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2 Al + 2 H2SO4 = Al2(SO4) + SO2 + 2 H2O
Zn + Na2S = Na + ZnS =>
Zn + Na2S = 2 Na + ZnS
P + H2 = PH3 =>
2 P + 3 H2 = 2 PH3
Br5 + O2 = Br2O5 =>
4 Br5 + 25 O2 = 10 Br2O5
KMNO4 + FeSO4 + H2SO4 = K2SO4 + MNSO4 + Fe2(SO4)3 + H2O =>
2 KMNO4 + 10 FeSO4 + 8 H2SO4 = K2SO4 + 2 MNSO4 + 5 Fe2(SO4)3 + 8 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Br2 + O2 = Br2O5 =>
2 Br2 + 5 O2 = 2 Br2O5
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
Br1 + O2 = Br2O5 =>
4 Br1 + 5 O2 = 2 Br2O5
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NO2 + H2 = NH3 + H2O =>
2 NO2 + 7 H2 = 2 NH3 + 4 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
Al + NAOH + H2O = NAAl(OH)4 + H2 =>
2 Al + 2 NAOH + 6 H2O = 2 NAAl(OH)4 + 3 H2
Br5 + O2 = Br2O5 =>
4 Br5 + 25 O2 = 10 Br2O5
KI + KMnO4 + H2SO4 = I2 + MnSO4 + K2SO4 + H2O =>
10 KI + 2 KMnO4 + 8 H2SO4 = 5 I2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
Br2 + O2 = Br2O5 =>
2 Br2 + 5 O2 = 2 Br2O5
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
ZnS(s) + O2(g) = ZnO(s) + SO2(g) =>
2 ZnS(s) + 3 O2(g) = 2 ZnO(s) + 2 SO2(g)
Na + Cl = NaCl =>
Na + Cl = NaCl
Ca + O = CaO =>
Ca + O = CaO
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
PH3 = P + H2 =>
2 PH3 = 2 P + 3 H2
CF4 + Br = CBr4 + F2 =>
CF4 + 4 Br = CBr4 + 2 F2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
PbCO3 = PbO + CO2 =>
PbCO3 = PbO + CO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CUJ2 = CUJ + J2 =>
2 CUJ2 = 2 CUJ + J2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Fe(HCO3)3 = Fe2O3 + CO2 + H2O =>
2 Fe(HCO3)3 = Fe2O3 + 6 CO2 + 3 H2O
Br2 + I = IBr2 =>
Br2 + I = IBr2
NaNO2 + H2SO4 = NO + NaNO3 + H2O + Na2SO4 =>
3 NaNO2 + H2SO4 = 2 NO + NaNO3 + H2O + Na2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Si2H3 + O2 = SiO2 + H2O3 =>
4 Si2H3 + 17 O2 = 8 SiO2 + 6 H2O3
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
Pb + O2 = PbO2 =>
Pb + O2 = PbO2
Pb2 + O2 = PbO2 =>
Pb2 + 2 O2 = 2 PbO2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
K + Cl = KCl =>
K + Cl = KCl
H2SO4 + Ca(OH)2 = CaSO4 + H2O =>
H2SO4 + Ca(OH)2 = CaSO4 + 2 H2O
Br2 + Cl = ClBr2 =>
Br2 + Cl = ClBr2
HCHO + KMnO4 + H2SO4 = CO2 + H2O + MnSO4 + K2SO4 =>
5 HCHO + 4 KMnO4 + 6 H2SO4 = 5 CO2 + 11 H2O + 4 MnSO4 + 2 K2SO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
H2O + N2O3 = HNO2 =>
H2O + N2O3 = 2 HNO2
Mn + H2O = MnOH + H2 =>
2 Mn + 2 H2O = 2 MnOH + H2
P2S3 + HNO3 = H3PO4 + SO2 + NO2 + H2O =>
P2S3 + 22 HNO3 = 2 H3PO4 + 3 SO2 + 22 NO2 + 8 H2O
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
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