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N2O2 = 2 NO
Fe2 + CuSO4 = FeSO4 + Cu2 =>
Fe2 + 2 CuSO4 = 2 FeSO4 + Cu2
Na2Cl + Ca(NO3)2 = NaNO3 + CaCl =>
Na2Cl + Ca(NO3)2 = 2 NaNO3 + CaCl
Sn(OH)Cl + HCl = SnCl2 + H2O =>
Sn(OH)Cl + HCl = SnCl2 + H2O
Na2S + SO2 + H2O = Na2SO4 + H2S =>
3 Na2S + 4 SO2 + 4 H2O = 3 Na2SO4 + 4 H2S
NaCl + AgNO2 = AgCl + NaNO2 =>
NaCl + AgNO2 = AgCl + NaNO2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Si + KMnO4 = SiO2 + K + Mn =>
2 Si + KMnO4 = 2 SiO2 + K + Mn
Mn + O2 = MnO2 =>
Mn + O2 = MnO2
AlCl3 + NH4F = AlF3 + NH4Cl =>
AlCl3 + 3 NH4F = AlF3 + 3 NH4Cl
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
AlCl3 + NH4F = AlF3 + NH4Cl =>
AlCl3 + 3 NH4F = AlF3 + 3 NH4Cl
HCl + KBrO3 = Cl2 + H2O + KBr =>
6 HCl + KBrO3 = 3 Cl2 + 3 H2O + KBr
AlCl3 + NaHCO3 + H2O = Al(OH)3 + H2CO3 + NaCl =>
AlCl3 + 3 NaHCO3 + 3 H2O = Al(OH)3 + 3 H2CO3 + 3 NaCl
CH3CCCH3 + KMnO4 + H2O = CH3COOH + KOH + MnO2 =>
CH3CCCH3 + 2 KMnO4 + 2 H2O = 2 CH3COOH + 2 KOH + 2 MnO2
NaCl + H2O = NaOH + H2 + Cl =>
2 NaCl + 2 H2O = 2 NaOH + H2 + 2 Cl
FeS2 + O2 = FeSO4 + SO2 =>
FeS2 + 3 O2 = FeSO4 + SO2
Ca(OCl)2 + NaHCO3 = Ca(HCO3)2 + NaOCl =>
Ca(OCl)2 + 2 NaHCO3 = Ca(HCO3)2 + 2 NaOCl
CaO + B = B2O3 + Ca =>
3 CaO + 2 B = B2O3 + 3 Ca
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
AlClO3 + Br = Al + BrClO3 =>
AlClO3 + Br = Al + BrClO3
HCOOH + C3H7OH = HCOOC3H7 + HOH =>
HCOOH + C3H7OH = HCOOC3H7 + HOH
CaO + S = Ca + SO4 =>
4 CaO + S = 4 Ca + SO4
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
H2O + O2 = (H2O2) =>
2 H2O + O2 = 2(H2O2)
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CuO + Ca(OH)2 = Cu(OH)2 + CaO =>
CuO + Ca(OH)2 = Cu(OH)2 + CaO
HNO3(aq) + NaHCO3(s) = NaNO3 + H2O + CO2 =>
HNO3(aq) + NaHCO3(s) = NaNO3 + H2O + CO2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
KClO3 + KNO2 + H2SO4 = KNO3 + HCl + K2SO4 =>
2 KClO3 + 6 KNO2 + H2SO4 = 6 KNO3 + 2 HCl + K2SO4
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
CaO + HNO3 = H2O + Ca(NO3)2 =>
CaO + 2 HNO3 = H2O + Ca(NO3)2
Na2SO4 + Cu(NO3)2 = Na2(NO3)2 + CuSO4 =>
Na2SO4 + Cu(NO3)2 = Na2(NO3)2 + CuSO4
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
K2SO4Na2CrO4 = K2CrO4 + Na2SO4 =>
K2SO4Na2CrO4 = K2CrO4 + Na2SO4
Ag(s) + HCl(aq) = AgCl(s) + H2(g) =>
2 Ag(s) + 2 HCl(aq) = 2 AgCl(s) + H2(g)
K2MnO4 + Br2 = KBr + MnBr2 + O2 =>
K2MnO4 + 2 Br2 = 2 KBr + MnBr2 + 2 O2
MnO + H2O = Mn(OH)2 =>
MnO + H2O = Mn(OH)2
Ca + K2O = K2CaO =>
Ca + K2O = K2CaO
C6H5Cl + Na = C6H5NaCl =>
C6H5Cl + Na = C6H5NaCl
Ca + WO3 = W + CaO =>
3 Ca + WO3 = W + 3 CaO
H3PO4 + NH4OH = (NH4)03PO4 + HOH =>
H3PO4 + 3 NH4OH = (NH4)03PO4 + 3 HOH
KMnO4 + HCl = Cl2 + H2O + MnCl2 + KCl =>
2 KMnO4 + 16 HCl = 5 Cl2 + 8 H2O + 2 MnCl2 + 2 KCl
A + B = AB =>
A + B = AB
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