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8 NaNO2 + Na2S + 4 H2SO4 = 5 Na2SO4 + 8 NO + 4 H2O
HFeO2 + HCl = FeCl3 + H2O =>
HFeO2 + 3 HCl = FeCl3 + 2 H2O
AI2O3 + CaCO3 = AI2(CO3)3 + CaO =>
AI2O3 + 3 CaCO3 = AI2(CO3)3 + 3 CaO
MgCl2 + NaOH = Mg(OH)2 + NaCl(classification) =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl(classification)
NaClO = NaCl + O2 =>
2 NaClO = 2 NaCl + O2
Bi2O2 + C = Bi + CO =>
Bi2O2 + 2 C = 2 Bi + 2 CO
PbO2 + Sb + OH{-} = PbO + SbO2{-} + H2O =>
3 PbO2 + 2 Sb + 2 OH{-} = 3 PbO + 2 SbO2{-} + H2O
Na2CO3(aq) + CACl2(aq) = CACO3(aq) + NaCl(aq) =>
Na2CO3(aq) + CACl2(aq) = CACO3(aq) + 2 NaCl(aq)
NaC2H3O2 + Cu(NO3)2 = NaNO3 + Cu(C2H3O2)2 =>
2 NaC2H3O2 + Cu(NO3)2 = 2 NaNO3 + Cu(C2H3O2)2
H2SeO3 = H2SeO4 + H2Se =>
4 H2SeO3 = 3 H2SeO4 + H2Se
(FeS)2 + O2 = Fe2O3 + SO2 =>
2(FeS)2 + 7 O2 = 2 Fe2O3 + 4 SO2
(NPCl2)3 + KOC6H4NO2 = (NP(OC6H4NO2)2)3 + KCl =>
(NPCl2)3 + 6 KOC6H4NO2 = (NP(OC6H4NO2)2)3 + 6 KCl
C2H2 + [Ag(NH3)2]OH = C2Ag2 + H2O + NH3 =>
C2H2 + 2[Ag(NH3)2]OH = C2Ag2 + 2 H2O + 4 NH3
Cu2O + SCu2 = Cu + SO2 =>
2 Cu2O + SCu2 = 6 Cu + SO2
Co(OH)2 + HClO4 = Co(ClO4)2 + H2O =>
Co(OH)2 + 2 HClO4 = Co(ClO4)2 + 2 H2O
K2S2O8 + H2O = KHSO4 + H2O2 =>
K2S2O8 + 2 H2O = 2 KHSO4 + H2O2
Al2O3 + HCl + H2O = AlCl3*6H2O =>
Al2O3 + 6 HCl + 9 H2O = 2 AlCl3*6H2O
C2H2O2 + BaOH2 = BaCHO + H2O =>
C2H2O2 + 2 BaOH2 = 2 BaCHO + 2 H2O
C13H10O + NaBH4 + C2H6O = BH3 + C13H12O + NaOC2H5 =>
C13H10O + NaBH4 + C2H6O = BH3 + C13H12O + NaOC2H5
Al2O3 + HCl + H2O = [Al(H2O)6]Cl3 =>
Al2O3 + 6 HCl + 9 H2O = 2[Al(H2O)6]Cl3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Al2O3 + HCl + H2O = Al2(OH)5Cl =>
Al2O3 + HCl + 2 H2O = Al2(OH)5Cl
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
NaBr + H2SO4 + MnO2 = MnSO4 + NaSO4 + H2O + Br2 =>
2 NaBr + 4 H2SO4 + 2 MnO2 = 2 MnSO4 + 2 NaSO4 + 4 H2O + Br2
Zn3(PO4)2 + NaOH = Na2[Zn(OH)4] + Na3PO4 =>
Zn3(PO4)2 + 12 NaOH = 3 Na2[Zn(OH)4] + 2 Na3PO4
Cr2O3 + H2O2 + KOH = K2CrO4 + H2O =>
Cr2O3 + 3 H2O2 + 4 KOH = 2 K2CrO4 + 5 H2O
WO3 + HCl = WOCl4 + H2O =>
WO3 + 4 HCl = WOCl4 + 2 H2O
FeBr2 + H2O = HBr + Fe(OH)2 =>
FeBr2 + 2 H2O = 2 HBr + Fe(OH)2
Mg(NO3)2 + Na(OH) = NaNO3(s) + Mg(OH)2(ac) =>
Mg(NO3)2 + 2 Na(OH) = 2 NaNO3(s) + Mg(OH)2(ac)
I2O7 + NaOH = NaIO4 + H2O =>
I2O7 + 2 NaOH = 2 NaIO4 + H2O
KMnO4 + NaH2PO4 = NaMnO4 + KH2PO4 =>
KMnO4 + NaH2PO4 = NaMnO4 + KH2PO4
HCl + WO3 = Cl + HWO3 =>
HCl + WO3 = Cl + HWO3
NH3 + Cl2 = NH4Cl + N2 =>
8 NH3 + 3 Cl2 = 6 NH4Cl + N2
Cl2 + HOH = HCl + HClO =>
Cl2 + HOH = HCl + HClO
CoSO4 + CuCl2 = Cu3(SO4)2 + CoCl3 =>
2 CoSO4 + 3 CuCl2 = Cu3(SO4)2 + 2 CoCl3
Al(ClO3)3 = AlCl3 + O2 =>
2 Al(ClO3)3 = 2 AlCl3 + 9 O2
HCl + Mg = Cl + HMg =>
HCl + Mg = Cl + HMg
WO3 + HCl = WCl6 + H2O =>
WO3 + 6 HCl = WCl6 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
NaOH + P + H2O = PH3 + NaH2PO2 =>
3 NaOH + 4 P + 3 H2O = PH3 + 3 NaH2PO2
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
IO3 + Re = ReO4 + I =>
4 IO3 + 3 Re = 3 ReO4 + 4 I
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Ti + H2 = TiH3 =>
2 Ti + 3 H2 = 2 TiH3
AgNO3(aq) + Na2S = Ag2S(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2S = Ag2S(s) + 2 NaNO3(aq)
CrBr3 + Na2SO3 = CrSO3 + Na2Br3 =>
CrBr3 + Na2SO3 = CrSO3 + Na2Br3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C5H10 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + C4H8O2 =>
4 C5H10 + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 6 H2O + 5 C4H8O2
FeBr2 + H2O = HBr + Fe(OH)2 =>
FeBr2 + 2 H2O = 2 HBr + Fe(OH)2
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