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5 SiO2 + 2 CaC2 = 5 Si + 2 CaO + 4 CO2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
NH4 + O2 = NO + H2O =>
2 NH4 + 3 O2 = 2 NO + 4 H2O
Ca(OH)2 + CH3CO2H = Ca(CH3CO2)2 + H2O =>
Ca(OH)2 + 2 CH3CO2H = Ca(CH3CO2)2 + 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Sr(NO3)2 + NaCl = SrCl2 + NaNO3 =>
Sr(NO3)2 + 2 NaCl = SrCl2 + 2 NaNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(OH)2 + CH3CO2H = Ca(CH3CO2)2 + H2O =>
Ca(OH)2 + 2 CH3CO2H = Ca(CH3CO2)2 + 2 H2O
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Mg + H2SO4 = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4 = 4 MgSO4 + H2S + 4 H2O
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
FeBr3 + Ba(OH)2 = Fe(OH)3 + BaBr2 =>
2 FeBr3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 BaBr2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CH3OH + CH3COOH = CH3COOCH3 + H2O =>
CH3OH + CH3COOH = CH3COOCH3 + H2O
C5H12O + HCl = C5H11Cl + H2O =>
C5H12O + HCl = C5H11Cl + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Sr(NO3)2 + NaBr = SrBr2 + NaNO3 =>
Sr(NO3)2 + 2 NaBr = SrBr2 + 2 NaNO3
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
CH4 = C3H8 + H2 =>
3 CH4 = C3H8 + 2 H2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
Sr(NO3)2 + NaI = SrI2 + NaNO3 =>
Sr(NO3)2 + 2 NaI = SrI2 + 2 NaNO3
KFe3AlSi3O10(OH)2 + Cu + O2 + H2S = KAlSi3O8 + CuFeS2 + H2O =>
2 KFe3AlSi3O10(OH)2 + 6 Cu + 3 O2 + 12 H2S = 2 KAlSi3O8 + 6 CuFeS2 + 14 H2O
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
(CH3(CH2)6CH3) + O2 = CO2 + H2O =>
2(CH3(CH2)6CH3) + 25 O2 = 16 CO2 + 18 H2O
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
C30H62 + O2 = CO2 + H2O =>
2 C30H62 + 91 O2 = 60 CO2 + 62 H2O
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