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32 Fe + 48 H2SO4 = 16 Fe2(SO4)3 + 3 H32
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CuSO4 + N2H5Cl + NaOH = Cu2O + N2 + NaCl + Na2SO4 + H2O =>
4 CuSO4 + N2H5Cl + 9 NaOH = 2 Cu2O + N2 + NaCl + 4 Na2SO4 + 7 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
FeO3 + Al = AlO3 + Fe3 =>
3 FeO3 + 3 Al = 3 AlO3 + Fe3
CH3COOH + Ni = (CH3COO)2Ni + H2 =>
2 CH3COOH + Ni = (CH3COO)2Ni + H2
Ca2O2 + NaBr = CaBr + NaO =>
Ca2O2 + 2 NaBr = 2 CaBr + 2 NaO
AgCl + NO + H2O = Ag + [Cl]{-} + [NO3]{-} + [H]{+} =>
3 AgCl + NO + 2 H2O = 3 Ag + 3[Cl]{-} + [NO3]{-} + 4[H]{+}
Cr2(SO4)3 + Rb2(SO3) = Rb2(SO4) + Cr2(SO3)3 =>
Cr2(SO4)3 + 3 Rb2(SO3) = 3 Rb2(SO4) + Cr2(SO3)3
CaCO3(s) + HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l)
CH3COONa + AgNO3 = AgCH3COO + NaNO3 =>
CH3COONa + AgNO3 = AgCH3COO + NaNO3
AlCl3 + Pb(NO3)2 = Al2(NO3)6 + Pb3Cl6 =>
2 AlCl3 + 3 Pb(NO3)2 = Al2(NO3)6 + Pb3Cl6
CuO + CaCO3 = CaO + CuCO3 =>
CuO + CaCO3 = CaO + CuCO3
CH3(NO2) + O2 = (NO2)CO2 + H2O =>
4 CH3(NO2) + 7 O2 = 4(NO2)CO2 + 6 H2O
Cl + KI = KCl + I =>
Cl + KI = KCl + I
(NH4)3PO4 + MgBr2 = NH4Br + Mg3(PO4)2 =>
2(NH4)3PO4 + 3 MgBr2 = 6 NH4Br + Mg3(PO4)2
KNO3(s) = KNO2(aq) + O2(g) =>
2 KNO3(s) = 2 KNO2(aq) + O2(g)
HNO3 + CO2 = HNO2 + CO3 =>
HNO3 + CO2 = HNO2 + CO3
CH4 + SO3{-2} + H{+} = S2O3{-2} + CO2 + H2O =>
CH4 + 4 SO3{-2} + 4 H{+} = 2 S2O3{-2} + CO2 + 4 H2O
HAuCl4 + Na3C6H5O7 = H2 + Au + CO2 + NaC5H5O5 + NaCl =>
2 HAuCl4 + 4 Na3C6H5O7 = H2 + 2 Au + 4 CO2 + 4 NaC5H5O5 + 8 NaCl
MgCO3 + CH3COOH = CH3CO3 + MgCOOH =>
MgCO3 + CH3COOH = CH3CO3 + MgCOOH
MnO4{-}(aq) + S{-2}(aq) + H2O = MnO2 + S(s) + (OH{-}) =>
2 MnO4{-}(aq) + 3 S{-2}(aq) + 4 H2O = 2 MnO2 + 3 S(s) + 8(OH{-})
Ni + CuSO4 = Ni(SO4)2 + Cu =>
Ni + 2 CuSO4 = Ni(SO4)2 + 2 Cu
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Fe(SCN)6 + NH4F = FeF6 + NH4SCN =>
Fe(SCN)6 + 6 NH4F = FeF6 + 6 NH4SCN
Al + NH2 + H2O = Al(OH)3 + NH4 =>
2 Al + 3 NH2 + 6 H2O = 2 Al(OH)3 + 3 NH4
PBr3 = Br3 + P =>
PBr3 = Br3 + P
NaBr + Ca(OH)2 = Na(OH)2 + CaBr =>
NaBr + Ca(OH)2 = Na(OH)2 + CaBr
KMnO4 + H2C2O4 = K2CO3 + Mn02 + H2O + CO2 =>
2 KMnO4 + 7 H2C2O4 = K2CO3 + Mn02 + 7 H2O + 13 CO2
SO3 + HCl = H2SO3 + Cl =>
SO3 + 2 HCl = H2SO3 + 2 Cl
CuO + HBr = CuBr2 + H2O =>
CuO + 2 HBr = CuBr2 + H2O
Al(SO4) + BaCl2 = AlCl2 + Ba(SO4) =>
Al(SO4) + BaCl2 = AlCl2 + Ba(SO4)
KMnO4 + Al = AlO + Mn + K =>
KMnO4 + 4 Al = 4 AlO + Mn + K
CH3OH + HCOOH = CH3COOH + H2O =>
CH3OH + HCOOH = CH3COOH + H2O
Al2(SO4)3 + MgCl2 = AlCl + Mg(SO4)3 =>
Al2(SO4)3 + MgCl2 = 2 AlCl + Mg(SO4)3
NaOH + NaCl = NaClNaOH =>
NaOH + NaCl = NaClNaOH
Cr + H3O{+} = Cr{+3} + H2O + H2 =>
2 Cr + 6 H3O{+} = 2 Cr{+3} + 6 H2O + 3 H2
NaHCO3(aq) + H2SO4(aq) = Na2SO4 + CO2(g) + H2O(l) =>
2 NaHCO3(aq) + H2SO4(aq) = Na2SO4 + 2 CO2(g) + 2 H2O(l)
S2O8 + H2O = SO4{-} + H2O2 + H{+} =>
S2O8 + 2 H2O = 2 SO4{-} + H2O2 + 2 H{+}
Bi(OH) + Na2SnO2 = Na2SnO3 + Bi + H2O =>
2 Bi(OH) + Na2SnO2 = Na2SnO3 + 2 Bi + H2O
HCOOH + CH3OH = CH3COOCH3 + H2O =>
HCOOH + 2 CH3OH = CH3COOCH3 + 2 H2O
HNO2 + KOH(aq) = KNO2 + H2O(l) =>
HNO2 + KOH(aq) = KNO2 + H2O(l)
NaI + H2SO4 + NaClO = I + NaCl + Na2SO4 + H2O =>
2 NaI + H2SO4 + NaClO = 2 I + NaCl + Na2SO4 + H2O
F + K2Br = KF + Br2 =>
4 F + 2 K2Br = 4 KF + Br2
Cu{2+} + HCl = CuCl4{2-} + H{+} =>
Cu{2+} + 4 HCl = CuCl4{2-} + 4 H{+}
Al(s) + HCl(aq) = AlCl3(s) + H(s) =>
Al(s) + 3 HCl(aq) = AlCl3(s) + 3 H(s)
HCl + As3O3 + NaNO3 + H2O = NO + H3AsO4 + NaCl =>
3 HCl + As3O3 + 3 NaNO3 + 3 H2O = 3 NO + 3 H3AsO4 + 3 NaCl
K2SO3 + HBr = SO2 + H2O + KBr =>
K2SO3 + 2 HBr = SO2 + H2O + 2 KBr
H3CrO3 + NaOH = Na[Cr(OH)4] =>
H3CrO3 + NaOH = Na[Cr(OH)4]
Cl2 + Na2SO2 + NaOH = NaCl + Na2SO4 + H2O =>
2 Cl2 + Na2SO2 + 4 NaOH = 4 NaCl + Na2SO4 + 2 H2O
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