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2 PbS + 3 O2 = 2 PbO + 2 SO2
H(NO3) + Fe(OH)3 = FeH3 + (NO3)3(OH)3 =>
3 H(NO3) + Fe(OH)3 = FeH3 + (NO3)3(OH)3
MgO + HBr = MgBr2 + H2O =>
MgO + 2 HBr = MgBr2 + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
ZnO + HCl = ZnCl2 + H2O =>
ZnO + 2 HCl = ZnCl2 + H2O
CuSO4 + Pb(NO3)2 = Cu2(NO3)2 + Pb(SO4)2 =>
2 CuSO4 + Pb(NO3)2 = Cu2(NO3)2 + Pb(SO4)2
Mg(OH)2 + HNO3 = Mg(NO3)2 + H2O =>
Mg(OH)2 + 2 HNO3 = Mg(NO3)2 + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CuSO4 + Pb(NO3)2 = Cu2(NO3)2 + Pb(SO4)2 =>
2 CuSO4 + Pb(NO3)2 = Cu2(NO3)2 + Pb(SO4)2
KClO4 = KCl + O2 =>
KClO4 = KCl + 2 O2
Na3PO4 + BaCl2 = Ba3(PO4)2 + NaCl =>
2 Na3PO4 + 3 BaCl2 = Ba3(PO4)2 + 6 NaCl
Ca + CH3COOH = Ca(CH3COO)2 + H2 =>
Ca + 2 CH3COOH = Ca(CH3COO)2 + H2
Ba(NO3)2 + Na3PO4 = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaNO3
Cu(OH)2 + NH2CH2COOH = Cu(NH2CH2COO)2 + H2O =>
Cu(OH)2 + 2 NH2CH2COOH = Cu(NH2CH2COO)2 + 2 H2O
NaOH + HNO3 = H2O + NaNO3 =>
NaOH + HNO3 = H2O + NaNO3
P + KClO3 = P2O5 + KCl =>
6 P + 5 KClO3 = 3 P2O5 + 5 KCl
NaI + CaCl2 = CaI2 + Na + Cl2 =>
2 NaI + CaCl2 = CaI2 + 2 Na + Cl2
NaOH + HNO3 = H2O + NaNO3 =>
NaOH + HNO3 = H2O + NaNO3
H2(SO4) + (NH4)(OH) = H2(NH4) + (SO4)(OH) =>
H2(SO4) + (NH4)(OH) = H2(NH4) + (SO4)(OH)
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
NaSO4 + BaCl = NaCl + BaSO4 =>
NaSO4 + BaCl = NaCl + BaSO4
(CH3COO)H + O2 = H2O + CO =>
(CH3COO)H + O2 = 2 H2O + 2 CO
Na2SO4 + BaCl2 = NaCl + BaSO4 =>
Na2SO4 + BaCl2 = 2 NaCl + BaSO4
NH3 + CH3OH = CH3NH2 + H2O =>
NH3 + CH3OH = CH3NH2 + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Na2SO4 + CaCl2 = NaCl + CaSO4 =>
Na2SO4 + CaCl2 = 2 NaCl + CaSO4
C6H6 + Br2 = C6H5Br + HBr =>
C6H6 + Br2 = C6H5Br + HBr
CH2O + CO + H2O = HOCH2COOH =>
CH2O + CO + H2O = HOCH2COOH
H2SO4 + Ca3(PO4)2 = H3PO4 + CaSO4 =>
3 H2SO4 + Ca3(PO4)2 = 2 H3PO4 + 3 CaSO4
C4H8 + O2 = C2H3O2 + H2 =>
C4H8 + 2 O2 = 2 C2H3O2 + H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Pb(NO3)3 + NaOH = Pb(OH)3 + NaNO3 =>
Pb(NO3)3 + 3 NaOH = Pb(OH)3 + 3 NaNO3
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
KCl + Mg(OH)2 = K(OH)2 + Mg + Cl2 =>
2 KCl + 2 Mg(OH)2 = 2 K(OH)2 + 2 Mg + Cl2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
P2H4 = PH3 + P4H2 =>
5 P2H4 = 6 PH3 + P4H2
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Pb(NO3)3 + NaOH = Pb(OH)3 + NaNO3 =>
Pb(NO3)3 + 3 NaOH = Pb(OH)3 + 3 NaNO3
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
Zn + Au(NO2)2 = Au + Zn(NO2)2 =>
Zn + Au(NO2)2 = Au + Zn(NO2)2
HNO3 + Zn = Zn(NO3)2 + NH4NO3 + H2O =>
10 HNO3 + 4 Zn = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
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