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K2CO3 = 2 K + CO3
Na2O + Pb3N2 = PbO + Na3N =>
3 Na2O + Pb3N2 = 3 PbO + 2 Na3N
Fe2O3 + CH4 = FeO + H2O + CO2 =>
4 Fe2O3 + CH4 = 8 FeO + 2 H2O + CO2
XNH2 + NaNO2 + HCl = XN2Cl + NaCl + H2O =>
XNH2 + NaNO2 + 2 HCl = XN2Cl + NaCl + 2 H2O
Na2SO4 + Pb(NO3)2 = Pb2(SO4)2 + NaNO3 =>
2 Na2SO4 + 2 Pb(NO3)2 = Pb2(SO4)2 + 4 NaNO3
CuCl2 + Al3 = Al2Cl3 + Cu2 =>
18 CuCl2 + 8 Al3 = 12 Al2Cl3 + 9 Cu2
CaC2 + CaO = Ca + CO =>
CaC2 + 2 CaO = 3 Ca + 2 CO
NaBr(s) + Cl(aq) = NaCl(aq) + Br(aq) =>
NaBr(s) + Cl(aq) = NaCl(aq) + Br(aq)
Cu3(PO4)2(s) + HCl(aq) = CuCl2(aq) + H3PO4 =>
Cu3(PO4)2(s) + 6 HCl(aq) = 3 CuCl2(aq) + 2 H3PO4
C4H6 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + C2H4O2 =>
5 C4H6 + 6 KMnO4 + 9 H2SO4 = 6 MnSO4 + 3 K2SO4 + 4 H2O + 10 C2H4O2
Na + Se = NaSe =>
Na + Se = NaSe
FeS + Fe2O3 = FeO + Fe2(SO4)3 =>
3 FeS + 13 Fe2O3 = 27 FeO + Fe2(SO4)3
LiAlH4 + C(NO2)4 = Al2O3 + LiO + CO2 + N2 + H2 =>
12 LiAlH4 + 5 C(NO2)4 = 6 Al2O3 + 12 LiO + 5 CO2 + 10 N2 + 24 H2
Cu2O + F2 = CuF + O2 =>
2 Cu2O + 2 F2 = 4 CuF + O2
Al2O3 + NaOH + H2O = Na[Al(OH)4] =>
Al2O3 + 2 NaOH + 3 H2O = 2 Na[Al(OH)4]
Cu(ClO3)2*H2O = Cu(ClO3)2 + H2O =>
Cu(ClO3)2*H2O = Cu(ClO3)2 + H2O
CO2S3 + O2 = CO2O3 + SO2 =>
2 CO2S3 + 9 O2 = 2 CO2O3 + 6 SO2
NH3 + H2O = NH4 + OH =>
NH3 + H2O = NH4 + OH
Fe(OH)3(g) = Fe2O3(s) + H2O(aq) =>
2 Fe(OH)3(g) = Fe2O3(s) + 3 H2O(aq)
MgO + H2SO4 = MgSO5 + H2 =>
MgO + H2SO4 = MgSO5 + H2
CdCl2 + Na2S = CdS(s) + NaCl =>
CdCl2 + Na2S = CdS(s) + 2 NaCl
C6H10 + KMnO4 + H2SO4 = C6H6O + K2SO4 + MnSO4 + H2O =>
5 C6H10 + 6 KMnO4 + 9 H2SO4 = 5 C6H6O + 3 K2SO4 + 6 MnSO4 + 19 H2O
PbO2 + (Sb) + (KOH) = PbO + (KSbO2) + (H20) =>
20 PbO2 + 20(Sb) + 20(KOH) = 20 PbO + 20(KSbO2) + (H20)
Cd(NO3)2 = CdO + NO2 + O2 =>
2 Cd(NO3)2 = 2 CdO + 4 NO2 + O2
Ca + HI = CaIH =>
Ca + HI = CaIH
Al(CH3COO)3 + ZnSO4 = Al2(SO4)3 + Zn(CH3COO)2 =>
2 Al(CH3COO)3 + 3 ZnSO4 = Al2(SO4)3 + 3 Zn(CH3COO)2
Bi{3+}(aq) + Fe{3+}(aq) + H2O = BiO3{1–} + Fe{2+} + H{+}(aq) =>
Bi{3+}(aq) + 4 Fe{3+}(aq) + 3 H2O = BiO3{1–} + 4 Fe{2+} + 6 H{+}(aq)
(NH4)3PMo12O40*6H2O + KI = (NH4)3PO4 + KIO + H2O + MoO2 =>
(NH4)3PMo12O40*6H2O + 12 KI = (NH4)3PO4 + 12 KIO + 6 H2O + 12 MoO2
Cu + NaCl = Cu(NaCl)2 =>
Cu + 2 NaCl = Cu(NaCl)2
Cu + NaHCO3 = CuCO3 + Na + H2 =>
2 Cu + 2 NaHCO3 = 2 CuCO3 + 2 Na + H2
Sr + HCl = SrCl2 + H2 =>
Sr + 2 HCl = SrCl2 + H2
Na3P + HCl = NaCl + H3P =>
Na3P + 3 HCl = 3 NaCl + H3P
NaOH + H6C4O6 = Na + H2O + H4C4O6 =>
2 NaOH + H6C4O6 = 2 Na + 2 H2O + H4C4O6
CH3COOH(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaCH3(aq) =>
CH3COOH(aq) + NaHCO3(s) = 2 CO2(g) + H2O(l) + NaCH3(aq)
OV(OCH(CH3)2)3 + H2O = V2O5 + HOCH(CH3)2 =>
2 OV(OCH(CH3)2)3 + 3 H2O = V2O5 + 6 HOCH(CH3)2
Cr(CH3COO)3 + CoI2 = CrI3 + Co(CH3COO)2 =>
2 Cr(CH3COO)3 + 3 CoI2 = 2 CrI3 + 3 Co(CH3COO)2
H2S + BrO2{-} + H{+} = S2 + Br2{-} + H2O =>
14 H2S + 8 BrO2{-} + 4 H{+} = 7 S2 + 4 Br2{-} + 16 H2O
(NH4)3Po4 + Ba(NO3)2 = Ba3(Po4)2 + NH4NO3 =>
2(NH4)3Po4 + 3 Ba(NO3)2 = Ba3(Po4)2 + 6 NH4NO3
H2O + NaCl + (NH4)2Fe(SO4)2 = NH4OH + Na2SO4 + HCl + Fe(OH)2 =>
4 H2O + 4 NaCl + (NH4)2Fe(SO4)2 = 2 NH4OH + 2 Na2SO4 + 4 HCl + Fe(OH)2
Cu(s) + Mg(NO3)2(aq) = Cu(NO3)(aq) + Mg(s) =>
2 Cu(s) + Mg(NO3)2(aq) = 2 Cu(NO3)(aq) + Mg(s)
NaHSO3 + NaCl = Na2SO3 + HCl =>
NaHSO3 + NaCl = Na2SO3 + HCl
Na2HPO4 + MgCl2 + NH4OH = MgNH4PO4 + NaCl + H2O =>
Na2HPO4 + MgCl2 + NH4OH = MgNH4PO4 + 2 NaCl + H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Be2C + H2O = CH4 + Be(OH)2 =>
Be2C + 4 H2O = CH4 + 2 Be(OH)2
Ca(OH)2 + MgSiO3 = CaSiO3 + Mg(OH)2 =>
Ca(OH)2 + MgSiO3 = CaSiO3 + Mg(OH)2
CrO + C = Cr + CO =>
CrO + C = Cr + CO
C6H30Cl3 + H2O2 = CO2 + H2O + Cl =>
C6H30Cl3 + 27 H2O2 = 6 CO2 + 42 H2O + 3 Cl
Cu(NO3)2 + HCl = CuCl2 + (NO3)2 + H2 =>
Cu(NO3)2 + 2 HCl = CuCl2 + (NO3)2 + H2
C4H40S(l) + O2(g) = CO2 + H2O + SO2 =>
C4H40S(l) + 15 O2(g) = 4 CO2 + 20 H2O + SO2
HN3 + H2S = S + NH3 =>
HN3 + 4 H2S = 4 S + 3 NH3
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