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2 Hg + F2 = Hg2F2
Al(s) + Fe2O3 = Al2O3 + Fe =>
2 Al(s) + Fe2O3 = Al2O3 + 2 Fe
CaCO3 + H2O = Ca(OH)2 + H2CO3 =>
CaCO3 + 2 H2O = Ca(OH)2 + H2CO3
Fe2O3(l) + CO(g) = Fe(l) + CO2 =>
Fe2O3(l) + 3 CO(g) = 2 Fe(l) + 3 CO2
(a)NH4NO3(s) = (b)N2O(g) + (c)H2O =>
(a)NH4NO3(s) = (b)N2O(g) + 2(c)H2O
FeCl3(aq) + (NH4)2S(aq) = Fe2S3(s) + NH4Cl(aq) =>
2 FeCl3(aq) + 3(NH4)2S(aq) = Fe2S3(s) + 6 NH4Cl(aq)
C6H5CH2Cl + KMnO4 + H2O = C6H5COOH + MnO2 + KOH + HCl =>
3 C6H5CH2Cl + 4 KMnO4 + 2 H2O = 3 C6H5COOH + 4 MnO2 + 4 KOH + 3 HCl
Li2O(s) + H2O(i) = LiOH(ac) =>
Li2O(s) + H2O(i) = 2 LiOH(ac)
C5H12(l) + O2 = CO2 + H2O(l) =>
C5H12(l) + 8 O2 = 5 CO2 + 6 H2O(l)
Hg + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Hg2SO4 + K2SO4 + H2O =>
6 Hg + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 3 Hg2SO4 + K2SO4 + 7 H2O
PbSO4 + NaOH = Na[Pb(OH)3] + Na2SO4 =>
PbSO4 + 3 NaOH = Na[Pb(OH)3] + Na2SO4
SnO2 + HF = SnF4 + H2O =>
SnO2 + 4 HF = SnF4 + 2 H2O
HCIO = HCI + HCIO3 =>
3 HCIO = 2 HCI + HCIO3
P4O10(s) + H2O(l) = H3PO4(aq) =>
P4O10(s) + 6 H2O(l) = 4 H3PO4(aq)
Mg(OH)2 + H3PO3 = Mg3O6P2 + H2O =>
3 Mg(OH)2 + 2 H3PO3 = Mg3O6P2 + 6 H2O
MgS + F2 = MgF2 + S8 =>
8 MgS + 8 F2 = 8 MgF2 + S8
C6H5OH + H2SO4 = C6H4(SO3H)OH + H2O =>
C6H5OH + H2SO4 = C6H4(SO3H)OH + H2O
H2O2 + Mg = MgO + H =>
H2O2 + 2 Mg = 2 MgO + 2 H
Cl3 + H2SO4 = (SO4)3 + HCl =>
2 Cl3 + 3 H2SO4 = (SO4)3 + 6 HCl
KClO3 + NH3 = KNO3 + KCl + Cl2 + H2O =>
3 KClO3 + 2 NH3 = 2 KNO3 + KCl + Cl2 + 3 H2O
MnSO4 + NH3 = MnNH3SO4 =>
MnSO4 + NH3 = MnNH3SO4
NaOH + Ca(HSO3)2 = Na2SO3 + CaSO3 + H2O =>
2 NaOH + Ca(HSO3)2 = Na2SO3 + CaSO3 + 2 H2O
C8H9Cl + KMnO4 + H2SO4 = C7H5O2Cl + CO2 + K2SO4 + MnSO4 + H2O =>
5 C8H9Cl + 12 KMnO4 + 18 H2SO4 = 5 C7H5O2Cl + 5 CO2 + 6 K2SO4 + 12 MnSO4 + 28 H2O
N2H4 + H2O = NH3 + OH =>
N2H4 + 2 H2O = 2 NH3 + 2 OH
CH3CN + H2 = CH3CH2NH2 =>
CH3CN + 2 H2 = CH3CH2NH2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe(s) + Cu(NO3)2 = Fe(NO3)2 + Cu =>
Fe(s) + Cu(NO3)2 = Fe(NO3)2 + Cu
Mg + PbCl2 = MgCl2 + Pb =>
Mg + PbCl2 = MgCl2 + Pb
Cu(s) + HgCl2(aq) = Hg(i) + CuCl2(aq) =>
Cu(s) + HgCl2(aq) = Hg(i) + CuCl2(aq)
Cu(NO3)2(aq) + KI(aq) = CuI(s) + I2(s) + KNO3(aq) =>
2 Cu(NO3)2(aq) + 4 KI(aq) = 2 CuI(s) + I2(s) + 4 KNO3(aq)
NaAlO2 + HNO3 = NaNO3 + Al2O3 + H2O =>
2 NaAlO2 + 2 HNO3 = 2 NaNO3 + Al2O3 + H2O
CuI + KI = KCuI2 =>
CuI + KI = KCuI2
NH3 + Ca(OH)2 = Ca3N2 + HOH =>
2 NH3 + 3 Ca(OH)2 = Ca3N2 + 6 HOH
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
CuNO3 + Ba(OH)2 = Cu(OH)2 + BaNO3 =>
CuNO3 + Ba(OH)2 = Cu(OH)2 + BaNO3
K2CO3 + CaBr = K2Br + CaCO3 =>
K2CO3 + CaBr = K2Br + CaCO3
P2O3 + C = P4 + CO =>
2 P2O3 + 6 C = P4 + 6 CO
Ag(s) + Br2(l) = AgBr(s) =>
2 Ag(s) + Br2(l) = 2 AgBr(s)
Ca(OH)2 + Cl2 = CaOCl2 + H2O =>
Ca(OH)2 + Cl2 = CaOCl2 + H2O
Zn + NaNO3 + NaOH + H2O = Na2[Zn(OH)4] + NH3 =>
4 Zn + NaNO3 + 7 NaOH + 6 H2O = 4 Na2[Zn(OH)4] + NH3
CH3COOH + K2SiO3 = CH3COOK + H2O + SiO2 =>
2 CH3COOH + K2SiO3 = 2 CH3COOK + H2O + SiO2
Fe(s) + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
FeCl3 + HCl = FeH3 + Cl2 =>
FeCl3 + 3 HCl = FeH3 + 3 Cl2
NiSO4 + BaCl2 = NiCl2 + BaSO4 =>
NiSO4 + BaCl2 = NiCl2 + BaSO4
BaCO3 + CH3COOH = Ba(CH3COO)2 + H2O + CO2 =>
BaCO3 + 2 CH3COOH = Ba(CH3COO)2 + H2O + CO2
SO4 + H2O = H2SO5 =>
SO4 + H2O = H2SO5
Fe2 + N = FeN =>
Fe2 + 2 N = 2 FeN
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Fe2(SO4)3 + Mg(OH)2 = Fe(OH)3 + MgSO4 =>
Fe2(SO4)3 + 3 Mg(OH)2 = 2 Fe(OH)3 + 3 MgSO4
SnCl2 + HNO3 + HCl = SnCl4 + NO + H2O =>
3 SnCl2 + 2 HNO3 + 6 HCl = 3 SnCl4 + 2 NO + 4 H2O
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