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2 O2 + CuS = CuO + SO3
Al + Cu2 = AlCu2 =>
Al + Cu2 = AlCu2
Na2SO3(aq) + S(s) = Na2S2O3(aq) =>
Na2SO3(aq) + S(s) = Na2S2O3(aq)
FeO + BeO = Fe2(BeO2)2 =>
2 FeO + 2 BeO = Fe2(BeO2)2
CH3CHO + O2 = CO2 + CH3CH2OH =>
6 CH3CHO + 3 O2 = 4 CO2 + 4 CH3CH2OH
CaSO4 + Ca = CaO + SO2 =>
CaSO4 + Ca = 2 CaO + SO2
NiCl2 + Na2HPO4 = NaH2PO4 + Ni3(PO4)2 + NaCl =>
3 NiCl2 + 4 Na2HPO4 = 2 NaH2PO4 + Ni3(PO4)2 + 6 NaCl
H2CO3 + CaCl2 = H2Cl2 + CO3Ca =>
H2CO3 + CaCl2 = H2Cl2 + CO3Ca
S(s) + O2(g) = SO3(g) =>
2 S(s) + 3 O2(g) = 2 SO3(g)
NaC1 + H2SO4 = NaHSO4 + HC1 =>
NaC1 + H2SO4 = NaHSO4 + HC1
Sb + H2O = Sb3O2 + H =>
3 Sb + 2 H2O = Sb3O2 + 4 H
C3H6Cl2 + Mg = C3H6 + MgCl2 =>
C3H6Cl2 + Mg = C3H6 + MgCl2
Zn{2+} + Cl{-} = ZnCl2 =>
Zn{2+} + 2 Cl{-} = ZnCl2
CeN3O9 + NaOH = Ce(OH)3 + NaNO3 =>
CeN3O9 + 3 NaOH = Ce(OH)3 + 3 NaNO3
S(s) + O2(g) = SO2(g) =>
S(s) + O2(g) = SO2(g)
NaOH(s) + Cl2(s) = NaClO(s) + NaCl(s) + H2O(l) =>
2 NaOH(s) + Cl2(s) = NaClO(s) + NaCl(s) + H2O(l)
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
Br2 + Sb2O3 + KOH = K2SbO4 + KBr + H2O =>
3 Br2 + Sb2O3 + 10 KOH = 2 K2SbO4 + 6 KBr + 5 H2O
Cr2O3 + KOH + O2 = KCrO4 + H2O =>
Cr2O3 + 2 KOH + 2 O2 = 2 KCrO4 + H2O
O3 = O0 =>
O3 = 3 O0
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Au + HF = AuF + H =>
Au + HF = AuF + H
OF2 + NaOH = O2 + NaF + H2O =>
OF2 + 2 NaOH = O2 + 2 NaF + H2O
C2H4 + KMnO4 + H2O = C2H4(OH)2 + MnO2 + KOH =>
3 C2H4 + 2 KMnO4 + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 KOH
CaCO3 + SO2 = CaSO3CO2 =>
CaCO3 + SO2 = CaSO3CO2
CH3CH2MgCl + CH2O = CH3CH2CH2OMgCl =>
CH3CH2MgCl + CH2O = CH3CH2CH2OMgCl
Ca(NO3)2 + P2(SO4)3 = Ca(SO4) + P(NO3)3 =>
3 Ca(NO3)2 + P2(SO4)3 = 3 Ca(SO4) + 2 P(NO3)3
C4H8Br2 + KOH = KBr + H2O + C4H6 =>
C4H8Br2 + 2 KOH = 2 KBr + 2 H2O + C4H6
K2CO3 + Fe2(SO4)3 = Fe2(CO3)3 + K2SO4 =>
3 K2CO3 + Fe2(SO4)3 = Fe2(CO3)3 + 3 K2SO4
Na2ZnO2 + H2O = Zn(OH)2 + NaOH =>
Na2ZnO2 + 2 H2O = Zn(OH)2 + 2 NaOH
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
Pb + H2 = PbH2 =>
Pb + H2 = PbH2
Ca(s) + FeSO4(aq) = CaSO4 + Fe =>
Ca(s) + FeSO4(aq) = CaSO4 + Fe
Ni + AuNO3 = Ni(NO3)2 + Au =>
Ni + 2 AuNO3 = Ni(NO3)2 + 2 Au
CaSO4 + SiO2 + C = CaSiO3 + SO2 + CO2 =>
2 CaSO4 + 2 SiO2 + C = 2 CaSiO3 + 2 SO2 + CO2
CaOAl2O3 + HCl = CaCl2 + AlCl3 + H2O =>
CaOAl2O3 + 8 HCl = CaCl2 + 2 AlCl3 + 4 H2O
Pb + H2 = PbH =>
2 Pb + H2 = 2 PbH
KMnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + KOH =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 3 Na2SO4 + 2 KOH
CaSO4 + SIO2 + C = CaSIO3 + CO + S =>
CaSO4 + SIO2 + 3 C = CaSIO3 + 3 CO + S
HNO3 + H3P = H3PO4 + H2O + N2 =>
8 HNO3 + 5 H3P = 5 H3PO4 + 4 H2O + 4 N2
NH3 + HCl = NH4{+} + Cl{-} =>
NH3 + HCl = NH4{+} + Cl{-}
Pb + H2 = PbH4 =>
Pb + 2 H2 = PbH4
Os(BrO)8 + Lu(OH)3 = Os(OH)8 + Lu(BrO)3 =>
3 Os(BrO)8 + 8 Lu(OH)3 = 3 Os(OH)8 + 8 Lu(BrO)3
NO2(aq) + Cr2O7(aq) = Cr(aq) + NO3(aq) =>
7 NO2(aq) + Cr2O7(aq) = 2 Cr(aq) + 7 NO3(aq)
ZnCl2 + H2O = ZnO + HCl =>
ZnCl2 + H2O = ZnO + 2 HCl
Al + Cu(CH3COO)2 = Al(CH3COO)2 + Cu =>
Al + Cu(CH3COO)2 = Al(CH3COO)2 + Cu
Cr2O3 + KOH + O2 = KCrO4 + H2O =>
Cr2O3 + 2 KOH + 2 O2 = 2 KCrO4 + H2O
ZnCl2 + H2O = ZnOHCl + HCl =>
ZnCl2 + H2O = ZnOHCl + HCl
Pb(NO3)2 + AgClO4 = Ag(NO3)2 + PbClO4 =>
Pb(NO3)2 + AgClO4 = Ag(NO3)2 + PbClO4
CH3CH2CH3 + HCl = CH3CHClCH3 + H2 =>
CH3CH2CH3 + HCl = CH3CHClCH3 + H2
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