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Fe2O3 + 3 C = 2 Fe + 3 CO
Ca(H2PO4)2 + NaHCO3 = CaHPO4 + Na2HPO4 + H2O + CO2 =>
Ca(H2PO4)2 + 2 NaHCO3 = CaHPO4 + Na2HPO4 + 2 H2O + 2 CO2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C + H3PO4 = CO + P4 + H2O =>
10 C + 4 H3PO4 = 10 CO + P4 + 6 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
sodium + oxygen = sodiumoxide =>
4 Na + O2 = 2 Na2O
Fe{3+} + I{-} = FeI + I2 =>
Fe{3+} + 3 I{-} = FeI + I2
CaCl2 + KOH = Ca(OH)2 + KCl =>
CaCl2 + 2 KOH = Ca(OH)2 + 2 KCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
sodium + chlorine = sodiumchloride =>
2 Na + Cl2 = 2 NaCl
ZN + H2SO4 = ZNSO4 + H2 =>
ZN + H2SO4 = ZNSO4 + H2
PbI2 = Pb + I =>
PbI2 = Pb + 2 I
KIO3 + KI3 + HCl = ICl + H2O + KCl =>
KIO3 + KI3 + 6 HCl = 4 ICl + 3 H2O + 2 KCl
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Fe(III) + OH = Fe(III)(OH)3 =>
Fe(III) + 3 OH = Fe(III)(OH)3
Al + H2O = Al2O3 + H2 =>
2 Al + 3 H2O = Al2O3 + 3 H2
C12H22O11 + H2O = CH3CH2OH + CO2 =>
C12H22O11 + H2O = 4 CH3CH2OH + 4 CO2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
NH4OH = NH3 + H2O =>
NH4OH = NH3 + H2O
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
La2O3 + HNO3 = La(NO3)3 + H2O =>
La2O3 + 6 HNO3 = 2 La(NO3)3 + 3 H2O
Bi(OH)3 + K2SnO2 = Bi + K2SnO3 + H2O =>
2 Bi(OH)3 + 3 K2SnO2 = 2 Bi + 3 K2SnO3 + 3 H2O
KMnO4 + NaNO2 + H2SO4 = MnSO4 + NaNO3 + K2SO4 + H2O =>
2 KMnO4 + 5 NaNO2 + 3 H2SO4 = 2 MnSO4 + 5 NaNO3 + K2SO4 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KMnO4 + HI = KI + I2 + MnI2 + H2O =>
2 KMnO4 + 16 HI = 2 KI + 5 I2 + 2 MnI2 + 8 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Sn(OH)2(s) + OH{-}(aq) = Sn(OH)3{-}(aq) =>
Sn(OH)2(s) + OH{-}(aq) = Sn(OH)3{-}(aq)
C12H22O11 + H20 = CH3CH2OH + CO2 =>
15 C12H22O11 + 3 H20 = 65 CH3CH2OH + 50 CO2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
KMnO4 + SnBr2 + H2SO4 = MnSO4 + Sn(SO4)2 + Br2 + K2SO4 + H2O =>
4 KMnO4 + 5 SnBr2 + 16 H2SO4 = 4 MnSO4 + 5 Sn(SO4)2 + 5 Br2 + 2 K2SO4 + 16 H2O
C12H22O11 + H2O = CH3CH2OH + CO2 =>
C12H22O11 + H2O = 4 CH3CH2OH + 4 CO2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Pb(OH)2(s) + OH{-}(aq) = [Pb(OH)4]{2-} =>
Pb(OH)2(s) + 2 OH{-}(aq) = [Pb(OH)4]{2-}
CH3COOH + C2H5OH = CH3COOC2H5 + H2O =>
CH3COOH + C2H5OH = CH3COOC2H5 + H2O
C5H10O2(l) + O2(g) = CO2(g) + H2O(g) =>
2 C5H10O2(l) + 13 O2(g) = 10 CO2(g) + 10 H2O(g)
C2H7N + O2 = CO2 + N2 + H20 =>
20 C2H7N + 40 O2 = 40 CO2 + 10 N2 + 7 H20
Fe(OH)3(s) + H2SO4(aq) = Fe2(SO4)3(aq) + H2O(l) =>
2 Fe(OH)3(s) + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 6 H2O(l)
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C6H12O6 + O2 = CO2 + H20 =>
5 C6H12O6 + 15 O2 = 30 CO2 + 3 H20
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg3N2(s) + H2SO4(aq) = MgSO4(aq) + (NH4)2SO4(aq) =>
Mg3N2(s) + 4 H2SO4(aq) = 3 MgSO4(aq) + (NH4)2SO4(aq)
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