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K2SO4 + 2 Na = Na2SO4 + 2 K
Al(HCO3)3 + HNO2 = Al(NO2)3 + CO2 + H2O =>
Al(HCO3)3 + 3 HNO2 = Al(NO2)3 + 3 CO2 + 3 H2O
BaCl2(aq) + H2SO4(aq) = BaSO4(aq) + HCl(aq) =>
BaCl2(aq) + H2SO4(aq) = BaSO4(aq) + 2 HCl(aq)
CH3COOH + Na2CO3 = H2O + CO2 + CH3COONa =>
2 CH3COOH + Na2CO3 = H2O + CO2 + 2 CH3COONa
Co(NO3)2 + Na2C2O4 = CoC2O4 + Na(NO3) =>
Co(NO3)2 + Na2C2O4 = CoC2O4 + 2 Na(NO3)
C10H16 + O2 = CO + H2O =>
C10H16 + 9 O2 = 10 CO + 8 H2O
Zn(OH)2(s) + H2SO4(ac) = ZnSO4(ac) + H2O(s) =>
Zn(OH)2(s) + H2SO4(ac) = ZnSO4(ac) + 2 H2O(s)
No2O3 + NaNO3 = No(NO3)3 + Na2O =>
No2O3 + 6 NaNO3 = 2 No(NO3)3 + 3 Na2O
AgNO2 + NaCl = NaNO2 + AgCl =>
AgNO2 + NaCl = NaNO2 + AgCl
C57H110O6 + NaOH = C3H8O3 + NaC18H35O2 =>
C57H110O6 + 3 NaOH = C3H8O3 + 3 NaC18H35O2
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
MnO4{-} + C2O4{2-} + H2O = MnO2 + CO3{2-} + H{+} =>
2 MnO4{-} + 3 C2O4{2-} + 2 H2O = 2 MnO2 + 6 CO3{2-} + 4 H{+}
AlBr3(aq) + Cl2(g) = AlCl3(aq) + Br2 =>
2 AlBr3(aq) + 3 Cl2(g) = 2 AlCl3(aq) + 3 Br2
NaHCO3 + CH3COCH = CO2 + H2O + NaC2H3O2 =>
7 NaHCO3 + 4 CH3COCH = 5 CO2 + H2O + 7 NaC2H3O2
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3(classification) =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3(classification)
Sn + Pb(CH3COO)2 = Sn(CH3COO)2 + Pb =>
Sn + Pb(CH3COO)2 = Sn(CH3COO)2 + Pb
HF(aq) + NaOH(aq) = H2O + NaF(aq) =>
HF(aq) + NaOH(aq) = H2O + NaF(aq)
Na2O + HClO = NaHCl + O2 =>
2 Na2O + 4 HClO = 4 NaHCl + 3 O2
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
Cu(CH3COO)2 + NaOH = Cu(OH)2 + CH3COONa =>
Cu(CH3COO)2 + 2 NaOH = Cu(OH)2 + 2 CH3COONa
Pb{2+}(aq) + CrO4{2-}(aq) = PbCrO4 =>
Pb{2+}(aq) + CrO4{2-}(aq) = PbCrO4
BiS2 + O2 = Bi2O4 + SO2 =>
2 BiS2 + 6 O2 = Bi2O4 + 4 SO2
H2O + FeCl3 = Fe(OH)3 + HCl =>
3 H2O + FeCl3 = Fe(OH)3 + 3 HCl
NaOH + MnSO4 + H2O2 = MnO(OH)2 + H2O + Na2SO4 =>
2 NaOH + MnSO4 + H2O2 = MnO(OH)2 + H2O + Na2SO4
MgSO4 + Na7CO3 = MgCO3 + Na7SO4 =>
MgSO4 + Na7CO3 = MgCO3 + Na7SO4
CH3COOH + H2O2 = CH3CO2OH + H2O =>
CH3COOH + H2O2 = CH3CO2OH + H2O
Fe + (AgNO3)2 = Fe(NO3) + Ag =>
2 Fe + (AgNO3)2 = 2 Fe(NO3) + 2 Ag
C2H5OH + HOSO3 = CO2 + SO2 + H2O =>
C2H5OH + 4 HOSO3 = 2 CO2 + 4 SO2 + 5 H2O
Al2O3 + K2CO3 = KAlO2 + CO2 =>
Al2O3 + K2CO3 = 2 KAlO2 + CO2
Cr(OH)3 + KOH + Br2 = KCrO4 + KBr + H2O =>
Cr(OH)3 + 5 KOH + 2 Br2 = KCrO4 + 4 KBr + 4 H2O
Zn2 + H2 = ZnH =>
Zn2 + H2 = 2 ZnH
Al2O3 + H2O = Al3OH + OH =>
3 Al2O3 + 9 H2O = 2 Al3OH + 16 OH
P + NH4ClO4 = H3PO4 + N2 + Cl2 + H2O =>
8 P + 10 NH4ClO4 = 8 H3PO4 + 5 N2 + 5 Cl2 + 8 H2O
NaHC03 + CH3COOH(aq) = CH3COONa(aq) + H20(l) + C02(g) =>
10 NaHC03 + 10 CH3COOH(aq) = 10 CH3COONa(aq) + H20(l) + 15 C02(g)
CuCl2 + NH4PO4 = Cu(PO4)2 + NH4Cl =>
CuCl2 + 2 NH4PO4 = Cu(PO4)2 + 2 NH4Cl
C7H14O6N3(s) + O2(g) = CO2(g) + H2O(g) + NH3(g) =>
4 C7H14O6N3(s) + 21 O2(g) = 28 CO2(g) + 10 H2O(g) + 12 NH3(g)
S + OH{-} = S2{-} + S2O2{-} + H{+} =>
8 S + 2 OH{-} = 3 S2{-} + S2O2{-} + 2 H{+}
Ca(NO3)2 + Fe3(PO4)2 = Ca3(PO4)2 + Fe(NO3)2 =>
3 Ca(NO3)2 + Fe3(PO4)2 = Ca3(PO4)2 + 3 Fe(NO3)2
PbS + O3 = PbSO4 + O2 =>
PbS + 4 O3 = PbSO4 + 4 O2
NO + KOH = KNO2 + N2O + H2O =>
4 NO + 2 KOH = 2 KNO2 + N2O + H2O
Na[Al(OH)4] + HNO3 = Al(OH)3 + NaNO3 + H2O =>
Na[Al(OH)4] + HNO3 = Al(OH)3 + NaNO3 + H2O
MnSO4 + NaOH + O2 = MnO2 + H2O + Na2SO4 =>
2 MnSO4 + 4 NaOH + O2 = 2 MnO2 + 2 H2O + 2 Na2SO4
P4O6 + H2O = H3PO4 + PO =>
3 P4O6 + 6 H2O = 4 H3PO4 + 8 PO
C4H10(C4H10)(l) + O(g) = CO2(g) + H2O(l) =>
C4H10(C4H10)(l) + 26 O(g) = 8 CO2(g) + 10 H2O(l)
Mg + Ca(NO3)2 = Ca + MgNO3 =>
2 Mg + Ca(NO3)2 = Ca + 2 MgNO3
Al + MnCl2 = AlCl3 + Mn =>
2 Al + 3 MnCl2 = 2 AlCl3 + 3 Mn
Ca(NO3)2 + Ir3(PO4)4 = Ir(NO3)4 + Ca3(PO4)2 =>
6 Ca(NO3)2 + Ir3(PO4)4 = 3 Ir(NO3)4 + 2 Ca3(PO4)2
CoCl2 + HCl = H2[CoCl4] =>
CoCl2 + 2 HCl = H2[CoCl4]
Cs(s) + P4(s) = Cs3P4 =>
3 Cs(s) + P4(s) = Cs3P4
H3Po4 + Cs(OH)2 = Cs3(Po4)2 + H2O =>
2 H3Po4 + 3 Cs(OH)2 = Cs3(Po4)2 + 6 H2O
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