg(NO3)2 + NO
SnCl2 + H2O = SnO + HCl =>
SnCl2 + H2O = SnO + 2 HCl
NH3 + C2H5Cl = N(C2H5)3 + HCl =>
NH3 + 3 C2H5Cl = N(C2H5)3 + 3 HCl
KI(aq) + AgNo3(aq) = KNo3(aq) + AgI(s) =>
KI(aq) + AgNo3(aq) = KNo3(aq) + AgI(s)
CdBr2 + Na2S = CdS + NaBr =>
CdBr2 + Na2S = CdS + 2 NaBr
MnSO4 + H2O = (MnOH)2SO4 + H2SO4 =>
2 MnSO4 + 2 H2O = (MnOH)2SO4 + H2SO4
H4P2O7 + NaOH = Na3PO4 + H2O =>
H4P2O7 + 6 NaOH = 2 Na3PO4 + 5 H2O
ZnCl2 + K2(CO3) = Zn(CO3) + KCl =>
ZnCl2 + K2(CO3) = Zn(CO3) + 2 KCl
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Br2 + SO4 = SO3 + BrO3 =>
Br2 + 6 SO4 = 6 SO3 + 2 BrO3
Ag2SO4 + Cr = Ag + Cr2(SO4)3 =>
3 Ag2SO4 + 2 Cr = 6 Ag + Cr2(SO4)3
MgSO4 + K2CO3 = K2SO4 + MgCO3 =>
MgSO4 + K2CO3 = K2SO4 + MgCO3
Na2CO3 + NaOH = NaOHNa2CO3 =>
Na2CO3 + NaOH = NaOHNa2CO3
C14H30 + O2 = CO2 + H2O =>
2 C14H30 + 43 O2 = 28 CO2 + 30 H2O
KHSO3 + H2SO4 = K2SO4 + SO2 + H2O =>
2 KHSO3 + H2SO4 = K2SO4 + 2 SO2 + 2 H2O
C2H5N + H2O = C2H7NO =>
C2H5N + H2O = C2H7NO
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
KOH + NH4NO3 = NH3 + H2O + KNO3 =>
KOH + NH4NO3 = NH3 + H2O + KNO3
NaHSO4 + HNO3 = NaNO3 + SO3 + H2O =>
NaHSO4 + HNO3 = NaNO3 + SO3 + H2O
C2H6O + Cr2O72{-} + H{+} = C2H4O + H2O + Cr3{+} =>
427 C2H6O + 6 Cr2O72{-} + 10 H{+} = 427 C2H4O + 432 H2O + 4 Cr3{+}
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
CH3COCH3 + H2O = CH3COOH + CH3OH =>
2 CH3COCH3 + 4 H2O = CH3COOH + 4 CH3OH
Pb(NO3)2(aq) + NaCl = PbCl2 + Na(NO3) =>
Pb(NO3)2(aq) + 2 NaCl = PbCl2 + 2 Na(NO3)
Fe(NO3)2 + KCN = K4Fe(CN)6 + KNO3 =>
Fe(NO3)2 + 6 KCN = K4Fe(CN)6 + 2 KNO3
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g)
Mn2O7 = MnO2 + O2 =>
2 Mn2O7 = 4 MnO2 + 3 O2
C3H7Cl + O2 = CO + H2O + Cl2O7 =>
2 C3H7Cl + 10 O2 = 6 CO + 7 H2O + Cl2O7
Pb(C2H3O2)2(aq) + KI(aq) = PbI2(s) + KC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 KI(aq) = PbI2(s) + 2 KC2H3O2(aq)
SnI4 + PPh3 = SnI4(PPh3) =>
SnI4 + PPh3 = SnI4(PPh3)
Ca + Cr(C2H3O2)3 = Ca(C2H3O2)3 + Cr =>
Ca + Cr(C2H3O2)3 = Ca(C2H3O2)3 + Cr
Al + Ag2O = Al2O3 + Ag =>
2 Al + 3 Ag2O = Al2O3 + 6 Ag
Cu(OH2) = Cu + H2O =>
Cu(OH2) = Cu + H2O
CH3OH + Cr2O72{-} + H{+} = HCOOH + Cr3{+} + H2O =>
427 CH3OH + 12 Cr2O72{-} + 20 H{+} = 427 HCOOH + 8 Cr3{+} + 437 H2O
S + KOH = K2S2O3 + K2S + H2O =>
4 S + 6 KOH = K2S2O3 + 2 K2S + 3 H2O
PbO + CH4 = Pb + CO2 + H2O =>
4 PbO + CH4 = 4 Pb + CO2 + 2 H2O
Cl2 + Ca(OH)2 = CaClO4 + CaCl2 + H2O =>
7 Cl2 + 8 Ca(OH)2 = 2 CaClO4 + 6 CaCl2 + 8 H2O
Ti(OH)3 + HNO3 = TiNO3 + H(OH)3 =>
Ti(OH)3 + HNO3 = TiNO3 + H(OH)3
MgF2 + (NH4)3N = Mg3N2 + NH4F =>
3 MgF2 + 2(NH4)3N = Mg3N2 + 6 NH4F
HgSO4 + H2O = HgO + H2SO4 =>
HgSO4 + H2O = HgO + H2SO4
Cu3Cl7 + Zn = Cu + ZnCl2 =>
2 Cu3Cl7 + 7 Zn = 6 Cu + 7 ZnCl2
Mg + KMnO4 = K + MgMnO4 =>
Mg + KMnO4 = K + MgMnO4
Co + BaI2 = CoI + Ba =>
2 Co + BaI2 = 2 CoI + Ba
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