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Cu + 2 H{+} = Cu{+2} + H2
Fe + MnO2 = Fe2O3 + Mn =>
4 Fe + 3 MnO2 = 2 Fe2O3 + 3 Mn
NI3(s) = N2(g) + I2(s) =>
2 NI3(s) = N2(g) + 3 I2(s)
K + ClO3 = KClO3 =>
K + ClO3 = KClO3
Ca(H2PO4)2 + AgNO3 = Ca(NO3)2 + Ag3PO4 + H3PO4 =>
3 Ca(H2PO4)2 + 6 AgNO3 = 3 Ca(NO3)2 + 2 Ag3PO4 + 4 H3PO4
O3 + H2S = H2SO3 + O2 =>
3 O3 + H2S = H2SO3 + 3 O2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
N2 + H2 + O2 = NH4NO3 =>
2 N2 + 4 H2 + 3 O2 = 2 NH4NO3
HCOOH + HgCl2 = Hg + CO2 + HCl =>
HCOOH + HgCl2 = Hg + CO2 + 2 HCl
C12H22O11 + CH4N2O + C2H6O = C49H75NO13 + H2O =>
49 C12H22O11 + 12 CH4N2O + 288 C2H6O = 24 C49H75NO13 + 527 H2O
SO3{2-} + Br2 + H2O = SO4{2-} + Br{-} + H{+} =>
SO3{2-} + Br2 + H2O = SO4{2-} + 2 Br{-} + 2 H{+}
Hg + Cl = HgCl2 =>
Hg + 2 Cl = HgCl2
AlCl3(aq) + F2(g) = AlF2 + Cl3 =>
AlCl3(aq) + F2(g) = AlF2 + Cl3
Fe(OH)2 + H2SO4 = Fe2(SO4)3 + H2O + H2S =>
8 Fe(OH)2 + 13 H2SO4 = 4 Fe2(SO4)3 + 20 H2O + H2S
F2(g) + CaBr2(aq) = CaF2 + Br2 =>
F2(g) + CaBr2(aq) = CaF2 + Br2
PbN6 = Pb + N2 =>
PbN6 = Pb + 3 N2
KBr2 + KOH = KBr + KBrO3 + H2O =>
6 KBr2 + 6 KOH = 11 KBr + KBrO3 + 3 H2O
NH3 + O2 = H2O + N2O =>
2 NH3 + 2 O2 = 3 H2O + N2O
NiCl2(aq) + H2SO4(aq) = NiSO4(aq) + H2Cl2(s) =>
NiCl2(aq) + H2SO4(aq) = NiSO4(aq) + H2Cl2(s)
P4O10 = P4 + O2 =>
P4O10 = P4 + 5 O2
K2SO3 + AlCl3 + H2O = KCl + Al(OH)3 + SO2 =>
3 K2SO3 + 2 AlCl3 + 3 H2O = 6 KCl + 2 Al(OH)3 + 3 SO2
KOH + H3PO4 = H2O + K3PO4 =>
3 KOH + H3PO4 = 3 H2O + K3PO4
C6H8O2 + NaHCO3 = Na3C6H5O7 + H2O + CO2 =>
9 C6H8O2 + 42 NaHCO3 = 14 Na3C6H5O7 + 22 H2O + 12 CO2
Pb3O4 + HBr = PbBr2 + Br2 + H2O =>
Pb3O4 + 8 HBr = 3 PbBr2 + Br2 + 4 H2O
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Mg(s) + Cu(No3)2(aq) = Mg(No3)2(aq) + Cu(s) =>
Mg(s) + Cu(No3)2(aq) = Mg(No3)2(aq) + Cu(s)
NH3 + Na = H2 + NaNH2 =>
2 NH3 + 2 Na = H2 + 2 NaNH2
Ca3(PO4)2 + HCl = Ca + H(PO4)2 + Cl =>
Ca3(PO4)2 + HCl = 3 Ca + H(PO4)2 + Cl
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
NaOH(aq) + CuSO4(aq) = Cu(OH)2(s) + Na2SO4(aq) =>
2 NaOH(aq) + CuSO4(aq) = Cu(OH)2(s) + Na2SO4(aq)
K2SO4 + H2 = H2SO4 + K =>
K2SO4 + H2 = H2SO4 + 2 K
Br{-} + BrO3{-} + H{+} + H2Mal = HBrMal + H2O =>
2 Br{-} + BrO3{-} + 3 H{+} + 3 H2Mal = 3 HBrMal + 3 H2O
Sr{2+} + Br{-} = SrBr2 =>
Sr{2+} + 2 Br{-} = SrBr2
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
BCl3 + H2O(l) = B(OH)3 + HCl =>
BCl3 + 3 H2O(l) = B(OH)3 + 3 HCl
Cu + Cu(NO3)2 = CuNO3 =>
Cu + Cu(NO3)2 = 2 CuNO3
VO2Cl + Zn + HCl = VCl2 + ZnCl2 + H2O =>
2 VO2Cl + 3 Zn + 8 HCl = 2 VCl2 + 3 ZnCl2 + 4 H2O
FeO + Al2O3 = FeAl2O4 =>
FeO + Al2O3 = FeAl2O4
Zn(CH3COO)2 + C2H5OH = Zn(OH)2 + C2H5 + COO =>
9 Zn(CH3COO)2 + 14 C2H5OH = 9 Zn(OH)2 + 24 C2H5 + 16 COO
CH3 + OH = CH2 + H2O =>
CH3 + OH = CH2 + H2O
Fe2(CO)10 + O2 = Fe2O3 + CO2 =>
2 Fe2(CO)10 + 13 O2 = 2 Fe2O3 + 20 CO2
Mg(CO3)2 = MgO2 + CO2 =>
Mg(CO3)2 = MgO2 + 2 CO2
Ga2O3 + NaOH + H2O = Na(Ga(OH)4) =>
Ga2O3 + 2 NaOH + 3 H2O = 2 Na(Ga(OH)4)
HI + Sb2O5 = H2O + Sb2O3 + I2 =>
4 HI + Sb2O5 = 2 H2O + Sb2O3 + 2 I2
Zn(NO3)2 + C6H12O6 = ZnO + H2O + CO2 + N2 =>
12 Zn(NO3)2 + 5 C6H12O6 = 12 ZnO + 30 H2O + 30 CO2 + 12 N2
P4 + I = PI3 =>
P4 + 12 I = 4 PI3
C6H12O2 + H2O = CH3COOH + C4H9OH =>
C6H12O2 + H2O = CH3COOH + C4H9OH
Mg(CO3)2 = MgO2 + CO2 =>
Mg(CO3)2 = MgO2 + 2 CO2
C6H7N + C4H6O3 = C8H9NO + CH3COOH =>
C6H7N + C4H6O3 = C8H9NO + CH3COOH
Fe(OH)3 + CH2O + H{+} = Fe{2+} + HCO3{-} + H2O =>
4 Fe(OH)3 + CH2O + 7 H{+} = 4 Fe{2+} + HCO3{-} + 10 H2O
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