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2 HI + Zn = H2 + ZnI2
H2SeO4 + H2SO3 = Se + H2SO4 + H2O =>
H2SeO4 + 3 H2SO3 = Se + 3 H2SO4 + H2O
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
S + HClO3 = H2SO4 + ClO2 + H2O =>
S + 6 HClO3 = H2SO4 + 6 ClO2 + 2 H2O
Al + Zn2Cl = Al2Cl + Zn =>
2 Al + Zn2Cl = Al2Cl + 2 Zn
Ba + NaOH = Ba(OH)2 + Na =>
Ba + 2 NaOH = Ba(OH)2 + 2 Na
Na3[FeF6] + KOH = NaOH + KF + Fe(OH)3 =>
Na3[FeF6] + 6 KOH = 3 NaOH + 6 KF + Fe(OH)3
KOH + BaCl3 = KCl3 + BaOH =>
KOH + BaCl3 = KCl3 + BaOH
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
C8H10N4O2 + O2 = C7H8N4O2 + CO2 + H2O =>
2 C8H10N4O2 + 3 O2 = 2 C7H8N4O2 + 2 CO2 + 2 H2O
Mn2O3 + H = Mn3O4 + H2O =>
3 Mn2O3 + 2 H = 2 Mn3O4 + H2O
ZnO + Ba(NO3)2 = Zn(NO3)2 + BaO =>
ZnO + Ba(NO3)2 = Zn(NO3)2 + BaO
Fe3(PO4)2 + NaOH = Na3PO4 + Fe(OH)2 =>
Fe3(PO4)2 + 6 NaOH = 2 Na3PO4 + 3 Fe(OH)2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Ag(s) + LiCl(aq) = LiAg + Cl =>
Ag(s) + LiCl(aq) = LiAg + Cl
NaFO3 = NaF + O2 =>
2 NaFO3 = 2 NaF + 3 O2
Na + H2(SO4) = Na2(SO4) + H2 =>
2 Na + H2(SO4) = Na2(SO4) + H2
Ba(NO3)2(aq) + CaCl2(aq) = BaCl2 + Ca(NO3)2 =>
Ba(NO3)2(aq) + CaCl2(aq) = BaCl2 + Ca(NO3)2
NH3 + O2 = HNO3 + H2O =>
NH3 + 2 O2 = HNO3 + H2O
ZnF2 + Ca(oh)2 = Zn(oh)2 + CaF2 =>
2 ZnF2 + Ca(oh)2 = Zn(oh)2 + 2 CaF2
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
HCl + NaHCO3 = H2O + NaCl + CO2 =>
HCl + NaHCO3 = H2O + NaCl + CO2
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Pb(OH)2 + NH4OH = Pb(OH)3 + NH4 =>
Pb(OH)2 + NH4OH = Pb(OH)3 + NH4
(NH4)2Fe(SO4)2* + C2H2O4*2H2O = (NH4)2SO4 + CO2 + Fe + H2O + H2S =>
(NH4)2Fe(SO4)2* + 5 C2H2O4*2H2O = (NH4)2SO4 + 10 CO2 + Fe + 14 H2O + H2S
C9H18Na2O4 + H2O2 = CO2 + H2O + NaOH =>
C9H18Na2O4 + 24 H2O2 = 9 CO2 + 32 H2O + 2 NaOH
AgNO3(aq)NaCl = AgClNaNO3 =>
AgNO3(aq)NaCl = AgClNaNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
AgNO3 + KOH = Ag(OH) + K(NO3) =>
AgNO3 + KOH = Ag(OH) + K(NO3)
SnCl2 + Li3PO4 = Sn3(PO4)2 + LiCl =>
3 SnCl2 + 2 Li3PO4 = Sn3(PO4)2 + 6 LiCl
Na2SO3 + KBr = NaBr + K2SO3 =>
Na2SO3 + 2 KBr = 2 NaBr + K2SO3
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Mg(s)Zn(NO3)2(aq) = Mg(NO3)2(aq)Zn(s) =>
Mg(s)Zn(NO3)2(aq) = Mg(NO3)2(aq)Zn(s)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
SO3(g) + H2O(aq) = H2SO4 =>
SO3(g) + H2O(aq) = H2SO4
Fe2(SO3)3 + HBr = FeBr3 + H2O + SO2 =>
Fe2(SO3)3 + 6 HBr = 2 FeBr3 + 3 H2O + 3 SO2
(H2) + N2 = (NH3) =>
3(H2) + N2 = 2(NH3)
Br2O + H2O = HBrO =>
Br2O + H2O = 2 HBrO
Mg(NO3)2 + Fe(NO3)3 + C2H6N4O2 = MgFe2O4 + N2 + CO2 + H2O =>
Mg(NO3)2 + 2 Fe(NO3)3 + 4 C2H6N4O2 = MgFe2O4 + 12 N2 + 8 CO2 + 12 H2O
[Cr(OH)6]{3-} + H2O2 = CrO4{2-} + H2O + OH{-} =>
2[Cr(OH)6]{3-} + 3 H2O2 = 2 CrO4{2-} + 8 H2O + 2 OH{-}
Na2SO4 + KCl = Na2Cl + KSO4 =>
Na2SO4 + KCl = Na2Cl + KSO4
Na2S + C2H4O2 = H2S + Na(C2H3O2) =>
Na2S + 2 C2H4O2 = H2S + 2 Na(C2H3O2)
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Sr + H3BO3 = Sr3(BO3)2 + H2 =>
3 Sr + 2 H3BO3 = Sr3(BO3)2 + 3 H2
C3H8O + Sb2O3 = C3H6O + Sb + H2O =>
3 C3H8O + Sb2O3 = 3 C3H6O + 2 Sb + 3 H2O
Zink + sauerstoff = zinkoxid =>
2 Zn + O2 = 2 ZnO
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