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3 Na2S + 8 HNO3 = 3 Na2SO4 + 8 NO + 4 H2O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
C8H18O + O2 = CO2 + H2O =>
C8H18O + 12 O2 = 8 CO2 + 9 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
H + Mg + C2H5Br + C4H8O = C5H14O + MgBr =>
7 H + Mg + C2H5Br + 2 C4H8O = 2 C5H14O + MgBr
CaCl2 + H2O = CaO + HCl =>
CaCl2 + H2O = CaO + 2 HCl
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mn + H2O = H2 + Mn(OH)2 =>
Mn + 2 H2O = H2 + Mn(OH)2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HSO4 + Ca = CaSO4 + H =>
HSO4 + Ca = CaSO4 + H
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
S + O2 = SO2 =>
S + O2 = SO2
Bi(NO3)3 + H2S = Bi2S3 + HNO3 =>
2 Bi(NO3)3 + 3 H2S = Bi2S3 + 6 HNO3
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
Bi(NO3)3 + H2S = Bi2S3 + HNO3 =>
2 Bi(NO3)3 + 3 H2S = Bi2S3 + 6 HNO3
Ca + H2SO4 = CaSO4 + H2 =>
Ca + H2SO4 = CaSO4 + H2
H + Mg + C2H5Br + C4H8O = C6H14O + MgBr =>
H + Mg + C2H5Br + C4H8O = C6H14O + MgBr
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Na2B4O7*10H2O + HCl = H3BO3 + NaCl + H2O =>
Na2B4O7*10H2O + 2 HCl = 4 H3BO3 + 2 NaCl + 5 H2O
NH3(g) + O2(g) = NO(g) + H2O(g) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(g)
MnO2 + HBr = Br2 + MnBr2 + H2O =>
MnO2 + 4 HBr = Br2 + MnBr2 + 2 H2O
MgO + SO3 = MgSO4 =>
MgO + SO3 = MgSO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
HN(ClSO2)2 = HN(ClSO2)2 =>
HN(ClSO2)2 = HN(ClSO2)2
NO3 + Cl2 + H2O = HNO3 + ClO3 =>
12 NO3 + Cl2 + 6 H2O = 12 HNO3 + 2 ClO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
AgNO3 + KI = AgI + KNO3 =>
AgNO3 + KI = AgI + KNO3
Pb(NO3)2 + FeCl3 = Fe(NO3)3 + PbCl2 =>
3 Pb(NO3)2 + 2 FeCl3 = 2 Fe(NO3)3 + 3 PbCl2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Na2CO3 + H2CO3 = NaHCO3 =>
Na2CO3 + H2CO3 = 2 NaHCO3
C + O2 = CO2 =>
C + O2 = CO2
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
NaNo3 + PBO = PB(No3)2 + Na2O =>
2 NaNo3 + PBO = PB(No3)2 + Na2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C + O2 = CO =>
2 C + O2 = 2 CO
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
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