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3 Pb(s) + 2 O2 = Pb3O4(s)
H2S + CuO = CuS + H2O =>
H2S + CuO = CuS + H2O
Ca3(PO4)2 + HOH = Ca(OH)2 + H3(PO4) =>
Ca3(PO4)2 + 6 HOH = 3 Ca(OH)2 + 2 H3(PO4)
O2 + KBr = Br2 + K2O =>
O2 + 4 KBr = 2 Br2 + 2 K2O
Ca(OH)2 + C2H2 = CaC2 + H2O =>
Ca(OH)2 + C2H2 = CaC2 + 2 H2O
BaSO3 + Cl2 + H2O = HCl + BaSO4 =>
BaSO3 + Cl2 + H2O = 2 HCl + BaSO4
Bi(NO3)3 + NaBr + H2O = BiOBr + NaNO3 + HNO3 =>
Bi(NO3)3 + NaBr + H2O = BiOBr + NaNO3 + 2 HNO3
NH3 + H2PtCl6 = (NH4)2PtCl6 =>
2 NH3 + H2PtCl6 = (NH4)2PtCl6
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C3H4 + [Cu(NH3)2]Cl = C3H3Cu + NH4Cl + NH3 =>
C3H4 + [Cu(NH3)2]Cl = C3H3Cu + NH4Cl + NH3
R + W2 = R3W2 =>
3 R + W2 = R3W2
Mg + FeCl2 = Fe + MgCl2 =>
Mg + FeCl2 = Fe + MgCl2
NaBrO3 + NaBr + HCl = Br2 + H2O + NaCl =>
NaBrO3 + 5 NaBr + 6 HCl = 3 Br2 + 3 H2O + 6 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HNO3PbO = PbHNO4 =>
HNO3PbO = PbHNO4
NaHS = H2S + Na2S =>
2 NaHS = H2S + Na2S
O7 = O1 =>
O7 = 7 O1
FeCl3 + Cl2 = FeCl4 =>
2 FeCl3 + Cl2 = 2 FeCl4
Mg2 + ZnSO4 = Mg2SO4 + Zn =>
Mg2 + ZnSO4 = Mg2SO4 + Zn
Nb + Pd + S = Nb2PdS6 =>
2 Nb + Pd + 6 S = Nb2PdS6
HOCl = Cl + OH =>
HOCl = Cl + OH
Ca3(PO4)3 + H2SO4 = CaH4(PO4)3 + CaSO4 =>
Ca3(PO4)3 + 2 H2SO4 = CaH4(PO4)3 + 2 CaSO4
Cl2 + Br2 + KOH = KBrO2 + KCl + H2O =>
3 Cl2 + Br2 + 8 KOH = 2 KBrO2 + 6 KCl + 4 H2O
KMnO4 + (COOH)2 + HCl = CO2 + MnCl + KCl + H2O =>
KMnO4 + 3(COOH)2 + 2 HCl = 6 CO2 + MnCl + KCl + 4 H2O
N2O5 + HClO4 = NO2ClO4 + HNO3 =>
N2O5 + HClO4 = NO2ClO4 + HNO3
Zn + NaOH = ZnNa2 + ZnO + H2 =>
3 Zn + 2 NaOH = ZnNa2 + 2 ZnO + H2
K2(Cr2O7) + H2SO4 + KI = K2(SO4) + Cr(SO4)2 + I + H2O =>
K2(Cr2O7) + 7 H2SO4 + 4 KI = 3 K2(SO4) + 2 Cr(SO4)2 + 4 I + 7 H2O
KNO3 + KI + H2SO4 = I2 + NO2 + K2SO4 + H2O =>
2 KNO3 + 2 KI + 2 H2SO4 = I2 + 2 NO2 + 2 K2SO4 + 2 H2O
Ag(OH)2 + HBr = H2O + AgBr2 =>
Ag(OH)2 + 2 HBr = 2 H2O + AgBr2
NaC + AgNO3 = NaNO3 + AgC =>
NaC + AgNO3 = NaNO3 + AgC
KHCO3(s) = K2CO3H2OCO2 =>
2 KHCO3(s) = K2CO3H2OCO2
AgClO3 + K2S = Ag2S + KClO3 =>
2 AgClO3 + K2S = Ag2S + 2 KClO3
SO2Fe(OH)2 = FeSO3H2O =>
SO2Fe(OH)2 = FeSO3H2O
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
CaO = Ca + O2 =>
2 CaO = 2 Ca + O2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
HgNO3 + Na2SO4 = Hg2SO4 + NaNO3 =>
2 HgNO3 + Na2SO4 = Hg2SO4 + 2 NaNO3
CH3OH + CrO7{2-} + H{+} = CO2 + Cr{3+} + H2O =>
3 CH3OH + 2 CrO7{2-} + 10 H{+} = 3 CO2 + 2 Cr{3+} + 11 H2O
C3H6 + Cl2 = C3H5Cl + HCl =>
C3H6 + Cl2 = C3H5Cl + HCl
GaCl3 + Ga = GaCl =>
GaCl3 + 2 Ga = 3 GaCl
Ca(OH)2 + HSO4 = Ca(HSO4)2 + OH =>
Ca(OH)2 + 2 HSO4 = Ca(HSO4)2 + 2 OH
SO2Ba(OH)2 = H2OBaSO3 =>
SO2Ba(OH)2 = H2OBaSO3
Bariumnitrate + CrK2O4 = bariumchromate + potassiumnitrate =>
Ba(NO3)2 + CrK2O4 = BaCrO4 + 2 KNO3
TiCl5 + Mg = Ti + MgCl =>
TiCl5 + 5 Mg = Ti + 5 MgCl
Fe + Cl = FeCl3 =>
Fe + 3 Cl = FeCl3
ZnSO4 + O = ZnO + SO4 =>
ZnSO4 + O = ZnO + SO4
FeO3 + C = Fe2O3 + CO2 =>
4 FeO3 + 3 C = 2 Fe2O3 + 3 CO2
KNO3 + KI + H2SO4 = I2 + NO2 + K2SO4 + H2O =>
2 KNO3 + 2 KI + 2 H2SO4 = I2 + 2 NO2 + 2 K2SO4 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2SO4 + KOH = K2SO4 + Na(OH) =>
Na2SO4 + 2 KOH = K2SO4 + 2 Na(OH)
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