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2 Cu + CO2 = Cu2O + CO
Mg + CO3 = MgO + CO2 =>
Mg + CO3 = MgO + CO2
NaI + MnO4 + H2SO4 = Na2SO4 + MnSO4 + H2O + I2 =>
6 NaI + MnO4 + 4 H2SO4 = 3 Na2SO4 + MnSO4 + 4 H2O + 3 I2
P4 + S = P2S3 =>
P4 + 6 S = 2 P2S3
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
P(s) + S(s) = P4S3(s) =>
4 P(s) + 3 S(s) = P4S3(s)
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
B4H10 + O2 = B2O3 + H2O =>
2 B4H10 + 11 O2 = 4 B2O3 + 10 H2O
Ag(NO3)2 + NaCl = AgCl + Na(NO3)2 =>
Ag(NO3)2 + NaCl = AgCl + Na(NO3)2
Ag(s) + Mg(NO3)2(aq) = Mg(s) + AgNO3(aq) =>
2 Ag(s) + Mg(NO3)2(aq) = Mg(s) + 2 AgNO3(aq)
Na + K2O = NaO + K =>
Na + K2O = NaO + 2 K
Cr(OH)4{-} + H2O2 = CrO42{-} + H2O =>
Cr(OH)4{-} + 40 H2O2 = CrO42{-} + 42 H2O
C6H5C2H3 + KMnO4 + H2O = C6H5CH(OH)CH2(OH) + KOH + MnO2 =>
3 C6H5C2H3 + 2 KMnO4 + 4 H2O = 3 C6H5CH(OH)CH2(OH) + 2 KOH + 2 MnO2
F2(g) + MgCl2(aq) = Cl2(g) + MgF2(aq) =>
F2(g) + MgCl2(aq) = Cl2(g) + MgF2(aq)
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
Zn + HgCl2 = ZnCl2 + Hg =>
Zn + HgCl2 = ZnCl2 + Hg
H2SeO3 + Ba(OH)2 = BaSeO3 + H2O =>
H2SeO3 + Ba(OH)2 = BaSeO3 + 2 H2O
Sn + HNO3 + HCl = SnCl2 + NO + H2O =>
3 Sn + 2 HNO3 + 6 HCl = 3 SnCl2 + 2 NO + 4 H2O
HC9H7O4 = H + C9H7O4 =>
HC9H7O4 = H + C9H7O4
NH4ClO4 = N2 + O2 + H2O + HCl =>
4 NH4ClO4 = 2 N2 + 5 O2 + 6 H2O + 4 HCl
Na2S + HOH = NaHS + NaOH =>
Na2S + HOH = NaHS + NaOH
Pb(CO3) = PbO + CO2 =>
Pb(CO3) = PbO + CO2
CuCl + O2 + H2O = Cu3Cl2(OH)4 + CuCl2 =>
4 CuCl + O2 + 2 H2O = Cu3Cl2(OH)4 + CuCl2
SNS2(s) + O2(g) = SNO2(s) + SO2(g) =>
SNS2(s) + 3 O2(g) = SNO2(s) + 2 SO2(g)
HSO3{-} + H2O = H2SO3 + OH{-} =>
HSO3{-} + H2O = H2SO3 + OH{-}
Hg(NO3)2 + K2S = HgS + KNO3 =>
Hg(NO3)2 + K2S = HgS + 2 KNO3
CH4 = C2H2 + H2 =>
2 CH4 = C2H2 + 3 H2
C8H10O2 + NaOCl = C8H8O2 + Na + Cl + H3O =>
3 C8H10O2 + 2 NaOCl = 3 C8H8O2 + 2 Na + 2 Cl + 2 H3O
H2SO3 + Ba = BaSO3 + H =>
H2SO3 + Ba = BaSO3 + 2 H
(NH4)2SO4 + Cu(OH)2 + HCl = CuSO4 + (NH4)Cl + H2O =>
(NH4)2SO4 + Cu(OH)2 + 2 HCl = CuSO4 + 2(NH4)Cl + 2 H2O
Li2 + N2 = Li3N =>
3 Li2 + N2 = 2 Li3N
H2SO4 + KMnO4 + H2O2 = MnO4 + K2SO4 + H2O =>
H2SO4 + 2 KMnO4 + H2O2 = 2 MnO4 + K2SO4 + 2 H2O
HNO3(aq) = NO2(aq) + H2O(l) + O2(g) =>
4 HNO3(aq) = 4 NO2(aq) + 2 H2O(l) + O2(g)
Zn(s) + H2O(l) = ZnO(s) + H2(g) =>
Zn(s) + H2O(l) = ZnO(s) + H2(g)
KBr + H2SO4 = K2SO4 + HBr =>
2 KBr + H2SO4 = K2SO4 + 2 HBr
HCl + NH4(OH) = NH4(Cl) + H2O =>
HCl + NH4(OH) = NH4(Cl) + H2O
C2H4 + HOH = C2H5OH =>
C2H4 + HOH = C2H5OH
C7H8 + KMnO4 = KC7H5O2 + MnO2 + KOH + H2O =>
C7H8 + 2 KMnO4 = KC7H5O2 + 2 MnO2 + KOH + H2O
Al2O3 + Ca(OH)2 = CaAl2O4 + H2O =>
Al2O3 + Ca(OH)2 = CaAl2O4 + H2O
CuSO4(s) = Cu + SO4 =>
CuSO4(s) = Cu + SO4
S8 + H2O = SO2 + H2 =>
S8 + 16 H2O = 8 SO2 + 16 H2
Ca(OH)2 + H2 = CaH2 + H2O =>
Ca(OH)2 + 2 H2 = CaH2 + 2 H2O
KBr + Fe = KFe + Br2 =>
2 KBr + 2 Fe = 2 KFe + Br2
KCl + (NH4)2SO4 = K2SO4 + NH4Cl =>
2 KCl + (NH4)2SO4 = K2SO4 + 2 NH4Cl
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Mn + CO3 = Mn2(CO3)4 =>
2 Mn + 4 CO3 = Mn2(CO3)4
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Cu2O + NH3 + O2 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu2O + 16 NH3 + O2 + 4 H2O = 4[Cu(NH3)4](OH)2
C21H44 + O2 = CO + H2O =>
2 C21H44 + 43 O2 = 42 CO + 44 H2O
V(OH)2 + O2 + H2O = V(OH)3 =>
4 V(OH)2 + O2 + 2 H2O = 4 V(OH)3
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