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2 Hg + O2 = 2 HgO
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
CuO + NaOH = CuOH + NaO =>
CuO + NaOH = CuOH + NaO
NaCl + K = KCl + Na =>
NaCl + K = KCl + Na
NH3 + HCL = NH4CL =>
NH3 + HCL = NH4CL
KH2SO4 + Pb(NO3)2 = KNO3 + Pb(H2SO4)2 =>
2 KH2SO4 + Pb(NO3)2 = 2 KNO3 + Pb(H2SO4)2
HNO2 + HI = NO + I2 + H2O =>
2 HNO2 + 2 HI = 2 NO + I2 + 2 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Mg(OH)2(aq) + H3PO4(aq) = H2O(l) + Mg3(PO4)2(aq) =>
3 Mg(OH)2(aq) + 2 H3PO4(aq) = 6 H2O(l) + Mg3(PO4)2(aq)
CH3COOH + Pb = Pb(CH3COOH)2 =>
2 CH3COOH + Pb = Pb(CH3COOH)2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2 + C2H4 = C2H6 =>
H2 + C2H4 = C2H6
Cu2O + Cu2S = Cu + SO2 =>
2 Cu2O + Cu2S = 6 Cu + SO2
HNO3 + HBr = NO + Br2 + H2O =>
2 HNO3 + 6 HBr = 2 NO + 3 Br2 + 4 H2O
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
Sn + HNO3 = H2SnO3 + NO2 + H2O =>
Sn + 4 HNO3 = H2SnO3 + 4 NO2 + H2O
[Ag(NH3)2]OH + CH3COH = CH3COONH4 + Ag + NH3 + H2O =>
2[Ag(NH3)2]OH + CH3COH = CH3COONH4 + 2 Ag + 3 NH3 + H2O
C12H22O11(s)(sucrose) = C(s) + H2O(l) =>
C12H22O11(s)(sucrose) = 12 C(s) + 11 H2O(l)
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
AgNO3 + FeCl2 = AgCl + Fe(NO3)2 =>
2 AgNO3 + FeCl2 = 2 AgCl + Fe(NO3)2
C + H2 = CH4 =>
C + 2 H2 = CH4
MgO + CO = Mg + CO2 =>
MgO + CO = Mg + CO2
[Ag(NH3)2]OH + CH3COH = CH3COOH + Ag + NH3 + H2O =>
2[Ag(NH3)2]OH + CH3COH = CH3COOH + 2 Ag + 4 NH3 + H2O
MgO + CO = Mg + CO2 =>
MgO + CO = Mg + CO2
HNO3 + HBr = NO + Br2 + H2O =>
2 HNO3 + 6 HBr = 2 NO + 3 Br2 + 4 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
MgO + CO = Mg + CO2 =>
MgO + CO = Mg + CO2
HNO3 = H + NO3 =>
HNO3 = H + NO3
K2FeO4 + H2O = Fe(OH)3 + O2 + KOH =>
4 K2FeO4 + 10 H2O = 4 Fe(OH)3 + 3 O2 + 8 KOH
KCLO3 = KCLO4 + KCL =>
4 KCLO3 = 3 KCLO4 + KCL
F2 + FeCl2 + NaCl = FeCl3 + NaF =>
F2 + 2 FeCl2 + 2 NaCl = 2 FeCl3 + 2 NaF
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CU(s) + O2(g) = CUO(s) =>
2 CU(s) + O2(g) = 2 CUO(s)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cl2 + H2O = HCl + HClO3 =>
3 Cl2 + 3 H2O = 5 HCl + HClO3
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
FeSO4 + BaCl2 = FeCl2 + BaSO4 =>
FeSO4 + BaCl2 = FeCl2 + BaSO4
N2 + O2 = NO =>
N2 + O2 = 2 NO
C6H10 + HBr = C6H11Br =>
C6H10 + HBr = C6H11Br
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Fe + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3 = Fe(NO3)3 + NO + 2 H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
AgNO3 + FeCl2 = AgCl + Fe(NO3)2 =>
2 AgNO3 + FeCl2 = 2 AgCl + Fe(NO3)2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
Al + HNO3 = Al(NO3)2 + N2O + H2O =>
4 Al + 10 HNO3 = 4 Al(NO3)2 + N2O + 5 H2O
I2 + H = HI =>
I2 + 2 H = 2 HI
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Fe + Cl4 = FeCl3 =>
4 Fe + 3 Cl4 = 4 FeCl3
K2FeO4 + KI + H2SO4 = FeSO4 + I2 + K2SO4 + H2O =>
K2FeO4 + 4 KI + 4 H2SO4 = FeSO4 + 2 I2 + 3 K2SO4 + 4 H2O
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