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2 CrO(OH) = Cr2O3 + H2O
Ba(OH)2 + MgSO4 = BaSO4(s) + Mg(OH)2 =>
Ba(OH)2 + MgSO4 = BaSO4(s) + Mg(OH)2
NaCO3 + Al(NO3)3 = NaNO3 + Al(CO3)3 =>
3 NaCO3 + Al(NO3)3 = 3 NaNO3 + Al(CO3)3
Zn + Sn(NO3)4 = Zn(NO3)2 + Sn =>
2 Zn + Sn(NO3)4 = 2 Zn(NO3)2 + Sn
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CrCl3 + NaClO2 + NaOH = Na2CrO4 + NaCl + H2O =>
4 CrCl3 + 3 NaClO2 + 20 NaOH = 4 Na2CrO4 + 15 NaCl + 10 H2O
Fe + Ni = FeNi =>
Fe + Ni = FeNi
Mg(OH)2 + H3PO3 = H2O + Mg3(PO3)2 =>
3 Mg(OH)2 + 2 H3PO3 = 6 H2O + Mg3(PO3)2
BaCO3(s) + HCl(aq) = BaCl2(s) + H2O(l) + CO2(g) =>
BaCO3(s) + 2 HCl(aq) = BaCl2(s) + H2O(l) + CO2(g)
NaHSO4*H2O + C2H5OH = C2H6O4S + Na2SO4 + H2O =>
2 NaHSO4*H2O + C2H5OH = C2H6O4S + Na2SO4 + 3 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mn + PbO2 = PbO + MnO =>
Mn + PbO2 = PbO + MnO
Zn(s) + Fe(NO3)3(aq) = Zn(NO3)2(aq) + Fe(s) =>
3 Zn(s) + 2 Fe(NO3)3(aq) = 3 Zn(NO3)2(aq) + 2 Fe(s)
Cl2 + ClO2{-} = Cl{-} + ClO2 =>
Cl2 + 2 ClO2{-} = 2 Cl{-} + 2 ClO2
Cu + LiBr = CuBr2 + Li =>
Cu + 2 LiBr = CuBr2 + 2 Li
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C6H5NO2 + (NH4)2S + HCl = C6H5NH3Cl + NH3 + S + H2O =>
C6H5NO2 + 3(NH4)2S + HCl = C6H5NH3Cl + 6 NH3 + 3 S + 2 H2O
SrF2 + H2O = SrO + F2H2 =>
SrF2 + H2O = SrO + F2H2
Cl + Ca(OH)2 = Ca(OCl)2 + CaCl2 + H2O =>
4 Cl + 2 Ca(OH)2 = Ca(OCl)2 + CaCl2 + 2 H2O
NH4(NO3) = N2 + O2 + H2O =>
2 NH4(NO3) = 2 N2 + O2 + 4 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NaBr2(aq) + Cl2(g) = NaCl(aq) + Br2 =>
2 NaBr2(aq) + Cl2(g) = 2 NaCl(aq) + 2 Br2
Cu(s) + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu(s) + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
BBr3 + H = B + HBr =>
BBr3 + 3 H = B + 3 HBr
C + HO = CHO =>
C + HO = CHO
FeBr3 + F2 = FeF3 + Br4 =>
4 FeBr3 + 6 F2 = 4 FeF3 + 3 Br4
Al + Zn(No3)3 = Al(No3)2 + Zn =>
3 Al + 2 Zn(No3)3 = 3 Al(No3)2 + 2 Zn
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
I + Cl = ICl3 =>
I + 3 Cl = ICl3
Fe(OH)2 + P4O10 = Fe3(PO4)2 + H2O =>
6 Fe(OH)2 + P4O10 = 2 Fe3(PO4)2 + 6 H2O
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
N2H4 + Fe2O3 = N2 + Fe3O4 + H2O =>
N2H4 + 6 Fe2O3 = N2 + 4 Fe3O4 + 2 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
Ca3(PO4)2 + SiO2 = P4O10 + CaSiO3 =>
2 Ca3(PO4)2 + 6 SiO2 = P4O10 + 6 CaSiO3
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
NF3 = N2 + F2 =>
2 NF3 = N2 + 3 F2
S + H2O2 = H2S + O2 =>
S + H2O2 = H2S + O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NH4OH + Al(NO3)3 = NH3 + Al(OH)3 + NO3 =>
6 NH4OH + 3 Al(NO3)3 = 7 NH3 + 3 Al(OH)3 + 8 NO3
C11H22 + O2 = COH2O =>
C11H22 + 11 O2 = 11 COH2O
Na2Cr2O7 + H2SO4 = Na{+} + H3O{+} + HSO4{-} + CrO3 =>
Na2Cr2O7 + 3 H2SO4 = 2 Na{+} + H3O{+} + 3 HSO4{-} + 2 CrO3
PbO2 + C = Pb + CO2 =>
PbO2 + C = Pb + CO2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
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