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2 NaCl + (NH4)2S = Na2S + 2 NH4Cl
H7 + F6 = H2F6 =>
2 H7 + 7 F6 = 7 H2F6
CaCO3 + HCOOH = H2O + Ca(COOH)2 + CO2 =>
CaCO3 + 2 HCOOH = H2O + Ca(COOH)2 + CO2
NaOH + MgOH2 = MgOH + NaOH2 =>
NaOH + MgOH2 = MgOH + NaOH2
Ba(Cl)2 + Fe2(SO4)3 = BaSO4 + Fe(Cl)3 =>
3 Ba(Cl)2 + Fe2(SO4)3 = 3 BaSO4 + 2 Fe(Cl)3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ca3(PO4)2 + H2SO4 + H2O = H3PO4 + [CaSO4*2H2O] =>
Ca3(PO4)2 + 3 H2SO4 + 6 H2O = 2 H3PO4 + 3[CaSO4*2H2O]
Fe(C2H3O2)3 + K2CO3 = Fe2(CO3)3 + KC2H3O2 =>
2 Fe(C2H3O2)3 + 3 K2CO3 = Fe2(CO3)3 + 6 KC2H3O2
PbCl2 + KI = KCl + PbI2 =>
PbCl2 + 2 KI = 2 KCl + PbI2
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Sb5 + O2 = Sb2O5 =>
4 Sb5 + 25 O2 = 10 Sb2O5
NH3 + Na2CO3 + C = Na(NH3) + CO2 =>
4 NH3 + 2 Na2CO3 + C = 4 Na(NH3) + 3 CO2
K3N + KOH = NH3 + K2O =>
K3N + 3 KOH = NH3 + 3 K2O
Zn + Pb(NO4)3 = Zn(NO4)2 + Pb =>
3 Zn + 2 Pb(NO4)3 = 3 Zn(NO4)2 + 2 Pb
RuOH + H2SO4 = H2O + Ru2SO4 =>
2 RuOH + H2SO4 = 2 H2O + Ru2SO4
Zn + KOH = K2ZnO2 + H2 =>
Zn + 2 KOH = K2ZnO2 + H2
Ag3NO + NaCl = AgCl + Na3NO =>
Ag3NO + 3 NaCl = 3 AgCl + Na3NO
NaCl(aq) + Ca(NO3)2(aq) = CaCl2(aq) + Na2(NO3)2(aq) =>
2 NaCl(aq) + Ca(NO3)2(aq) = CaCl2(aq) + Na2(NO3)2(aq)
C4H9OH + C3H7COOH = CH3COOC3H7 + H2O =>
C4H9OH + 4 C3H7COOH = 4 CH3COOC3H7 + H2O
CH3CH(OH)CH2CH3 + KMnO4 + H2SO4 = K2(SO4)3 + Mn2SO4 + CH3CH3CO + H2O =>
3 CH3CH(OH)CH2CH3 + 2 KMnO4 + 4 H2SO4 = K2(SO4)3 + Mn2SO4 + 4 CH3CH3CO + 7 H2O
S + Co = Co2S =>
S + 2 Co = Co2S
NH4 + OH = NH3 + H2O =>
NH4 + OH = NH3 + H2O
PbNO + NaCl = PbCl + NaNO =>
PbNO + NaCl = PbCl + NaNO
C2 + H = CH4 =>
C2 + 8 H = 2 CH4
Mg + S = Mg2S2 =>
2 Mg + 2 S = Mg2S2
Al + NaO + H2O = NaAl(OH)4 + H2 =>
Al + NaO + 3 H2O = NaAl(OH)4 + H2
NO + H2O = HNO3 + N2 =>
10 NO + 2 H2O = 4 HNO3 + 3 N2
[Ag(NH3)2]OH + HCHO = HCOONH4 + NH3 + H2O + Ag =>
2[Ag(NH3)2]OH + HCHO = HCOONH4 + 3 NH3 + H2O + 2 Ag
CaCO3 + Na2CO3 + SiO2 = CaO*Na2O*6SiO2 + CO2 =>
CaCO3 + Na2CO3 + 6 SiO2 = CaO*Na2O*6SiO2 + 2 CO2
C4H9OH + C3H7COOH = CH3COOC3H7 + H2O =>
C4H9OH + 4 C3H7COOH = 4 CH3COOC3H7 + H2O
HClO3 + HCl = Cl2 + H2O =>
HClO3 + 5 HCl = 3 Cl2 + 3 H2O
C4H9OH + C3H7COOH = CH3COOC3H7 + H2O =>
C4H9OH + 4 C3H7COOH = 4 CH3COOC3H7 + H2O
C4H9OH + KMnO4 + H2O = C3H7(OH)2 + KOH + MnO =>
15 C4H9OH + 4 KMnO4 + 17 H2O = 20 C3H7(OH)2 + 4 KOH + 4 MnO
Li2S + O2 = LiO + SO =>
2 Li2S + 3 O2 = 4 LiO + 2 SO
KMnO4 + HCl + H3AsO3 = H3AsO4 + KCl + MnCl2 + H2O =>
2 KMnO4 + 6 HCl + 5 H3AsO3 = 5 H3AsO4 + 2 KCl + 2 MnCl2 + 3 H2O
Ba(Cl)2 + Fe2(SO4)3 = Ba(SO4) + Fe(Cl)3 =>
3 Ba(Cl)2 + Fe2(SO4)3 = 3 Ba(SO4) + 2 Fe(Cl)3
C6H3(NO2)2OH + HNO3 = C6H(NO2)4OH + H2O =>
C6H3(NO2)2OH + 2 HNO3 = C6H(NO2)4OH + 2 H2O
HOC2H4OH + O = CO2 + H2O =>
HOC2H4OH + 5 O = 2 CO2 + 3 H2O
Mg(s) + H3O(aq) = MgO + H3Mg =>
2 Mg(s) + H3O(aq) = MgO + H3Mg
Ag2S + O2 = Ag2O + SO2 =>
2 Ag2S + 3 O2 = 2 Ag2O + 2 SO2
CaO + Mg(OH)2 = Ca(OH)2 + MgO =>
CaO + Mg(OH)2 = Ca(OH)2 + MgO
FeN + H2O = NH3 + Fe(OH)3 =>
FeN + 3 H2O = NH3 + Fe(OH)3
KIO4 + MnCl2 + H2O + KCl = KMnO4 + KIO3 + HCl =>
5 KIO4 + 2 MnCl2 + 3 H2O + 2 KCl = 2 KMnO4 + 5 KIO3 + 6 HCl
CH3COOH(aq)C5H12O(l) = C7H14O2H2O =>
CH3COOH(aq)C5H12O(l) = C7H14O2H2O
[Ag(NH3)2]OH + KI = AgI + NH3 + KOH =>
[Ag(NH3)2]OH + KI = AgI + 2 NH3 + KOH
MnO2 + KClO + KOH = K2MnO4 + KCl + H2O =>
MnO2 + KClO + 2 KOH = K2MnO4 + KCl + H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Pb3O4 + KI + H2SO4 = K2SO4 + Pb + I2 + H2O =>
Pb3O4 + 8 KI + 4 H2SO4 = 4 K2SO4 + 3 Pb + 4 I2 + 4 H2O
H2SO4* + NH4OH = (NH4)2SO4 + H2O =>
H2SO4* + 2 NH4OH = (NH4)2SO4 + 2 H2O
Ba(Cl)2 + Fe2(SO4)3 = Ba(SO4) + Fe(Cl)3 =>
3 Ba(Cl)2 + Fe2(SO4)3 = 3 Ba(SO4) + 2 Fe(Cl)3
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