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2 PbO + Na2SO2 = 2 Pb + Na2SO4
CH502 + O2 = CO2 + H2O =>
2 CH502 + 253 O2 = 2 CO2 + 502 H2O
Ra + Se = RaSe =>
Ra + Se = RaSe
KFeI2 + Cl2 = I2 + FeCl2 + KCl =>
2 KFeI2 + 3 Cl2 = 2 I2 + 2 FeCl2 + 2 KCl
K(s) + PbBr2(aq) = Pb(s) + KBr2(aq) =>
K(s) + PbBr2(aq) = Pb(s) + KBr2(aq)
Ag2SO4(aq) + AlCl3(aq) = AgCl(s) + Al2(SO4)3 =>
3 Ag2SO4(aq) + 2 AlCl3(aq) = 6 AgCl(s) + Al2(SO4)3
NF2 + H2 = N2 + HF =>
2 NF2 + 2 H2 = N2 + 4 HF
CO(g) + H2(g) = C8H18(l) + H2O =>
8 CO(g) + 17 H2(g) = C8H18(l) + 8 H2O
Ag2S + HCl = H2S + AgCl =>
Ag2S + 2 HCl = H2S + 2 AgCl
BF3(g) + H2O(l) = HF(aq) + H3BO3(aq) =>
BF3(g) + 3 H2O(l) = 3 HF(aq) + H3BO3(aq)
H2O + Al + H2BO3{-} = BH4{-} + H2AlO3{-} + H{+} =>
15 H2O + 8 Al + 3 H2BO3{-} = 3 BH4{-} + 8 H2AlO3{-} + 8 H{+}
HCl + NaCl + BaCO3 = BaCl2 + NaCO3 + H =>
HCl + NaCl + BaCO3 = BaCl2 + NaCO3 + H
H3BO3 + Mg = Mg(BO3)2 + H2 =>
2 H3BO3 + Mg = Mg(BO3)2 + 3 H2
(C2H5)3N + HNO3 = (C2H5)3NH + NO3 =>
(C2H5)3N + HNO3 = (C2H5)3NH + NO3
Sn(SO4)2 + Fe(NO3)3 = Sn(NO3)4 + Fe2(SO4)3 =>
3 Sn(SO4)2 + 4 Fe(NO3)3 = 3 Sn(NO3)4 + 2 Fe2(SO4)3
NaHCo3 = Na2 + H2 + Co2 =>
2 NaHCo3 = Na2 + H2 + 3 Co2
NaCl + Cu = ClCu + Na =>
NaCl + Cu = ClCu + Na
H2SnCl4 + Hg(NO3)2 + HCl = Hg + H2SnCl6 + HNO3 =>
H2SnCl4 + Hg(NO3)2 + 2 HCl = Hg + H2SnCl6 + 2 HNO3
KMnO4 = K2MnO4 + Mn02 + O2 =>
4 KMnO4 = 2 K2MnO4 + Mn02 + 4 O2
Na2CO3KI = KCO3 + Na2I =>
Na2CO3KI = KCO3 + Na2I
KMnO4 + KHS + H2SO4 = K2SO4 + MnSO4 + H2O =>
16 KMnO4 + 10 KHS + 19 H2SO4 = 13 K2SO4 + 16 MnSO4 + 24 H2O
NaOH + Pb(NO2)2 = Pb(OH)2 + NaNO2 =>
2 NaOH + Pb(NO2)2 = Pb(OH)2 + 2 NaNO2
PBr4 = Br + P =>
PBr4 = 4 Br + P
Cr{2\+} + OH{-} = Cr(OH)2 =>
Cr{2\+} + 2 OH{-} = Cr(OH)2
CrOH2O = CrH2O2 =>
CrOH2O = CrH2O2
Na2S + KMnO4 + NaOH = K2MnO4 + Na2MnO4 + Na2SO4 + H2O =>
Na2S + 8 KMnO4 + 8 NaOH = 4 K2MnO4 + 4 Na2MnO4 + Na2SO4 + 4 H2O
NaBr(g) + Cl2(g) = NaCl(g) + Br2(g) =>
2 NaBr(g) + Cl2(g) = 2 NaCl(g) + Br2(g)
C3H7OH + O2 = C + H2O =>
2 C3H7OH + 3 O2 = 6 C + 8 H2O
FeSO4 + O2 + H2SO4 = Fe2(SO4)3 + H2O =>
4 FeSO4 + O2 + 2 H2SO4 = 2 Fe2(SO4)3 + 2 H2O
FeS2 + Br2 + KOH = Fe(OH)3 + KBr + K2SO4 + H2O =>
2 FeS2 + 15 Br2 + 38 KOH = 2 Fe(OH)3 + 30 KBr + 4 K2SO4 + 16 H2O
KIO4 + MnCl2 + H2O + KCl = KMnO4 + KIO3 + HCl =>
5 KIO4 + 2 MnCl2 + 3 H2O + 2 KCl = 2 KMnO4 + 5 KIO3 + 6 HCl
NaOHSO3 = NaHSO4 =>
NaOHSO3 = NaHSO4
BaCO3ZnSO4 = ZnCO3BaSO4 =>
BaCO3ZnSO4 = ZnCO3BaSO4
C2N14 + O2 = CO2 + N2 =>
C2N14 + 2 O2 = 2 CO2 + 7 N2
NH4H2PO4 + MnO2 + H3PO4 = NH4MnP2O7 + H2O + N2 =>
8 NH4H2PO4 + 6 MnO2 + 4 H3PO4 = 6 NH4MnP2O7 + 18 H2O + N2
Mg24 + O16 = MgO =>
2 Mg24 + 3 O16 = 48 MgO
NaClO3 + MnO2 + NaOH = NaCl + Na2MnO4 + H2O =>
NaClO3 + 3 MnO2 + 6 NaOH = NaCl + 3 Na2MnO4 + 3 H2O
Be(HCO3)2 + HCl = BeCl2 + H2O + CO2 =>
Be(HCO3)2 + 2 HCl = BeCl2 + 2 H2O + 2 CO2
PbCl4 + NaBr = PbBr4 + NaCl =>
PbCl4 + 4 NaBr = PbBr4 + 4 NaCl
C2C2 + H2 = C6H6 =>
3 C2C2 + 6 H2 = 2 C6H6
NaHCO3 + HPO3 = Na3PO4 + CO2 + H2O =>
3 NaHCO3 + HPO3 = Na3PO4 + 3 CO2 + 2 H2O
SnCl2 + NaOH = Na2SnO2 + NaCl + H2O =>
SnCl2 + 4 NaOH = Na2SnO2 + 2 NaCl + 2 H2O
NH4Cl + CaO = CaCl2 + NH3 + H2O =>
2 NH4Cl + CaO = CaCl2 + 2 NH3 + H2O
LiH2O = LiOH + H =>
LiH2O = LiOH + H
C4H9OH = C4H8 + H2O =>
C4H9OH = C4H8 + H2O
HClO4 + Ca(OH)2 = H2O + CaClO4 + OH =>
HClO4 + Ca(OH)2 = H2O + CaClO4 + OH
H3PO3 + HBrO3 + Co(OH)3 = CoHPO3BrO3 + H2O =>
H3PO3 + HBrO3 + Co(OH)3 = CoHPO3BrO3 + 3 H2O
CuO + Cl2 = CuCl2 + Cl2O7 =>
7 CuO + 8 Cl2 = 7 CuCl2 + Cl2O7
NaNO3 + ZnCl2 = NaCl + Zn(NO3)2 =>
2 NaNO3 + ZnCl2 = 2 NaCl + Zn(NO3)2
Cu(s) + Ag(NO3)(aq) = Ag(s) + Cu(NO3)2 =>
Cu(s) + 2 Ag(NO3)(aq) = 2 Ag(s) + Cu(NO3)2
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