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K2SO3 + 2 HNO3 = 2 KNO3 + H2SO3
Cr2O3 + H2 = Cr2 + H2O =>
Cr2O3 + 3 H2 = Cr2 + 3 H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Br2 + S2O32{-} + H2O = Br1{-} + SO42{-} + H{+} =>
103 Br2 + 2 S2O32{-} + 104 H2O = 206 Br1{-} + 4 SO42{-} + 208 H{+}
CaSO4 = Ca0 + SO4 =>
CaSO4 = Ca0 + SO4
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
Fe2O3 + Mg = Fe + MgO =>
Fe2O3 + 3 Mg = 2 Fe + 3 MgO
BaO + SO2 = BaSO3 =>
BaO + SO2 = BaSO3
H2O2 + MnO2 = H2Mn + O8 =>
2 H2O2 + 2 MnO2 = 2 H2Mn + O8
Na[Al(OH)4] + FeCl3 = NaCl + AlCl3 + Fe(OH)3 =>
3 Na[Al(OH)4] + 4 FeCl3 = 3 NaCl + 3 AlCl3 + 4 Fe(OH)3
SO2 + Mg(OH)2 = MgSO3 + H2O =>
SO2 + Mg(OH)2 = MgSO3 + H2O
Ca(OH)2 = Ca2 + (OH)2 =>
2 Ca(OH)2 = Ca2 + 2(OH)2
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
HF + MnO = MnF + H2O + F2 =>
4 HF + 2 MnO = 2 MnF + 2 H2O + F2
KI + NiCl3 = KCl + NiI3 =>
3 KI + NiCl3 = 3 KCl + NiI3
HClO3(aq) + Ba(OH)2(aq) = Ba(ClO3)2(aq) + H2O(l) =>
2 HClO3(aq) + Ba(OH)2(aq) = Ba(ClO3)2(aq) + 2 H2O(l)
Hg + (O2)2 = HgO =>
4 Hg + (O2)2 = 4 HgO
Ca + H3PO4(aq) = Ca3(PO4)2 + H2(g) =>
3 Ca + 2 H3PO4(aq) = Ca3(PO4)2 + 3 H2(g)
CH2 + Cl2 = CHCl + H2 =>
2 CH2 + Cl2 = 2 CHCl + H2
N2H4 + Na = NaN2H3 + H2 =>
2 N2H4 + 2 Na = 2 NaN2H3 + H2
Na3CrO4 + H2SO4 = Cr + H2O + Na2SO4 + Na2Cr2O7 =>
12 Na3CrO4 + 13 H2SO4 = 2 Cr + 13 H2O + 13 Na2SO4 + 5 Na2Cr2O7
S + K2SO3 = K2S + SO3 =>
S + K2SO3 = K2S + SO3
Fe2O3 + LiF = FeF3 + Li2O =>
Fe2O3 + 6 LiF = 2 FeF3 + 3 Li2O
CH3CHONaCH3 + HCl = NaCl + CH3CHOHCH3 =>
CH3CHONaCH3 + HCl = NaCl + CH3CHOHCH3
MnO2 + NaNO3 + NaOH = NaNO2 + Na2MnO4 + H2O =>
MnO2 + NaNO3 + 2 NaOH = NaNO2 + Na2MnO4 + H2O
Fe(OH)3 + HBr = FeBr3 + H2O =>
Fe(OH)3 + 3 HBr = FeBr3 + 3 H2O
HCl + CuSO4 = CuCl2 + H2SO4 =>
2 HCl + CuSO4 = CuCl2 + H2SO4
MgSiO3 + KOH = K2SiO3 + Mg(OH)2 =>
MgSiO3 + 2 KOH = K2SiO3 + Mg(OH)2
BaCl2HCl = HCl2BaCl =>
BaCl2HCl = HCl2BaCl
Zi2 + P2 = ZiP =>
Zi2 + P2 = 2 ZiP
C20H42 = C10H22 + C10H20 =>
C20H42 = C10H22 + C10H20
VO2 + KI = K2O + V + I =>
VO2 + 4 KI = 2 K2O + V + 4 I
NH4Cl + N2 = NH3 + Cl2 =>
6 NH4Cl + N2 = 8 NH3 + 3 Cl2
H2SO4 + ZnS = H2S + ZnSO4 =>
H2SO4 + ZnS = H2S + ZnSO4
C9H8O4 + H2O2 = CO2 + H2O =>
C9H8O4 + 18 H2O2 = 9 CO2 + 22 H2O
NaHCO3 + K3PO4 = HPO4 + CO3 + NaK3 =>
NaHCO3 + K3PO4 = HPO4 + CO3 + NaK3
Cu(NO3)2 + NH3 = Cu(NH3)4 + NO3 =>
Cu(NO3)2 + 4 NH3 = Cu(NH3)4 + 2 NO3
ZnO + H2 = H2ZnO =>
ZnO + H2 = H2ZnO
Al + KOH = AlO + K + H2O =>
Al + 2 KOH = AlO + 2 K + H2O
Na[Al(OH)4] + FeCl3 = NaCl + AlCl3 + Fe(OH)3 =>
3 Na[Al(OH)4] + 4 FeCl3 = 3 NaCl + 3 AlCl3 + 4 Fe(OH)3
KI3 + CCl4 = KCl3 + C + I2 =>
4 KI3 + 3 CCl4 = 4 KCl3 + 3 C + 6 I2
Cr2(SO4)3 + Au(NO3)3 = Cr2(NO3)3 + Au(SO4)3 =>
Cr2(SO4)3 + Au(NO3)3 = Cr2(NO3)3 + Au(SO4)3
Pb + Le = PbLe =>
Pb + Le = PbLe
Na + H2S = Na2S + H =>
2 Na + H2S = Na2S + 2 H
ZnOHCl + BaCl2 = ZnCl2 + Ba(OH)2 =>
2 ZnOHCl + BaCl2 = 2 ZnCl2 + Ba(OH)2
NaClO3 + COOHCOOH = ClO2 + CO2 + COONaCOONa + H2O =>
2 NaClO3 + 2 COOHCOOH = 2 ClO2 + 2 CO2 + COONaCOONa + 2 H2O
Na + Li2(CO3) = Li + NaCO3 =>
Na + Li2(CO3) = 2 Li + NaCO3
S2O3{-2} + Cl2 + H2O = SO4{2-} + Cl{-} + H{+} =>
S2O3{-2} + 4 Cl2 + 5 H2O = 2 SO4{2-} + 8 Cl{-} + 10 H{+}
NH4OH + CuSO4 = CuH4OH + NSO4 =>
NH4OH + CuSO4 = CuH4OH + NSO4
Na(OH) + CH3COOH = CH3COONa + H2O =>
Na(OH) + CH3COOH = CH3COONa + H2O
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