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H2Cr2O7 + KOH = KHCr2O7 + H2O
Fe + NaOH = Fe(OH)2 + Na =>
Fe + 2 NaOH = Fe(OH)2 + 2 Na
AlCl3 + K3PO4 = KCl + Al3(PO4)3 =>
3 AlCl3 + 3 K3PO4 = 9 KCl + Al3(PO4)3
Al(OH)3(s) + NaOH(ca) = NaAlO2(ac) + H2O(l) =>
Al(OH)3(s) + NaOH(ca) = NaAlO2(ac) + 2 H2O(l)
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Al(OH)3 + KOH = Al(KO)3 + H2O =>
Al(OH)3 + 3 KOH = Al(KO)3 + 3 H2O
Al(OH)3 + CO2 = Al(HCO3)3 =>
Al(OH)3 + 3 CO2 = Al(HCO3)3
ZnO + HSO4 = ZnSO4 + HO =>
ZnO + HSO4 = ZnSO4 + HO
Na2S2O8 + Bi(NO3)3 + NaOH = Na2SO4 + NaBiO3 + NaNO3 + H2O =>
Na2S2O8 + Bi(NO3)3 + 6 NaOH = 2 Na2SO4 + NaBiO3 + 3 NaNO3 + 3 H2O
HOBr + H2O = H3O{+} + BrO{-} =>
HOBr + H2O = H3O{+} + BrO{-}
Fe{2+} + H{+} + H2O2 = Fe{3+} + H2O =>
2 Fe{2+} + 2 H{+} + H2O2 = 2 Fe{3+} + 2 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
BF3(g) + H2O(l) = HF(l) + H3BO3(s) =>
BF3(g) + 3 H2O(l) = 3 HF(l) + H3BO3(s)
AgNO3(aq) + NaC2H3O2(aq) = AgC2H3O2(s) + NaNO3(aq) =>
AgNO3(aq) + NaC2H3O2(aq) = AgC2H3O2(s) + NaNO3(aq)
Fe{2+} + H{+} + H2O2 = Fe{3+} + H2O =>
2 Fe{2+} + 2 H{+} + H2O2 = 2 Fe{3+} + 2 H2O
H{+} + PbO2 + Mn{2+} = Pb{+2} + MnO4{-} + H2O =>
4 H{+} + 5 PbO2 + 2 Mn{2+} = 5 Pb{+2} + 2 MnO4{-} + 2 H2O
H2S = H2 + S =>
H2S = H2 + S
C6H7N + O2 = CO2 + H2O + N2 =>
4 C6H7N + 31 O2 = 24 CO2 + 14 H2O + 2 N2
CaSO4 + Pb(NO3)2 = PbSO4 + Ca(NO3)2 =>
CaSO4 + Pb(NO3)2 = PbSO4 + Ca(NO3)2
AgNO3 + MgI2 = AgI + Mg(NO3)2 =>
2 AgNO3 + MgI2 = 2 AgI + Mg(NO3)2
J2 + H2S + H2O = H2SO4 + HJ =>
4 J2 + H2S + 4 H2O = H2SO4 + 8 HJ
Al(OH)3 + NaOH = NaAlO2 + H2O =>
Al(OH)3 + NaOH = NaAlO2 + 2 H2O
K2SO4 + CuCl2 = CuSO4 + K2Cl2 =>
K2SO4 + CuCl2 = CuSO4 + K2Cl2
CaCO3(s) + CH3COOH(aq) = Ca(C2H3O2)2(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 CH3COOH(aq) = Ca(C2H3O2)2(aq) + CO2(g) + H2O(l)
NH4NO3 + K3PO4 = (NH4)3PO4 + K3(NO3)3 =>
3 NH4NO3 + K3PO4 = (NH4)3PO4 + K3(NO3)3
NaSO4 + Pb(CH3COO)2 = Na(CH3COO) + Pb(SO4)2 =>
2 NaSO4 + Pb(CH3COO)2 = 2 Na(CH3COO) + Pb(SO4)2
Mn + HCe = MnCe + H =>
Mn + HCe = MnCe + H
NaS + Cd2NO3 = NaNO3 + Cd2S =>
NaS + Cd2NO3 = NaNO3 + Cd2S
HNO3 + K2CO3 = K2NO3 + HCO3 =>
HNO3 + K2CO3 = K2NO3 + HCO3
K2SO4 + Ca(NO3)2 = K2Ca + SO4(NO3)2 =>
K2SO4 + Ca(NO3)2 = K2Ca + SO4(NO3)2
Li2O + H2SO4 = Li2SO4 + H2O =>
Li2O + H2SO4 = Li2SO4 + H2O
ZnO + AgNO3 = Ag + Zn(NO3)2 + O2 =>
2 ZnO + 4 AgNO3 = 4 Ag + 2 Zn(NO3)2 + O2
Ca(OH)2 + (NH4)SO4 = Ca(SO4)2 + NH3 + H2O =>
Ca(OH)2 + 2(NH4)SO4 = Ca(SO4)2 + 2 NH3 + 2 H2O
H2S(g) + H2SO3(aq) = S(s) + H2O(l) =>
2 H2S(g) + H2SO3(aq) = 3 S(s) + 3 H2O(l)
CrCl3 + Br2 + NaOH = NaCrO4 + NaBr + NaCl + H2O =>
CrCl3 + 2 Br2 + 8 NaOH = NaCrO4 + 4 NaBr + 3 NaCl + 4 H2O
MgO + ZnO = Mg(ZnO2) =>
MgO + ZnO = Mg(ZnO2)
HCH3COO(aq) + NaHCO3(s) = H2O + CO2 + CH3COONa =>
HCH3COO(aq) + NaHCO3(s) = H2O + CO2 + CH3COONa
C5H7N + O2 = CO2 + H2O + NO2 =>
4 C5H7N + 31 O2 = 20 CO2 + 14 H2O + 4 NO2
AgCl + MgO = MgCl2 + Ag2O =>
2 AgCl + MgO = MgCl2 + Ag2O
Li + Ca3N2 = Ca + Li3N =>
6 Li + Ca3N2 = 3 Ca + 2 Li3N
H2S = H2 + S2 =>
2 H2S = 2 H2 + S2
NH4Cl(ac) + KNO3(ac) = N2O + KCl + H2O =>
NH4Cl(ac) + KNO3(ac) = N2O + KCl + 2 H2O
BaSO4 + Na2O = BaO + Na2SO4 =>
BaSO4 + Na2O = BaO + Na2SO4
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
Al + HNO3 = Al2(NO33) + NO + H2O =>
6 Al + 64 HNO3 = 3 Al2(NO33) + 61 NO + 32 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al2O3 + NaOH + H2O = Na + [Al(OH)4] =>
Al2O3 + 2 NaOH + 3 H2O = 2 Na + 2[Al(OH)4]
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
Cu + H2SO4(conc) = CuSO4 + H2 =>
Cu + H2SO4(conc) = CuSO4 + H2
C7H7Cl + KMnO4 + H2SO4 = C6H5COOH + HCl + MnSO4 + H2O + K2SO4 =>
5 C7H7Cl + 4 KMnO4 + 6 H2SO4 = 5 C6H5COOH + 5 HCl + 4 MnSO4 + 6 H2O + 2 K2SO4
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