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2 Al + Cr2O3 = Al2O3 + 2 Cr
H2O2 = H2 + O2 =>
H2O2 = H2 + O2
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
(NH4)2SO4(aq) + NaOH(aq) = NH3(g) + Na2SO4(aq) + H2O(l) =>
(NH4)2SO4(aq) + 2 NaOH(aq) = 2 NH3(g) + Na2SO4(aq) + 2 H2O(l)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Ti3(PO4)4 + Sn(CH3COO)2 = Ti(CH3COO)4 + Sn3(PO4)2 =>
Ti3(PO4)4 + 6 Sn(CH3COO)2 = 3 Ti(CH3COO)4 + 2 Sn3(PO4)2
Q + N2 = NQ2 =>
4 Q + N2 = 2 NQ2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
C7H5(NO2)3 = C + CO + H2 + N2 =>
2 C7H5(NO2)3 = 2 C + 12 CO + 5 H2 + 3 N2
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
HCl(aq) + KOH(aq) = H2O(l) + KCl =>
HCl(aq) + KOH(aq) = H2O(l) + KCl
Zn + Ag(NO3)2 = Zn(NO3)2 + Ag =>
Zn + Ag(NO3)2 = Zn(NO3)2 + Ag
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Zn(s) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
KOH + HCI = KCI + H2O =>
KOH + HCI = KCI + H2O
FeO + C = Fe + CO2 =>
2 FeO + C = 2 Fe + CO2
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CaCl2 + Li2SO4 = CaSO4 + LiCl =>
CaCl2 + Li2SO4 = CaSO4 + 2 LiCl
CuSO4 + Fe = Fe2(SO4)3 + Cu =>
3 CuSO4 + 2 Fe = Fe2(SO4)3 + 3 Cu
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
KNO3 + C = K2CO3 + CO + N2 =>
2 KNO3 + 4 C = K2CO3 + 3 CO + N2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
C + H2 = C2H4 =>
2 C + 2 H2 = C2H4
Ag2CO3 = Ag + CO2 + O2 =>
2 Ag2CO3 = 4 Ag + 2 CO2 + O2
Al(OH)3 + KOH = KAlO2 + H2O =>
Al(OH)3 + KOH = KAlO2 + 2 H2O
C4H5Cl + C2H3Cl = C6H5Cl + CH3Cl =>
C4H5Cl + 2 C2H3Cl = C6H5Cl + 2 CH3Cl
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
Pb(s) + HCl(aq) = PbCl2(aq) + H2(g) =>
Pb(s) + 2 HCl(aq) = PbCl2(aq) + H2(g)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Fe2(CO3)3 + H2SO4 = Fe2(SO4)3 + H2O + CO2 =>
Fe2(CO3)3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O + 3 CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
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