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Cr2O5 + 5 Ca = 5 CaO + 2 Cr
AB2 + B2C = A(CB)2 + B =>
AB2 + 2 B2C = A(CB)2 + 4 B
V10O28{-6} + OH{-} = VO4{-3} + H2O =>
V10O28{-6} + 24 OH{-} = 10 VO4{-3} + 12 H2O
C2H4 + H2O = CH3CH2OH =>
C2H4 + H2O = CH3CH2OH
NaSO3 + HNO3 = HSO3 + NaNO3 =>
NaSO3 + HNO3 = HSO3 + NaNO3
NaOHMgSO4 = NaSO4MgOH =>
NaOHMgSO4 = NaSO4MgOH
Fe(OH)3 + KSCN = FeS + CN + K + OH =>
Fe(OH)3 + KSCN = FeS + CN + K + 3 OH
Co(s) + S(g) + O2(g) + H2O = CoSO47H2O =>
2 Co(s) + 2 S(g) + 47 O2(g) + 2 H2O = 2 CoSO47H2O
Cl2O7 + KOH = KClO4 + HClO4 =>
Cl2O7 + KOH = KClO4 + HClO4
P(I)3 + CuSO4 = CuI + I2 + P2(SO4)3 =>
4 P(I)3 + 6 CuSO4 = 6 CuI + 3 I2 + 2 P2(SO4)3
Mn3O4 + AI = AIO3 + Mn =>
3 Mn3O4 + 4 AI = 4 AIO3 + 9 Mn
PF5 = P + F =>
PF5 = P + 5 F
AgO2H2 + H3PO4 = Ag3P2O8 + H2O =>
3 AgO2H2 + 2 H3PO4 = Ag3P2O8 + 6 H2O
C10H6O2 + H2SO4 = H2O + CO2 + CSO =>
4 C10H6O2 + 21 H2SO4 = 33 H2O + 19 CO2 + 21 CSO
Mg(SO4)(aq) + BaCl2(aq) = MgCl2(aq) + Ba(SO4)(s) =>
Mg(SO4)(aq) + BaCl2(aq) = MgCl2(aq) + Ba(SO4)(s)
NiCl2 + AgNO3 = Ni(NO3)2 + Cl + Ag =>
NiCl2 + 2 AgNO3 = Ni(NO3)2 + 2 Cl + 2 Ag
MnCl2*4H2O + NaOH = MnO2 + NaCl + H2O + H2 =>
MnCl2*4H2O + 2 NaOH = MnO2 + 2 NaCl + 4 H2O + H2
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + NO + SO2 + H2O =>
3 CuFeS2 + 28 HNO3 = 3 Cu(NO3)2 + 3 Fe(NO3)3 + 13 NO + 6 SO2 + 14 H2O
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
Fe + NH3OH = Fe(OH)3 + NH3 =>
Fe + 3 NH3OH = Fe(OH)3 + 3 NH3
ZnSO3 + HCl = ZnCl2 + H2SO3 =>
ZnSO3 + 2 HCl = ZnCl2 + H2SO3
K2Cr2O7 + HI + HClO4 = KClO4 + Cr(ClO4)3 + I2 + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 KClO4 + 2 Cr(ClO4)3 + 3 I2 + 7 H2O
C6H14 = C3H6 + CH4 =>
3 C6H14 = 5 C3H6 + 3 CH4
Fe2O3 + H2O2 = Fe(OH)3 + O2 =>
2 Fe2O3 + 6 H2O2 = 4 Fe(OH)3 + 3 O2
CCa + H2Ca = C2H2 + Ca =>
2 CCa + H2Ca = C2H2 + 3 Ca
Mg(g) + H2SO4(I) = MgSO4(I) + H2(g) =>
Mg(g) + H2SO4(I) = MgSO4(I) + H2(g)
CH2 + H2O = C2H5OH =>
2 CH2 + H2O = C2H5OH
KI + Na3PO4 = K3PO4 + NaI =>
3 KI + Na3PO4 = K3PO4 + 3 NaI
C15H31COOH + O2 = CO2 + H2O =>
C15H31COOH + 23 O2 = 16 CO2 + 16 H2O
S{2-} + I2 = I{-} + S =>
S{2-} + I2 = 2 I{-} + S
H{+} + H2S + MnO4{-} = SO4{2-} + Mn{2+} + H2O =>
14 H{+} + 5 H2S + 8 MnO4{-} = 5 SO4{2-} + 8 Mn{2+} + 12 H2O
FeO + SO3 = FeSO3 + O2 =>
2 FeO + 2 SO3 = 2 FeSO3 + O2
Li21Si5 + H2O = LiH + Li4SiO4 + H2 =>
2 Li21Si5 + 40 H2O = 2 LiH + 10 Li4SiO4 + 39 H2
Fe2O3 + LiCl = Fe2Cl + LiO3 =>
Fe2O3 + LiCl = Fe2Cl + LiO3
FeSO4 + Br2 + NaOH = Na2FeO4 + NaBr + Na2SO4 + H2O =>
FeSO4 + 2 Br2 + 8 NaOH = Na2FeO4 + 4 NaBr + Na2SO4 + 4 H2O
K2SO4(aq) + Al2(SO4)3(aq) + H2O(l) = KAl(SO4)2*12H2O(s) =>
K2SO4(aq) + Al2(SO4)3(aq) + 24 H2O(l) = 2 KAl(SO4)2*12H2O(s)
H2SO4 + PhCHO2 = HSO4 + PhCH2O2 =>
H2SO4 + PhCHO2 = HSO4 + PhCH2O2
NaAlO2 + H2SO4 = Al2(SO4)3 + Na2SO4 + H2O =>
2 NaAlO2 + 4 H2SO4 = Al2(SO4)3 + Na2SO4 + 4 H2O
C12H24 + O2 = CO2 + H2 =>
C12H24 + 12 O2 = 12 CO2 + 12 H2
K + ZnCl2 = Cl2 + ZnK2 =>
2 K + ZnCl2 = Cl2 + ZnK2
S2O3 + KI = KS2O3 + I =>
S2O3 + KI = KS2O3 + I
AgNO3 + K2CrO7 = Ag2CrO7 + KNO3 =>
2 AgNO3 + K2CrO7 = Ag2CrO7 + 2 KNO3
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
ZnO = O2 + Zn =>
2 ZnO = O2 + 2 Zn
Si + Mg = Si2Mg4 =>
2 Si + 4 Mg = Si2Mg4
C2H2 + SO2 = CO2 + H2O + S =>
2 C2H2 + 5 SO2 = 4 CO2 + 2 H2O + 5 S
PbO2 + NO2 = Pb + NO3 =>
PbO2 + 2 NO2 = Pb + 2 NO3
KMnO4 + HCl + K2SO4 = Cl2 + MnSO4 + KCl + H2O =>
2 KMnO4 + 16 HCl + 2 K2SO4 = 5 Cl2 + 2 MnSO4 + 6 KCl + 8 H2O
Pb(C2H3O2)2 + K2CrO4 = PbCrO4 + KC2H3O2 =>
Pb(C2H3O2)2 + K2CrO4 = PbCrO4 + 2 KC2H3O2
Pb(NO3)2 = Pb2O3 + NO2 + O =>
2 Pb(NO3)2 = Pb2O3 + 4 NO2 + O
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