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P4 + 5 O2 = 2 P2O5
C + HF = CF4 + H2 =>
C + 4 HF = CF4 + 2 H2
FeCl2 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cl2 + K2SO4 + Cr2(SO4)3 + H2O =>
2 FeCl2 + K2Cr2O7 + 7 H2SO4 = Fe2(SO4)3 + 2 Cl2 + K2SO4 + Cr2(SO4)3 + 7 H2O
NaC1 + SO2 + H2O + O2 = Na2SO4 + HC =>
4 NaC1 + 2 SO2 + 2 H2O + O2 = 2 Na2SO4 + 4 HC
TlNO3 + H2O2 + KOH = Tl2O3 + KNO3 + H2O =>
2 TlNO3 + 2 H2O2 + 2 KOH = Tl2O3 + 2 KNO3 + 3 H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CO2 + HCl = C3H6O + H2O + Cl =>
3 CO2 + 16 HCl = C3H6O + 5 H2O + 16 Cl
HNO3 + Ca(OH)2 = H2O + OH + Ca2NO3 =>
HNO3 + 2 Ca(OH)2 = H2O + 3 OH + Ca2NO3
C3H6 + Br6 = C3H6Br2 =>
3 C3H6 + Br6 = 3 C3H6Br2
Na + CdHSO4 = Na2SO4 + Cd + H2 =>
4 Na + 2 CdHSO4 = 2 Na2SO4 + 2 Cd + H2
C2H4O2 + MgCO3 = CO3C2H4O2 + Mg =>
C2H4O2 + MgCO3 = CO3C2H4O2 + Mg
H{+} + CrO7{2-} + Br{-} = Br2 + Cr{3+} + H2O =>
28 H{+} + 2 CrO7{2-} + 18 Br{-} = 9 Br2 + 2 Cr{3+} + 14 H2O
Ca + H3PO3 = Ca3PO3 + H2 =>
6 Ca + 2 H3PO3 = 2 Ca3PO3 + 3 H2
Sn100 + Se60 + Te40 = SnSe60Te40 =>
Sn100 + 100 Se60 + 100 Te40 = 100 SnSe60Te40
P2O5 + HCl + HNO3 = H2P2O6 + NO + Cl2 =>
4 P2O5 + 6 HCl + 2 HNO3 = 4 H2P2O6 + 2 NO + 3 Cl2
NiC2O4H4O2 + O2 = NiO + H2O + CO2 =>
2 NiC2O4H4O2 + O2 = 2 NiO + 4 H2O + 4 CO2
CaS2O3 + Hg(NO3)2 = HgS2O3 + Ca(NO3)2 =>
CaS2O3 + Hg(NO3)2 = HgS2O3 + Ca(NO3)2
NH3 + O2 = (ag)NO + H2O =>
4 NH3 + 5 O2 = 4(ag)NO + 6 H2O
Zn(OH)2 + H2SO4 = ZnSO4 + H2O =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
Mg2SiO4 + H2O = Mg(OH)2 + SiO2 =>
Mg2SiO4 + 2 H2O = 2 Mg(OH)2 + SiO2
PbI2 + NaCl = NaI + PbCl2 =>
PbI2 + 2 NaCl = 2 NaI + PbCl2
Na(s) + HCl(l) = H2(g) + NaCl =>
2 Na(s) + 2 HCl(l) = H2(g) + 2 NaCl
Ca(ClO)2 + HCl = CaCl2 + H2O + Cl2 =>
Ca(ClO)2 + 4 HCl = CaCl2 + 2 H2O + 2 Cl2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Fe + O*2 = Fe*2O*3 =>
Fe + 2 O*2 = Fe*2O*3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
(NH4)2S + HCl = NH4Cl + H2S =>
(NH4)2S + 2 HCl = 2 NH4Cl + H2S
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
Mg + H2CO3 = H2 + MgCO3 =>
Mg + H2CO3 = H2 + MgCO3
FePO4 + NiBr2 = Ni(PO4)2 + FeBr =>
2 FePO4 + NiBr2 = Ni(PO4)2 + 2 FeBr
C8H5NO6 + H6N2O4S + C2H3NaO2 = C8H5N3O4 + Na2SO4 + H2O + C2H4O2 =>
C8H5NO6 + H6N2O4S + 2 C2H3NaO2 = C8H5N3O4 + Na2SO4 + 2 H2O + 2 C2H4O2
C6H6O2 + CH4O = C7H8O + H2O =>
4 C6H6O2 + 11 CH4O = 5 C7H8O + 14 H2O
Cu(NH3)4Cl2 + KSCN = K2Cu(SCN)4 + NH3 + KCl =>
Cu(NH3)4Cl2 + 4 KSCN = K2Cu(SCN)4 + 4 NH3 + 2 KCl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
H3PO4(aq) + KOH(s) = K3PO4(aq) + H2O(l) =>
H3PO4(aq) + 3 KOH(s) = K3PO4(aq) + 3 H2O(l)
CaSO4 + C3H6O = CaCO3 + H2SO4 + C2H4 =>
CaSO4 + 3 C3H6O = CaCO3 + H2SO4 + 4 C2H4
Fe2(CrO4)3 + H2 = Fe + H2CrO4 =>
Fe2(CrO4)3 + 3 H2 = 2 Fe + 3 H2CrO4
P2O3 + K2O2 = K3PO4 + O2 =>
2 P2O3 + 6 K2O2 = 4 K3PO4 + O2
CH2CHCH2CH3 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH2CHCH2CH3 + 8 KMnO4 + 16 H2O = 8 MnO2 + 12 CH3CH(OH)CH2(OH) + 8 KOH
HSO4{-} + H2O = H3O{+} + SO4{2-} =>
HSO4{-} + H2O = H3O{+} + SO4{2-}
Fe2(SO4)3 + KSCN = K2SO4 + K3Fe(SCN)6 =>
Fe2(SO4)3 + 12 KSCN = 3 K2SO4 + 2 K3Fe(SCN)6
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
AuN + Ca = CaN + Au =>
AuN + Ca = CaN + Au
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Mg + H2SO4 = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4 = 4 MgSO4 + H2S + 4 H2O
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