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(NH4)2SO4 + CaCO3 = (NH4)2CO3 + CaSO4
P(s) + Cl2 = PCl3 =>
2 P(s) + 3 Cl2 = 2 PCl3
Pb + Ni = PbNi =>
Pb + Ni = PbNi
Pb(NO3)2 + K(OH) = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 K(OH) = Pb(OH)2 + 2 KNO3
KMnO4 + HBr = KBr + MnBr2 + Br2 + H2O =>
2 KMnO4 + 16 HBr = 2 KBr + 2 MnBr2 + 5 Br2 + 8 H2O
Na + H2S04 = Na2S04 + H2 =>
2 Na + H2S04 = Na2S04 + H2
Na + Fe2(CrO4)3 = Na2(CrO4) + Fe =>
6 Na + Fe2(CrO4)3 = 3 Na2(CrO4) + 2 Fe
S8(s) + F2(g) = SF6 =>
S8(s) + 24 F2(g) = 8 SF6
NiO + CH4 = Ni + CO2 + H2O =>
4 NiO + CH4 = 4 Ni + CO2 + 2 H2O
PdO + CO = PdC + O2 =>
PdO + CO = PdC + O2
Ca + H{+} = Ca{2+} + H2 =>
Ca + 2 H{+} = Ca{2+} + H2
KO3 + H2 + MgO4 = KO4 + MgH2O =>
3 KO3 + H2 + MgO4 = 3 KO4 + MgH2O
CuCl2 + CuO = Cu2Cl2O =>
CuCl2 + CuO = Cu2Cl2O
KI = I2 + K2 =>
2 KI = I2 + K2
ReO2 + KNO3 = K2ReO4 + NO2 =>
ReO2 + 2 KNO3 = K2ReO4 + 2 NO2
Cu(CH3COO) + HCl = CuCl + CH3COOH =>
Cu(CH3COO) + HCl = CuCl + CH3COOH
PbCl + O2 = PbClO2 =>
PbCl + O2 = PbClO2
C3H8O3 = C(s) + H2(g) + O2(g) =>
2 C3H8O3 = 6 C(s) + 8 H2(g) + 3 O2(g)
KMnO4 + C6H5CHO + KOH = K2MnO4 + C6H5COOK + H2O =>
2 KMnO4 + C6H5CHO + 3 KOH = 2 K2MnO4 + C6H5COOK + 2 H2O
Na2SO3 + HNO3 = NaNO3 + SO2 + H2O =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + SO2 + H2O
Fe2 + CO3 = Fe2(CO3)3 =>
Fe2 + 3 CO3 = Fe2(CO3)3
MgCO3 + NaBr = MgBr2 + Na2CO3 =>
MgCO3 + 2 NaBr = MgBr2 + Na2CO3
H2(g) + Br(l) = HBr(g) =>
H2(g) + 2 Br(l) = 2 HBr(g)
Ca{2+} + Br{-} = Ca + Br2 =>
Ca{2+} + 2 Br{-} = Ca + Br2
Fe(s) + CO2(g) = Fe2O3(s) + CO(s) =>
2 Fe(s) + 3 CO2(g) = Fe2O3(s) + 3 CO(s)
Fe + NiSO4 = FeSO4 + Ni =>
Fe + NiSO4 = FeSO4 + Ni
NaI(aq) + BaS(aq) = NaS(aq) + BaI(aq) =>
NaI(aq) + BaS(aq) = NaS(aq) + BaI(aq)
CeNiO3 = CeO2 + Ni + O2 =>
2 CeNiO3 = 2 CeO2 + 2 Ni + O2
S2 + KOH = K2S + K2SO3 + H2O =>
3 S2 + 12 KOH = 4 K2S + 2 K2SO3 + 6 H2O
Cu2 + I = CuI2 =>
Cu2 + 4 I = 2 CuI2
Mg + HClO = MgClO + H2 =>
2 Mg + 2 HClO = 2 MgClO + H2
PbO2 + H2O2 + KOH = K[Pb(OH)3] + O2 =>
PbO2 + H2O2 + KOH = K[Pb(OH)3] + O2
HNO2 + Sn = Sn(NO2)2 + H2 =>
2 HNO2 + Sn = Sn(NO2)2 + H2
Al + Fe(C2H3O2)2 = Al(C2H3O2)2 + Fe =>
Al + Fe(C2H3O2)2 = Al(C2H3O2)2 + Fe
PbCl2(aq) + Li2SO4(aq) = PbSO4(aq) + LiCl(aq) =>
PbCl2(aq) + Li2SO4(aq) = PbSO4(aq) + 2 LiCl(aq)
C7H5(NO2)3 = C + CO + N2 + H2O =>
2 C7H5(NO2)3 = 7 C + 7 CO + 3 N2 + 5 H2O
BaO + Cl = BaCl2 + O =>
BaO + 2 Cl = BaCl2 + O
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
NH3 + Br2 + H2O = HBr + NO2 =>
2 NH3 + 7 Br2 + 4 H2O = 14 HBr + 2 NO2
Cu2CO3(OH)2*H2O = CuO + H2CO3 + H2O =>
Cu2CO3(OH)2*H2O = 2 CuO + H2CO3 + H2O
Au + HI = AuI + H =>
Au + HI = AuI + H
Fe(OH)3 + H3BO3 = HOH + FeBO3 =>
Fe(OH)3 + H3BO3 = 3 HOH + FeBO3
PbCl2(aq) + Li2SO4(aq) = PbSO4(aq) + LiCl(aq) =>
PbCl2(aq) + Li2SO4(aq) = PbSO4(aq) + 2 LiCl(aq)
NaAlSi3O8 + CO2 + H2O = NaAl2(AlSi3O10)(OH)2 + H4SiO4 + NaHCO3 =>
3 NaAlSi3O8 + 2 CO2 + 14 H2O = NaAl2(AlSi3O10)(OH)2 + 6 H4SiO4 + 2 NaHCO3
Zn + HC2H3O2 = H2 + Zn(C2H3O2)2 =>
Zn + 2 HC2H3O2 = H2 + Zn(C2H3O2)2
Fe + HC1 = FeC1 + H2 =>
2 Fe + 2 HC1 = 2 FeC1 + H2
HCOONa + O2 = Na2CO3 + CO2 + H2O =>
2 HCOONa + O2 = Na2CO3 + CO2 + H2O
Ba + H3PO4 = Ba3(PO4)3 + H2 =>
6 Ba + 6 H3PO4 = 2 Ba3(PO4)3 + 9 H2
HOCH2CO2H + Na2CO3 = C2H3NaO3 + H2O + CO2 =>
2 HOCH2CO2H + Na2CO3 = 2 C2H3NaO3 + H2O + CO2
Bi + KI = BiI + K =>
Bi + KI = BiI + K
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