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2 HgO = 2 Hg + O2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Cs(OH)2 + PCl3 = CsCl2 + P(OH)3 =>
3 Cs(OH)2 + 2 PCl3 = 3 CsCl2 + 2 P(OH)3
Br2 + H2O = HBr + O2 =>
2 Br2 + 2 H2O = 4 HBr + O2
NH3(g) + HCl(ac) = NH4Cl(ac) =>
NH3(g) + HCl(ac) = NH4Cl(ac)
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
F + I = FI3 =>
F + 3 I = FI3
(NH4)2CO3 + Cu(C2H3O2)2 = CH3COONH4 + CuCO3 =>
(NH4)2CO3 + Cu(C2H3O2)2 = 2 CH3COONH4 + CuCO3
HClO4 + P4 + H2O = Cl2 + H3PO4 =>
20 HClO4 + 7 P4 + 32 H2O = 10 Cl2 + 28 H3PO4
Zn(s) + MgCl2(aq) = Mg(s) + ZnCl2(aq) =>
Zn(s) + MgCl2(aq) = Mg(s) + ZnCl2(aq)
Na2PO4 + Ca(NO3)2 = Na2(NO3)2 + CaPO4 =>
Na2PO4 + Ca(NO3)2 = Na2(NO3)2 + CaPO4
ZnBr2 + Cl2 = ClBr + Zn =>
ZnBr2 + Cl2 = 2 ClBr + Zn
H2Se + Ca(OH)2 = CaSe + H2O =>
H2Se + Ca(OH)2 = CaSe + 2 H2O
CuCl2 + H2SO4 = CuSO4 + SO2 + H2O + Cl2 =>
CuCl2 + 2 H2SO4 = CuSO4 + SO2 + 2 H2O + Cl2
CuCl + KPO4{3-} = CuPO4{3-} + KCl =>
CuCl + KPO4{3-} = CuPO4{3-} + KCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3COOH + Li(OH) = LiC2H3O2 + H2O =>
CH3COOH + Li(OH) = LiC2H3O2 + H2O
NaI = Na + I2 =>
2 NaI = 2 Na + I2
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
NiSO4 + (NH2)2 + NaOH = Ni + Na2SO4 + H2O + N2 =>
2 NiSO4 + (NH2)2 + 4 NaOH = 2 Ni + 2 Na2SO4 + 4 H2O + N2
Al(aq) + Fe2O3(s) = Al2O3(s) + Fe(aq) =>
2 Al(aq) + Fe2O3(s) = Al2O3(s) + 2 Fe(aq)
CH4 + OH{-} = CO2 + H2O + e =>
CH4 + 8 OH{-} = CO2 + 6 H2O + 8e
AB5 + C2D = C3AD4 + CB =>
AB5 + 4 C2D = C3AD4 + 5 CB
(NH4)3PO4Mo12O36 + SnCl2 = Sn(NH4)3PO4Mo12O36 + Cl2 =>
(NH4)3PO4Mo12O36 + SnCl2 = Sn(NH4)3PO4Mo12O36 + Cl2
N2(g) + O2 = N2O3 =>
2 N2(g) + 3 O2 = 2 N2O3
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
AgNO3 + K2SO4 = Ag2SO4 + NO3K =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 NO3K
HNO3 + Na2S = S + N2O + NaNO3 + H2O =>
10 HNO3 + 4 Na2S = 4 S + N2O + 8 NaNO3 + 5 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
HF + SiO2 = H2SiF6 + H2O =>
6 HF + SiO2 = H2SiF6 + 2 H2O
Zn + NaOH = Na2ZnO2 + H2 =>
Zn + 2 NaOH = Na2ZnO2 + H2
HCOOH + Ca(OH)2 = (HCOO)2Ca + H2O =>
2 HCOOH + Ca(OH)2 = (HCOO)2Ca + 2 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
NaOH(aq) + H2SO4(l) = Na2SO4(aq) + H2O(l) =>
2 NaOH(aq) + H2SO4(l) = Na2SO4(aq) + 2 H2O(l)
KOH + SO4 = K2SO4 + OH =>
2 KOH + SO4 = K2SO4 + 2 OH
CH2 + H2O = CH3OH =>
CH2 + H2O = CH3OH
N + H2O = NO + H2 =>
N + H2O = NO + H2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Pb(NO3)2(aq) + Na2CrO4(aq) = PbCrO4(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2CrO4(aq) = PbCrO4(s) + 2 NaNO3(aq)
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
CrO + HBr = CrBr2 + H2O =>
CrO + 2 HBr = CrBr2 + H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ag(s) + H2S(g) + O2 = Ag2S(s) + H2O(g) =>
4 Ag(s) + 2 H2S(g) + O2 = 2 Ag2S(s) + 2 H2O(g)
Cu + K2S2O8 = CuSO4 + K2SO4 =>
Cu + K2S2O8 = CuSO4 + K2SO4
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
K2Cr2O7 + Na2S = Na2Cr2O7 + K2S =>
K2Cr2O7 + Na2S = Na2Cr2O7 + K2S
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
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