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2 HCOOH + Mg = (HCOO)2Mg + H2
BF3 + H2O = HF + H3BO3 =>
BF3 + 3 H2O = 3 HF + H3BO3
NaClO3 + H2SO4 + K2C2O4 = CO2 + ClO2 + K2SO4 + Na2SO4 + H2O =>
2 NaClO3 + 2 H2SO4 + K2C2O4 = 2 CO2 + 2 ClO2 + K2SO4 + Na2SO4 + 2 H2O
Cu(s) + HNO3 = Cu(NO3)2 + NO2(g) + H2O =>
Cu(s) + 4 HNO3 = Cu(NO3)2 + 2 NO2(g) + 2 H2O
Zn(s) + NaOH(l) + H2O(l) = Na2Zn(OH)4(ac) + H2(g) =>
Zn(s) + 2 NaOH(l) + 2 H2O(l) = Na2Zn(OH)4(ac) + H2(g)
FeSO4 + NaOH + H2O2 = FeO2 + H2O + Na2SO4 =>
FeSO4 + 2 NaOH + H2O2 = FeO2 + 2 H2O + Na2SO4
(NH4)NO3 + NaOH = Na(NO3) + NH3 + H2O =>
(NH4)NO3 + NaOH = Na(NO3) + NH3 + H2O
PI3(s) + H2O(l) = H3PO3(aq) + HI(aq) =>
PI3(s) + 3 H2O(l) = H3PO3(aq) + 3 HI(aq)
Ag(NO3) + KSCN = Ag(SCN) + KNO3 =>
Ag(NO3) + KSCN = Ag(SCN) + KNO3
Al(OH)3 = (Al)2(O)3 + H2O =>
2 Al(OH)3 = (Al)2(O)3 + 3 H2O
C3H8O + Cr2O7{-2} + H{+} = C3H6O + Cr{+3} + H2O =>
3 C3H8O + Cr2O7{-2} + 8 H{+} = 3 C3H6O + 2 Cr{+3} + 7 H2O
RbOH(aq) + Al2(SO4)3(aq) = Rb2SO4(aq) + Al(OH)3(s) =>
6 RbOH(aq) + Al2(SO4)3(aq) = 3 Rb2SO4(aq) + 2 Al(OH)3(s)
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
CH3COOH = CH3COO{-} + H{+} =>
CH3COOH = CH3COO{-} + H{+}
Cr2(SO4)3 + NaOH + NaBiO3 = Na2CrO4 + Bi2O3 + Na2SO4 + H2O =>
2 Cr2(SO4)3 + 14 NaOH + 6 NaBiO3 = 4 Na2CrO4 + 3 Bi2O3 + 6 Na2SO4 + 7 H2O
CaOH + CH3COOH = Ca4H6CaO4 + H2O + CO2 =>
40 CaOH + 3 CH3COOH = 8 Ca4H6CaO4 + 2 H2O + 6 CO2
MgCl2(aq) + KOH(aq) = Mg(OH)2(aq) + KCl(aq) =>
MgCl2(aq) + 2 KOH(aq) = Mg(OH)2(aq) + 2 KCl(aq)
HNo3 + Mg(OH)2 = H2O + Mg(No3)2 =>
2 HNo3 + Mg(OH)2 = 2 H2O + Mg(No3)2
Al(OH)3 + RbOH = Rb[Al(OH)4] =>
Al(OH)3 + RbOH = Rb[Al(OH)4]
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2 =>
FeCl2 + Cu(OH)2 = CuCl2 + Fe(OH)2
H2O + AsO4 = AsH3 + OH =>
7 H2O + AsO4 = AsH3 + 11 OH
Al2O3 + CaO = Ca(AlO2)2 =>
Al2O3 + CaO = Ca(AlO2)2
X(NO3)2 + NaOH = X(OH)2 + NaNO3 =>
X(NO3)2 + 2 NaOH = X(OH)2 + 2 NaNO3
K2S + KMnO4 + KOH = K2SO4 + K2MnO4 + H2O =>
K2S + 8 KMnO4 + 8 KOH = K2SO4 + 8 K2MnO4 + 4 H2O
Na3PO4(aq) + HCl(aq) = NaCl(aq) + H3PO4(aq) =>
Na3PO4(aq) + 3 HCl(aq) = 3 NaCl(aq) + H3PO4(aq)
MnO4{-} + HSO3{-} + OH{-} = MnO4{-2} + SO4{-2} + H2O =>
2 MnO4{-} + HSO3{-} + 3 OH{-} = 2 MnO4{-2} + SO4{-2} + 2 H2O
PBr5 = PBr3 + Br =>
PBr5 = PBr3 + 2 Br
LiBr + Co(SO3)2 = Li2(SO3) + CoBr4 =>
4 LiBr + Co(SO3)2 = 2 Li2(SO3) + CoBr4
AlF3 + O2 = Al2O3 + F2 =>
4 AlF3 + 3 O2 = 2 Al2O3 + 6 F2
Ag(s) + S = Ag2S(s) =>
2 Ag(s) + S = Ag2S(s)
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
KClO3 + H2SO4 = HClO3 + K2SO4 =>
2 KClO3 + H2SO4 = 2 HClO3 + K2SO4
H2O + Np = NpO2 + H3O =>
6 H2O + Np = NpO2 + 4 H3O
Ba(NO3)2 = BaO + N2 + O2 =>
2 Ba(NO3)2 = 2 BaO + 2 N2 + 5 O2
Cr2O3 + KClO3 + KOH = K2CrO3 + H2O + KCl =>
3 Cr2O3 + KClO3 + 12 KOH = 6 K2CrO3 + 6 H2O + KCl
Cu + O2 = CuO2 =>
Cu + O2 = CuO2
Al + Br = AlBr3 =>
Al + 3 Br = AlBr3
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
HNO3(aq) + NaCl(aq) = HCl(s) + NaNO3(aq) =>
HNO3(aq) + NaCl(aq) = HCl(s) + NaNO3(aq)
CH3COOH(aq) + Sr(OH)2(aq) = (CH3COO)2Sr(aq) + H2O(l) =>
2 CH3COOH(aq) + Sr(OH)2(aq) = (CH3COO)2Sr(aq) + 2 H2O(l)
AlCl3 + NaCl = Na(AlCl4) =>
AlCl3 + NaCl = Na(AlCl4)
Li2CO3 + Fe2O3 = LiFe5O8 + CO2 =>
Li2CO3 + 5 Fe2O3 = 2 LiFe5O8 + CO2
Co2 + S2 = CoS =>
Co2 + S2 = 2 CoS
NaCl + H2SO4 + MgO2 = Na2SO4 + MgSO4 + H2O + Cl2 =>
2 NaCl + 2 H2SO4 + MgO2 = Na2SO4 + MgSO4 + 2 H2O + Cl2
Al + KOH + H2O = KAlO2 + H2 =>
2 Al + 2 KOH + 2 H2O = 2 KAlO2 + 3 H2
Ni(s) + H2SO4(aq) = NiSO4 + H2 =>
Ni(s) + H2SO4(aq) = NiSO4 + H2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
NaCl{-} + Br2 = NaBr{-} + Cl2 =>
2 NaCl{-} + Br2 = 2 NaBr{-} + Cl2
Fe(s) + O2(g) = Fe2O3 =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3
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