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Cr2O3 + KClO3 + 4 KOH = 2 K2CrO4 + 2 H2O + KCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CaO + K2SO4 = CaSO4 + K2O =>
CaO + K2SO4 = CaSO4 + K2O
Fe(NO3)3 + Ca(OH)2 = Ca(NO3)2 + Fe(OH)3 =>
2 Fe(NO3)3 + 3 Ca(OH)2 = 3 Ca(NO3)2 + 2 Fe(OH)3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C3H4 + H2O = C3H6O =>
C3H4 + H2O = C3H6O
C5H12O + O2 = CO2 + H2O =>
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O
Fe(C2O4)3 = FeC2O4 + CO2 =>
Fe(C2O4)3 = FeC2O4 + 4 CO2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Li3N + H2O = NH3 + LiOH =>
Li3N + 3 H2O = NH3 + 3 LiOH
MgSo4 + NaOh = Mg(Oh)2 + Na2So4 =>
MgSo4 + 2 NaOh = Mg(Oh)2 + Na2So4
Ch3OH + Na = Ch3ONa + H2 =>
2 Ch3OH + 2 Na = 2 Ch3ONa + H2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
H3O + CaCO3 = H2O + Ca + CO2 =>
2 H3O + CaCO3 = 3 H2O + Ca + CO2
Ch3OH + Na = Ch3ONa + H2 =>
2 Ch3OH + 2 Na = 2 Ch3ONa + H2
F2 + Ca = CaF2 =>
F2 + Ca = CaF2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Na(s) + H2O(l) = NaO(aq) + H2(g) =>
Na(s) + H2O(l) = NaO(aq) + H2(g)
Fe(s) + S(l) = Fe2S3(s) =>
2 Fe(s) + 3 S(l) = Fe2S3(s)
H2SO4 + NaHCO3 = H2O + Na2SO4 + CO2 =>
H2SO4 + 2 NaHCO3 = 2 H2O + Na2SO4 + 2 CO2
C6H6 + O2 = H2O + CO2 =>
2 C6H6 + 15 O2 = 6 H2O + 12 CO2
Fe(s) + S(l) = Fe2S3(s) =>
2 Fe(s) + 3 S(l) = Fe2S3(s)
H2O2 + H2S = H2SO4 + H2O =>
4 H2O2 + H2S = H2SO4 + 4 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
CH4O + Na = CH2ONa + H2 =>
CH4O + Na = CH2ONa + H2
Na + FeCl2 = NaCl + Fe =>
2 Na + FeCl2 = 2 NaCl + Fe
HClO3 + NaOH = NaClO3 + H2O =>
HClO3 + NaOH = NaClO3 + H2O
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
C3H8O + O2 = CO2 + H20 =>
10 C3H8O + 25 O2 = 30 CO2 + 4 H20
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Ni(OH)2 + Cl2 + NaOH = Ni(OH)3 + NaCl =>
2 Ni(OH)2 + Cl2 + 2 NaOH = 2 Ni(OH)3 + 2 NaCl
Na + FeBr3 = Na3FeBr3 =>
3 Na + FeBr3 = Na3FeBr3
HCl + NiCO3 = H2CO3 + NiCl2 =>
2 HCl + NiCO3 = H2CO3 + NiCl2
Na2CrO4 + H2SO4 = Na2Cr2O7 + Na2SO4 + H2O =>
2 Na2CrO4 + H2SO4 = Na2Cr2O7 + Na2SO4 + H2O
K + CuBr2 = KBr + Cu =>
2 K + CuBr2 = 2 KBr + Cu
CuO + NH3 = Cu + N2 + H2O =>
3 CuO + 2 NH3 = 3 Cu + N2 + 3 H2O
C8H18 + O2 = CO2 + H20 =>
10 C8H18 + 80 O2 = 80 CO2 + 9 H20
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
CuS + HNO3 = CuNO3 + H2SO4 + NO2 + H2O =>
CuS + 8 HNO3 = CuNO3 + H2SO4 + 7 NO2 + 3 H2O
K2Cr2O7 + [H] + HCl = KCl + CrCl2 + H2O =>
K2Cr2O7 + 8[H] + 6 HCl = 2 KCl + 2 CrCl2 + 7 H2O
H2(g) + Cl2(g) = HCl(g) =>
H2(g) + Cl2(g) = 2 HCl(g)
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
K2Cr2O7 + Zn + HCl = KCl + CrCl2 + H2O + ZnCl2 =>
K2Cr2O7 + 4 Zn + 14 HCl = 2 KCl + 2 CrCl2 + 7 H2O + 4 ZnCl2
ZnS(s) + HCl(aq) = ZnCl2(aq) + H2S(g) =>
ZnS(s) + 2 HCl(aq) = ZnCl2(aq) + H2S(g)
Al + Fe3O4 = Fe + Al2O3 =>
8 Al + 3 Fe3O4 = 9 Fe + 4 Al2O3
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
Er(NO3)3 + Sr(NO3)2 + Fe(NO3)3*9H2O + C6H8O7 = Er2Sr8Fe12O19 + CO2 + N2 + H2O =>
18 Er(NO3)3 + 72 Sr(NO3)2 + 108 Fe(NO3)3*9H2O + 155 C6H8O7 = 9 Er2Sr8Fe12O19 + 930 CO2 + 261 N2 + 1592 H2O
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
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