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Zn + 2 O = ZnO2
S + O2 = SO2 =>
S + O2 = SO2
NaClO2 + Cl2 = ClO2 + NaCl =>
2 NaClO2 + Cl2 = 2 ClO2 + 2 NaCl
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
FeCl2 + Na2S = NaCl + FeS =>
FeCl2 + Na2S = 2 NaCl + FeS
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
PH3 + Cl2 = PCl5 + HCl =>
PH3 + 4 Cl2 = PCl5 + 3 HCl
H2O2 + Fe(NO3)3 = HNO3 + FeO3 =>
3 H2O2 + 2 Fe(NO3)3 = 6 HNO3 + 2 FeO3
MnO2 + SO2 = MnSO4 =>
MnO2 + SO2 = MnSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg + H3N = Mg(NH2)2 + H2 =>
Mg + 2 H3N = Mg(NH2)2 + H2
AL + NaOH = Na3ALO3 + H2 =>
2 AL + 6 NaOH = 2 Na3ALO3 + 3 H2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
C15H30 + O2 = CO2 + H2O =>
2 C15H30 + 45 O2 = 30 CO2 + 30 H2O
C6H8O7 + Fe2O3 + H2O = C6H5O7Fe*6H2O =>
2 C6H8O7 + Fe2O3 + 9 H2O = 2 C6H5O7Fe*6H2O
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C15H30 + O2 = CO2 + H2O =>
2 C15H30 + 45 O2 = 30 CO2 + 30 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cl2 + Ba(OH)2 = Ba(ClO)2 + BaCl2 + H2O =>
2 Cl2 + 2 Ba(OH)2 = Ba(ClO)2 + BaCl2 + 2 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
BN + F2 = BF3 + N2 =>
2 BN + 3 F2 = 2 BF3 + N2
Cu(C2H3O2)2 + KI = CuI + KC2H3O2 + I2 =>
2 Cu(C2H3O2)2 + 4 KI = 2 CuI + 4 KC2H3O2 + I2
Zn(s) + AgNo3(aq) = Ag(s) + Zn(No3)2(aq) =>
Zn(s) + 2 AgNo3(aq) = 2 Ag(s) + Zn(No3)2(aq)
FeCl2 + BaS = BaCl2 + FeS =>
FeCl2 + BaS = BaCl2 + FeS
K3[CuI4] + Na2S2O7 = SO2 + I2 + CuSO4 + Na2SO4 + K2SO4 =>
2 K3[CuI4] + 10 Na2S2O7 = 5 SO2 + 4 I2 + 2 CuSO4 + 10 Na2SO4 + 3 K2SO4
KI + H2SO4 = KHSO4 + I2 + S + H2O =>
6 KI + 7 H2SO4 = 6 KHSO4 + 3 I2 + S + 4 H2O
CH3COH + Ag2O = CH3COOH + Ag =>
CH3COH + Ag2O = CH3COOH + 2 Ag
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
C5H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C5H10(g) + 15 O2(g) = 10 CO2(g) + 10 H2O(g)
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
KOH + H3Po4 = K3Po4 + H2O =>
3 KOH + H3Po4 = K3Po4 + 3 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg + HBr = MgBr2 + H2 =>
Mg + 2 HBr = MgBr2 + H2
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
Ca3P2 + HCl = CaCl2 + PH3 =>
Ca3P2 + 6 HCl = 3 CaCl2 + 2 PH3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
S + F = SF6 =>
S + 6 F = SF6
Al + H2So4 = Al2(So4)3 + H2 =>
2 Al + 3 H2So4 = Al2(So4)3 + 3 H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CH3CH2COH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2COOH + H2O =>
3 CH3CH2COH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2COOH + 4 H2O
BaCl2 + Na2So4 = BaSo4 + NaCl =>
BaCl2 + Na2So4 = BaSo4 + 2 NaCl
PbCl2 + FeSO4 = FeCl2 + PbSO4 =>
PbCl2 + FeSO4 = FeCl2 + PbSO4
Hg(NO3)2 + KOH = HgO + KNO3 + H2O =>
Hg(NO3)2 + 2 KOH = HgO + 2 KNO3 + H2O
As + HNO3 + H20 = H3AsO4 + NO =>
20 As + 40 HNO3 + H20 = 20 H3AsO4 + 40 NO
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