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2 Fe2N = 4 Fe + N2
CH3I + NaOH = CH3OH + I + Na =>
CH3I + NaOH = CH3OH + I + Na
C90H180O90N45 = C2H6 + O2 + C + N2 =>
2 C90H180O90N45 = 60 C2H6 + 90 O2 + 60 C + 45 N2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
HCl + Ba2SO4 = BaCl + H2SO4 =>
2 HCl + Ba2SO4 = 2 BaCl + H2SO4
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
C2H5BrC2H5ONa = C2H5OC2H5NaBr =>
C2H5BrC2H5ONa = C2H5OC2H5NaBr
NO(g) + H(g) = H2O + NH6 =>
NO(g) + 8 H(g) = H2O + NH6
HNO3 + P4010 = (HPO3)3 + N205 =>
493230 HNO3 + 123 P4010 = 164410(HPO3)3 + 2406 N205
CHCl3 + AgNO3 = AgCl + CH(NO3)3 =>
CHCl3 + 3 AgNO3 = 3 AgCl + CH(NO3)3
AlOHCl2HCl = Al(Cl)3H2O =>
AlOHCl2HCl = Al(Cl)3H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
N2 + H2 + P + O2 = N3H12PO4 =>
3 N2 + 12 H2 + 2 P + 4 O2 = 2 N3H12PO4
H2CO3(aq) = H2O(l) + CO2(g) =>
H2CO3(aq) = H2O(l) + CO2(g)
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
NaHCO3(s) = NaOH(s) + CO2(g) =>
NaHCO3(s) = NaOH(s) + CO2(g)
B + SIO2 = B2O3 + SI =>
4 B + 3 SIO2 = 2 B2O3 + 3 SI
Ca(OH)2 + H2SO4 = CaSO4 + HOH =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 HOH
C2H4 + H = CH3CH3 =>
C2H4 + 2 H = CH3CH3
H2SO4 + HNO3 = H3NO3SO4 =>
H2SO4 + HNO3 = H3NO3SO4
MnSO4 + H2O + H2O2 + NH3 = MnO(OH) + (NH4)2SO4 =>
2 MnSO4 + 2 H2O + H2O2 + 4 NH3 = 2 MnO(OH) + 2(NH4)2SO4
Al + BaCl2 = Ba + AlCl3 =>
2 Al + 3 BaCl2 = 3 Ba + 2 AlCl3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C12H22O11 + KClO3 = CO2 + H2O + KClO2 =>
C12H22O11 + 24 KClO3 = 12 CO2 + 11 H2O + 24 KClO2
O2 + Fe(NO2)3 = Fe(NO3)3 =>
3 O2 + 2 Fe(NO2)3 = 2 Fe(NO3)3
C7H6O + KMnO4 + NaOH = C6H10O + MnO2 + KOH + Na2CO3 =>
17 C7H6O + 32 KMnO4 + 70 NaOH = 14 C6H10O + 32 MnO2 + 32 KOH + 35 Na2CO3
Na2SO3 + H2O + Br2 = Na2SO4 + HBr =>
Na2SO3 + H2O + Br2 = Na2SO4 + 2 HBr
HCl + PbCl2 = HCl2 + Pb =>
2 HCl + PbCl2 = 2 HCl2 + Pb
Na + MgS2 = NaS + Mg =>
2 Na + MgS2 = 2 NaS + Mg
CoO2 + H2 = Co(OH)2 =>
CoO2 + H2 = Co(OH)2
PdCl2 + HNO3 = Pd(NO3)2 + HCl =>
PdCl2 + 2 HNO3 = Pd(NO3)2 + 2 HCl
MnSO4 + HCl = Mn + H2SO4 + Cl2 =>
MnSO4 + 2 HCl = Mn + H2SO4 + Cl2
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
As2S2 + Cl2 + H2O = H3AsO4 + H2SO4 + HCl =>
As2S2 + 11 Cl2 + 16 H2O = 2 H3AsO4 + 2 H2SO4 + 22 HCl
P2O3 + H2O + O2 = HPO3 =>
P2O3 + H2O + O2 = 2 HPO3
C + H2O = CO + H2 =>
C + H2O = CO + H2
N2 + NO2 = N2O3 =>
N2 + 6 NO2 = 4 N2O3
Cr2O3 + NaOH + NaClO4 = Na2CrO4 + NaCl + H2O =>
4 Cr2O3 + 16 NaOH + 3 NaClO4 = 8 Na2CrO4 + 3 NaCl + 8 H2O
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
Zn + XCuSO4 = XZnSO4 + Cu =>
Zn + XCuSO4 = XZnSO4 + Cu
H2SO3 + I2 + H2O = H2SO4 + HI =>
H2SO3 + I2 + H2O = H2SO4 + 2 HI
C2H4 + H2O + O = C2H4(OH)2 =>
C2H4 + H2O + O = C2H4(OH)2
PbO2 + H2MnO4 + HNO3 = Pb(NO3)2 + HMnO4 + H2O =>
PbO2 + 2 H2MnO4 + 2 HNO3 = Pb(NO3)2 + 2 HMnO4 + 2 H2O
NaBr + K2CO3 = Na2CO3 + KBr =>
2 NaBr + K2CO3 = Na2CO3 + 2 KBr
FeO + PdF2 = FeF2 + PdO =>
FeO + PdF2 = FeF2 + PdO
C6H11Br + NaOH = C6H11OH + NaBr =>
C6H11Br + NaOH = C6H11OH + NaBr
KBr + H2SO4 = Br2 + SO2 + H2O + KHSO4 =>
2 KBr + 3 H2SO4 = Br2 + SO2 + 2 H2O + 2 KHSO4
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(l) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(l)
Na2CrO4 + H2O = Na2Cr2O7 + NaOH =>
2 Na2CrO4 + H2O = Na2Cr2O7 + 2 NaOH
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