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2 Co2 + 3 O2 = 2 Co2O3
Al + C = AlC =>
Al + C = AlC
KNO2 + K = K2O + N2 =>
2 KNO2 + 6 K = 4 K2O + N2
C4H8O2 + O2 = CO2 + H2O =>
C4H8O2 + 5 O2 = 4 CO2 + 4 H2O
Fe + AuCl = FeCl2 + Au =>
Fe + 2 AuCl = FeCl2 + 2 Au
Mn3O4 + KClO3 + K2CO3 = KMnO4 + KCl + CO2 =>
6 Mn3O4 + 13 KClO3 + 9 K2CO3 = 18 KMnO4 + 13 KCl + 9 CO2
C6H5OH + HNO3 = C6H5NO3 + H2O =>
C6H5OH + HNO3 = C6H5NO3 + H2O
MgSO4 = MgS + O2 =>
MgSO4 = MgS + 2 O2
CO3{2-} + H{+} = HCO3{-} =>
CO3{2-} + H{+} = HCO3{-}
C12H22O4 + H2O = C2H5OH + CO2 =>
6 C12H22O4 + 27 H2O = 31 C2H5OH + 10 CO2
C4H10 + Cl = C4H9Cl + HCl =>
C4H10 + 2 Cl = C4H9Cl + HCl
C6H8O6 + KOH = C6H7O6K + H2O =>
C6H8O6 + KOH = C6H7O6K + H2O
KNO3 + Na2S = KNO2 + Na2SO4 =>
4 KNO3 + Na2S = 4 KNO2 + Na2SO4
Rb + HNO3 = RbNO3 + H =>
Rb + HNO3 = RbNO3 + H
Cr + PbCl2 = CrCl2 + Pb =>
Cr + PbCl2 = CrCl2 + Pb
CuSO4 + KI + H2SO4 = I2 + K2SO4 + H2O + Cu2S =>
2 CuSO4 + 10 KI + 4 H2SO4 = 5 I2 + 5 K2SO4 + 4 H2O + Cu2S
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HNO3 + P4O10 = N2O5 + H3PO4 =>
12 HNO3 + P4O10 = 6 N2O5 + 4 H3PO4
Al + ZnO = Al2O3 + Zn =>
2 Al + 3 ZnO = Al2O3 + 3 Zn
CH = C + H2 =>
2 CH = 2 C + H2
Mg(s) + H2S(g) = MgS(s) + H2(g) =>
Mg(s) + H2S(g) = MgS(s) + H2(g)
Mn2O7 + H2O = Mn(OH)7 =>
Mn2O7 + 7 H2O = 2 Mn(OH)7
Mn(OH)2 + KMnO4 = MnO2 + KOH + H2O =>
3 Mn(OH)2 + 2 KMnO4 = 5 MnO2 + 2 KOH + 2 H2O
CoAsS + O2 = SO2 + CoO + As2O3 =>
4 CoAsS + 9 O2 = 4 SO2 + 4 CoO + 2 As2O3
HClO3(aq) + LiOH(aq) = LiClO3(aq) + H2O(l) =>
HClO3(aq) + LiOH(aq) = LiClO3(aq) + H2O(l)
KNO3 + Na2S = KNO2 + Na2SO4 =>
4 KNO3 + Na2S = 4 KNO2 + Na2SO4
Li(s) + Br2(l) = LiBr =>
2 Li(s) + Br2(l) = 2 LiBr
Ba(NO3)2(aq) + Na2SO3(aq) = BaSO3(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2SO3(aq) = BaSO3(s) + 2 NaNO3(aq)
Ag(NH3)2 + KBr = AgBr + K + NH3 =>
Ag(NH3)2 + KBr = AgBr + K + 2 NH3
C6H5NH2 + HCl = (C6H5NH3)Cl =>
C6H5NH2 + HCl = (C6H5NH3)Cl
Cd + CuBr3 = CdBr3 + Cu =>
Cd + CuBr3 = CdBr3 + Cu
Al(OH)3 + NaOH + H2O = Na[Al(OH)6] + H2 =>
Al(OH)3 + NaOH + 2 H2O = Na[Al(OH)6] + H2
SO3{-2} + H2O = SO4{-2} + H =>
SO3{-2} + H2O = SO4{-2} + 2 H
NaClO2 + C9H8O = C9H8O2 + NaCl =>
NaClO2 + 2 C9H8O = 2 C9H8O2 + NaCl
ClO3{-} + SO2 + H2O = Cl{-} + SO42{-} + H{+} =>
79 ClO3{-} + 6 SO2 + 3 H2O = 79 Cl{-} + 6 SO42{-} + 6 H{+}
Cr(s) + F2(g) = CrF3 =>
2 Cr(s) + 3 F2(g) = 2 CrF3
C2H6 + F2 = C2F6 + HF =>
C2H6 + 6 F2 = C2F6 + 6 HF
NaOH + C2H4O2 = NaC2H3O2 + HOH =>
NaOH + C2H4O2 = NaC2H3O2 + HOH
K2Cr2O7 + H2SO4 + CH3OH = Cr2(SO4)3 + HCHO + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 CH3OH = Cr2(SO4)3 + 3 HCHO + K2SO4 + 7 H2O
KI(aq) + Pb(CH3COO)2(aq) = PbI2(s) + KCH3COO(aq) =>
2 KI(aq) + Pb(CH3COO)2(aq) = PbI2(s) + 2 KCH3COO(aq)
C6H5OH + Na = C6H5ONa + H2 =>
2 C6H5OH + 2 Na = 2 C6H5ONa + H2
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
K2Cr2O7 + C6H12O + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
17 K2Cr2O7 + 3 C6H12O + 68 H2SO4 = 17 Cr2(SO4)3 + 17 K2SO4 + 18 CO2 + 86 H2O
Hg + Au(CH3COO)3 = Au + Hg(CH3COO) =>
3 Hg + Au(CH3COO)3 = Au + 3 Hg(CH3COO)
Cl2 + Ca(OH)2 = Ca(OCl)2 + CaCl2 + H2O =>
2 Cl2 + 2 Ca(OH)2 = Ca(OCl)2 + CaCl2 + 2 H2O
Fe2(SO4)3 + NaCl = Fe2Cl + Na(SO4)3 =>
Fe2(SO4)3 + NaCl = Fe2Cl + Na(SO4)3
C + Mg = CMg =>
C + Mg = CMg
OH{-} + Zn{2+} = ZnO2{2-} + H2O =>
4 OH{-} + Zn{2+} = ZnO2{2-} + 2 H2O
C3H7Br + KOH = C3H7OH + KBr =>
C3H7Br + KOH = C3H7OH + KBr
Ni(NO3)2 + NH3 + H2O = Ni(OH)2 + NH4NO3 =>
Ni(NO3)2 + 2 NH3 + 2 H2O = Ni(OH)2 + 2 NH4NO3
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