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Cu + 2 HNO3 = Cu(NO3)2 + H2
KMnO4 + H2SO4 + FeSO4 = K2SO4 + MnSO4 + Fe(SO4)3 + H2O =>
4 KMnO4 + 16 H2SO4 + 5 FeSO4 = 2 K2SO4 + 4 MnSO4 + 5 Fe(SO4)3 + 16 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
NH3 + Fe2O3 = Fe + N2 + H2O =>
2 NH3 + Fe2O3 = 2 Fe + N2 + 3 H2O
La2O3(s) + H2O(l) = La(OH)3(aq) =>
La2O3(s) + 3 H2O(l) = 2 La(OH)3(aq)
NH3 + Fe2O3 = Fe(OH) + N2 + H2O =>
4 NH3 + 3 Fe2O3 = 6 Fe(OH) + 2 N2 + 3 H2O
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
NH4OH + H2SO4 = (NH4)2SO4 + H2O =>
2 NH4OH + H2SO4 = (NH4)2SO4 + 2 H2O
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
Hg(NO3)2 + Ca(OH)2 = Ca(NO3)2 + Hg(OH)2 =>
Hg(NO3)2 + Ca(OH)2 = Ca(NO3)2 + Hg(OH)2
CaCo3 + HCl = CaCl2 + H20 + Co2 =>
10 CaCo3 + 20 HCl = 10 CaCl2 + H20 + 15 Co2
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
FeCl3 + KI = KCl + FeCl2 + I2 =>
2 FeCl3 + 2 KI = 2 KCl + 2 FeCl2 + I2
P4 + KOH + H2O = KH2PO2 + PH3 =>
P4 + 3 KOH + 3 H2O = 3 KH2PO2 + PH3
NaHCO3 = Na2O + CO2 + H2O =>
2 NaHCO3 = Na2O + 2 CO2 + H2O
C13H10O + C6H5CH3 = C13H10 + CH4O2 =>
34 C13H10O + 21 C6H5CH3 = 44 C13H10 + 17 CH4O2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
NaHCO3(s) = Na2O(s) + CO2(g) + H2O(l) =>
2 NaHCO3(s) = Na2O(s) + 2 CO2(g) + H2O(l)
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
Al2O3(s) + NaOH(l) + HF(g) = Na3AlF6 + H2O(g) =>
Al2O3(s) + 6 NaOH(l) + 12 HF(g) = 2 Na3AlF6 + 9 H2O(g)
NaBr + Cl2 = NaCl + Br2 =>
2 NaBr + Cl2 = 2 NaCl + Br2
Al2O3 + NaOH(l) + HF(g) = Na3AlF6 + H2O(g) =>
Al2O3 + 6 NaOH(l) + 12 HF(g) = 2 Na3AlF6 + 9 H2O(g)
Na2WO42H2O + HCl = H2WO42H2O + NaCl =>
Na2WO42H2O + 2 HCl = H2WO42H2O + 2 NaCl
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Na2WO42H2O + HCl = H2WO42H2O + NaCl =>
Na2WO42H2O + 2 HCl = H2WO42H2O + 2 NaCl
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
Na2WO42H2O + HCl = H2WO42H2O + NaCl =>
Na2WO42H2O + 2 HCl = H2WO42H2O + 2 NaCl
Na2WO4H2O + HCl = H2WO4H2O + NaCl =>
Na2WO4H2O + 2 HCl = H2WO4H2O + 2 NaCl
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Al2(CO3)3(s) = Al2O3(s) + CO2(g) =>
Al2(CO3)3(s) = Al2O3(s) + 3 CO2(g)
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
H2WO4 = H2WO4 =>
H2WO4 = H2WO4
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
Na2WO4H2O + H3PO4 = H3PW12O40 + NaOH =>
12 Na2WO4H2O + H3PO4 = H3PW12O40 + 24 NaOH
S + O2 = SO2 =>
S + O2 = SO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HNO3 + Al(OH)3 = H2O + Al(NO3)3 =>
3 HNO3 + Al(OH)3 = 3 H2O + Al(NO3)3
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Al + O = AlO3 =>
Al + 3 O = AlO3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
S + O2 = SO2 =>
S + O2 = SO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
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