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2 K + 2 H2O = 2 KOH + H2
KClO3 + Mg = KCl + MgO =>
KClO3 + 3 Mg = KCl + 3 MgO
Na2[Pb(OH)4] + HNO3 = Pb(OH)2 + H2O + NaNO3 =>
Na2[Pb(OH)4] + 2 HNO3 = Pb(OH)2 + 2 H2O + 2 NaNO3
Fe(C2H3O2)2 + (NH4)3PO4 = Fe3(PO4)2 + NH4C2H3O2 =>
3 Fe(C2H3O2)2 + 2(NH4)3PO4 = Fe3(PO4)2 + 6 NH4C2H3O2
C6H6 + F2 = C6H5F + HF =>
C6H6 + F2 = C6H5F + HF
ZnO2 + SO2 = ZnS + O2 =>
ZnO2 + SO2 = ZnS + 2 O2
CN{-} + H2O = HCN + OH{-} =>
CN{-} + H2O = HCN + OH{-}
HCHO + Cr2O7{-2} + H{+} = HCOOH + Cr{+3} + H2O =>
3 HCHO + Cr2O7{-2} + 8 H{+} = 3 HCOOH + 2 Cr{+3} + 4 H2O
Mg(NO3)2 + KCl = Mg2Cl2 + K(NO3)2 =>
2 Mg(NO3)2 + 2 KCl = Mg2Cl2 + 2 K(NO3)2
MgBr2(s) = Mg + Br =>
MgBr2(s) = Mg + 2 Br
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 = =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Li2S = Li + S =>
Li2S = 2 Li + S
CH3COONa + Na2S2O7 = Na2SO4 + (CH3CO)2O =>
2 CH3COONa + Na2S2O7 = 2 Na2SO4 + (CH3CO)2O
Mg + Sr(OH)2 = Mg(OH)2 + Sr =>
Mg + Sr(OH)2 = Mg(OH)2 + Sr
NH4HCO3 = NH3 + CO2 + H2O =>
NH4HCO3 = NH3 + CO2 + H2O
ZnBr2 + HNO3 = Zn(NO3)2 + HBr =>
ZnBr2 + 2 HNO3 = Zn(NO3)2 + 2 HBr
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Mg(NO3)2 + Al + NaOH + H2O = NH3 + [Al(OH)4]Na + MgO =>
3 Mg(NO3)2 + 16 Al + 16 NaOH + 33 H2O = 6 NH3 + 16[Al(OH)4]Na + 3 MgO
Hg(ClO3)2 = HgCl2 + O2 =>
Hg(ClO3)2 = HgCl2 + 3 O2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C3H8S + O2 = CO2 + H2O + SO3 =>
2 C3H8S + 13 O2 = 6 CO2 + 8 H2O + 2 SO3
Fe2O3 + CO = FeO + CO2 =>
Fe2O3 + CO = 2 FeO + CO2
NaCl + C6H12 = NaC6H12 + Cl =>
NaCl + C6H12 = NaC6H12 + Cl
Mg3N2(s) + H2O(l) = MgO(s) + NH3(g) =>
Mg3N2(s) + 3 H2O(l) = 3 MgO(s) + 2 NH3(g)
K4[Fe(CN)6] + KMnO4 = K2MnO4 + K3[Fe(CN)6] =>
K4[Fe(CN)6] + KMnO4 = K2MnO4 + K3[Fe(CN)6]
Na2Se + H2O = NaHSe + NaOH =>
Na2Se + H2O = NaHSe + NaOH
Co + H2SO4 + H2O = CoSO4*7H2O + H2 =>
Co + H2SO4 + 7 H2O = CoSO4*7H2O + H2
Ce{4+}(aq) + Al(s) = Ce{3+}(aq) + Al{3+} =>
3 Ce{4+}(aq) + Al(s) = 3 Ce{3+}(aq) + Al{3+}
Cu(CH3COO)2 + KI = CuI + KCH3COO + I2 =>
2 Cu(CH3COO)2 + 4 KI = 2 CuI + 4 KCH3COO + I2
C6H3(CH3)3 + KMnO4 + KOH = C6H3(COOK)3 + K2MnO4 + H2O =>
C6H3(CH3)3 + 18 KMnO4 + 21 KOH = C6H3(COOK)3 + 18 K2MnO4 + 15 H2O
Zn(NO3)2 + Na3(PO4) = Zn3(PO4)2 + NaNO3 =>
3 Zn(NO3)2 + 2 Na3(PO4) = Zn3(PO4)2 + 6 NaNO3
C6H10O4 + H2O = CH4 + CO2 =>
4 C6H10O4 + 6 H2O = 13 CH4 + 11 CO2
AlCl3 + K3Ni = AlNi + KCl =>
AlCl3 + K3Ni = AlNi + 3 KCl
Mg + H3O{+} = Mg{2}{+} + H2 + H2O =>
Mg + 2 H3O{+} = Mg{2}{+} + H2 + 2 H2O
MgCl2 = Mg4 + Cl2 =>
4 MgCl2 = Mg4 + 4 Cl2
Au + Na(CN) + O2 + H2O = NaAu(CN)2 + Na(OH) =>
4 Au + 8 Na(CN) + O2 + 2 H2O = 4 NaAu(CN)2 + 4 Na(OH)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
N2H6SO4 + KIO3 = N2 + H2O + K2SO4 + I2 + H2SO4 =>
5 N2H6SO4 + 4 KIO3 = 5 N2 + 12 H2O + 2 K2SO4 + 2 I2 + 3 H2SO4
H2SO3 + MnO2 = SO4{-2} + Mn{+2} + H2O =>
H2SO3 + MnO2 = SO4{-2} + Mn{+2} + H2O
Cu3O2 + H2 = Cu + H2O =>
Cu3O2 + 2 H2 = 3 Cu + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaOH + N = Na3N + OH =>
3 NaOH + N = Na3N + 3 OH
C12H26 + O2 = C + H2O =>
2 C12H26 + 13 O2 = 24 C + 26 H2O
Na3PO4 + CrCl3 = NaCl + CrPO4 =>
Na3PO4 + CrCl3 = 3 NaCl + CrPO4
CH + O2 = CO2 + H2O =>
4 CH + 5 O2 = 4 CO2 + 2 H2O
Ca{2+}(aq) + C2O4{2-} = CaC2O4 =>
Ca{2+}(aq) + C2O4{2-} = CaC2O4
Ag(s) + F2(g) = AgF3(s) =>
2 Ag(s) + 3 F2(g) = 2 AgF3(s)
C20H42 = C10H22 + C10H20 =>
C20H42 = C10H22 + C10H20
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
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