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4 K + O2 = 2 K2O
Na2OH + MgCl2 = NaCl + MgOH =>
Na2OH + MgCl2 = 2 NaCl + MgOH
Ca2S2O8H2O + H2O = H4O2CaSO4 =>
Ca2S2O8H2O + 3 H2O = 2 H4O2CaSO4
Cu + HNO3 = Cu(HNO3)2 = Cu(NO3) + H2 + NO2 =>
Cu + 2 HNO3 = Cu(HNO3)2
Sm2O3 + C = SmO + CO2 =>
2 Sm2O3 + C = 4 SmO + CO2
CO + H2 = CH4H2O =>
CO + 3 H2 = CH4H2O
AgNO3(aq) + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3(aq) + Na2SO4 = Ag2SO4 + 2 NaNO3
H2SO4 + Ca = CaSO + SO4 + H2O =>
3 H2SO4 + Ca = CaSO + 2 SO4 + 3 H2O
lead(ii)nitrate + sodiumiodide = lead(ii)iodide + sodiumNitrate =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
LiI(aq) + BaS(aq) = LiS + BaI =>
LiI(aq) + BaS(aq) = LiS + BaI
HClO + CaCO3 = Ca(ClO)2 + CO2 + HOH =>
2 HClO + CaCO3 = Ca(ClO)2 + CO2 + HOH
H2O + HN3 = H3O + N2 =>
2 H2O + 2 HN3 = 2 H3O + 3 N2
O2 + Al3 = Al2O3 =>
9 O2 + 4 Al3 = 6 Al2O3
NH4{+} + CO3{-2} = NH4 + CO3 =>
2 NH4{+} + CO3{-2} = 2 NH4 + CO3
FeCl2 + KClO3 + HCl = FeCl3 + H2O + KCl =>
6 FeCl2 + KClO3 + 6 HCl = 6 FeCl3 + 3 H2O + KCl
H + Cl2 = (HCl)2 =>
2 H + Cl2 = (HCl)2
H2S + CrO3 = Cr + S + H2O =>
3 H2S + CrO3 = Cr + 3 S + 3 H2O
AlCl3 + KOH = Al(OH)3 + KCl =>
AlCl3 + 3 KOH = Al(OH)3 + 3 KCl
KAl(SO4)2*12H2O + KOH = Al(OH)3 + H2O + K8(SO4)4 =>
2 KAl(SO4)2*12H2O + 6 KOH = 2 Al(OH)3 + 24 H2O + K8(SO4)4
KCl + SiO2 = KSi + ClO2 =>
KCl + SiO2 = KSi + ClO2
HCl(aq) + MgSO4(aq) = MgCl(aq) + HSO4(aq) =>
HCl(aq) + MgSO4(aq) = MgCl(aq) + HSO4(aq)
NaOH + NHO3 = H2O + NaNO3 =>
NaOH + NHO3 = H2O + NaNO3
CH4 + K2Cr2O7 + HNO3 = C4H2O + KNO3 + Cr(NO3)3 + H2O =>
12 CH4 + 8 K2Cr2O7 + 64 HNO3 = 3 C4H2O + 16 KNO3 + 16 Cr(NO3)3 + 53 H2O
NH4Cl + NaOH = NH3 + H2O + NaCl = =>
NH4Cl + NaOH = NH3 + H2O + NaCl
H2SO4K = KSO3H2O =>
H2SO4K = KSO3H2O
Li + O + N = LiON =>
Li + O + N = LiON
C8H9OH + CuO = C8H8O + Cu + H2O =>
C8H9OH + CuO = C8H8O + Cu + H2O
C7H10 + O2 = CO2 + H2O =>
2 C7H10 + 19 O2 = 14 CO2 + 10 H2O
NiCl2Cu = CuCl2Ni =>
NiCl2Cu = CuCl2Ni
CuOH + HCl = CuClH2O =>
CuOH + HCl = CuClH2O
Pt(NO3)4 + Cu2SO4 = Pt(SO4)2 + CuNO3 =>
Pt(NO3)4 + 2 Cu2SO4 = Pt(SO4)2 + 4 CuNO3
Ni + NH3 = Ni(NH3)6 =>
Ni + 6 NH3 = Ni(NH3)6
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
Ca + H2SO4(conc) = CaSO4 + H2 =>
Ca + H2SO4(conc) = CaSO4 + H2
HC2H3O2 + Mg = MgC4H6O4 + H2 =>
2 HC2H3O2 + Mg = MgC4H6O4 + H2
Cs2O + O2 = Cs2O4 =>
2 Cs2O + 3 O2 = 2 Cs2O4
Mn(OH)2 + O2 + OH = Mn(OH)3O2 =>
Mn(OH)2 + O2 + OH = Mn(OH)3O2
(CH3)3CCl + H2O = Cl{-} + (CH3)3COH + H3O{+} =>
(CH3)3CCl + 2 H2O = Cl{-} + (CH3)3COH + H3O{+}
C6H5NH3 + H2O = C6H5NH4 + OH =>
C6H5NH3 + H2O = C6H5NH4 + OH
NH4OH + HF = H2O + NH4F =>
NH4OH + HF = H2O + NH4F
C2H4O2 + NaHCO3 = C2H3NaCO3 + H2O + CO2 =>
5 C2H4O2 + 4 NaHCO3 = 4 C2H3NaCO3 + 6 H2O + 2 CO2
CH3CH2CO2H = (CH3CH2CO)2O + H2O =>
2 CH3CH2CO2H = (CH3CH2CO)2O + H2O
MnCO3 + H3PO4 = Mn3(PO4)2 + H2O + CO2 =>
3 MnCO3 + 2 H3PO4 = Mn3(PO4)2 + 3 H2O + 3 CO2
NaCl + Ag3N = AgCl + Na3N =>
3 NaCl + Ag3N = 3 AgCl + Na3N
NH3OH + H2SO4 = (NH3)2SO4 + H2O =>
2 NH3OH + H2SO4 = (NH3)2SO4 + 2 H2O
(NH4)2[Co(NCS)4] + H2O = [Co(H2O)6](NCS)2 + NH4NSC =>
(NH4)2[Co(NCS)4] + 6 H2O = [Co(H2O)6](NCS)2 + 2 NH4NSC
K3[Cr(OH)6] = KOH + Cr(OH)3 =>
K3[Cr(OH)6] = 3 KOH + Cr(OH)3
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
Fe(OH)2 + H2S = (FeOH)2S + H2O =>
2 Fe(OH)2 + H2S = (FeOH)2S + 2 H2O
lithiumsulfate + sodium = sodiumsulfate + lithium =>
Li2SO4 + 2 Na = Na2SO4 + 2 Li
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