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4 Mg + 5 H2SO4 = 4 MgSO4 + 4 H2O + H2S
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
MgCO3 + HCl = MgCl2 + CO2 + H2O =>
MgCO3 + 2 HCl = MgCl2 + CO2 + H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Co + O2 = Co2O3 =>
4 Co + 3 O2 = 2 Co2O3
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
K + Cl = KCl =>
K + Cl = KCl
Mg + Br2 = MgBr2 =>
Mg + Br2 = MgBr2
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
C3 + SO2(g) = CS2(l) + CO(g) =>
5 C3 + 6 SO2(g) = 3 CS2(l) + 12 CO(g)
Na2CO3 + HCl = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
Hg + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
C7H6O3 + CH3OH = C8H8O3 + H2O =>
C7H6O3 + CH3OH = C8H8O3 + H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Pb = Pb2{+} + e =>
2 Pb = Pb2{+} + e
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Na2CO3 + C2H5OSO3H = C2H5OSO3Na + NaOH + CO2 =>
Na2CO3 + C2H5OSO3H = C2H5OSO3Na + NaOH + CO2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
CO + NO2 = CO2 + N2 =>
4 CO + 2 NO2 = 4 CO2 + N2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
C2H4 + H2O = C2H5OH =>
C2H4 + H2O = C2H5OH
Al + HCl = AlCl + H =>
Al + HCl = AlCl + H
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Bi2O3 + NaClO + NaOH = NaBiO3 + NaCl + H2O =>
Bi2O3 + 2 NaClO + 2 NaOH = 2 NaBiO3 + 2 NaCl + H2O
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
HMnO4 + H2SO3 = H2SO4 + MnO + H2O =>
2 HMnO4 + 5 H2SO3 = 5 H2SO4 + 2 MnO + H2O
NO + O2 + H2O = HNO3 =>
4 NO + 3 O2 + 2 H2O = 4 HNO3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
C2H4 + H2O = C2H5OH =>
C2H4 + H2O = C2H5OH
C2H5OH + O2 = CH3COOH + H2O =>
C2H5OH + O2 = CH3COOH + H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Na2CO3 + Ca(NO3)2 = NaNO3 + CaCO3 =>
Na2CO3 + Ca(NO3)2 = 2 NaNO3 + CaCO3
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