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2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
C6H14(aq) + O2(g) = CO2(g) + H2O(g) =>
2 C6H14(aq) + 19 O2(g) = 12 CO2(g) + 14 H2O(g)
P + N2O = N2 + P2O5 =>
2 P + 5 N2O = 5 N2 + P2O5
CH3CHO + H2O = CH3CH(OH)2 =>
CH3CHO + H2O = CH3CH(OH)2
CH2OH + NH3 = CH2NH2 + H2O =>
CH2OH + NH3 = CH2NH2 + H2O
(NH4)2Se + HCl = NH4Cl + H2Se =>
(NH4)2Se + 2 HCl = 2 NH4Cl + H2Se
Fe(III)O + H = Fe(III) + H2O =>
Fe(III)O + 2 H = Fe(III) + H2O
H3BO3(aq) = H4B6O11(aq) + H2O(l) =>
6 H3BO3(aq) = H4B6O11(aq) + 7 H2O(l)
MgO + S = Mg + SO2 =>
2 MgO + S = 2 Mg + SO2
KNO3 + PbO = PbNO3 + KO =>
KNO3 + PbO = PbNO3 + KO
Al2(SO4)3(aq) + AgNO3(aq) = Al(NO3)3(aq) + Ag2SO4(aq) =>
Al2(SO4)3(aq) + 6 AgNO3(aq) = 2 Al(NO3)3(aq) + 3 Ag2SO4(aq)
Al2(SO4)3 + Na2SiO3 + H2O = Al(OH)3 + SiO2 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SiO3 + 3 H2O = 2 Al(OH)3 + 3 SiO2 + 3 Na2SO4
Mg(NO3)2 = Mg + NO2 + O =>
Mg(NO3)2 = Mg + 2 NO2 + 2 O
CaCl2 + NaHCO3 + C19H14O5S = Ca + NaCl + OH + C + S =>
9 CaCl2 + 18 NaHCO3 + 4 C19H14O5S = 9 Ca + 18 NaCl + 74 OH + 94 C + 4 S
CoCl2 + H2SO4 = CoSO4 + HCl =>
CoCl2 + H2SO4 = CoSO4 + 2 HCl
HCl(aq) + ZnS(aq) = H2S(aq) + ZnCl2(aq) =>
2 HCl(aq) + ZnS(aq) = H2S(aq) + ZnCl2(aq)
KOH + H2 = K + H2O =>
2 KOH + H2 = 2 K + 2 H2O
CuCl2(aq) + Na2CO3(aq) = CuCO3 + NaCl =>
CuCl2(aq) + Na2CO3(aq) = CuCO3 + 2 NaCl
Sn + Cl = SnCl4 =>
Sn + 4 Cl = SnCl4
Pb(NO3)2 + (NH4)2(CrO4) = PbCrO4 + (NH4)(NO3) =>
Pb(NO3)2 + (NH4)2(CrO4) = PbCrO4 + 2(NH4)(NO3)
NaBrO3 + H2SO4 = Na2SO4 + HBrO3 =>
2 NaBrO3 + H2SO4 = Na2SO4 + 2 HBrO3
HCl + AgF = AgCl + HF =>
HCl + AgF = AgCl + HF
K3[Fe(NCS)6] + KF = K3[FeF6] + KSCN =>
K3[Fe(NCS)6] + 6 KF = K3[FeF6] + 6 KSCN
AgCl(s) + NH3(aq) = [Ag(NH3)2](aq) + Cl(aq) =>
AgCl(s) + 2 NH3(aq) = [Ag(NH3)2](aq) + Cl(aq)
NaNO3 + HCl = NaNO2 + Cl2 + H2O =>
NaNO3 + 2 HCl = NaNO2 + Cl2 + H2O
K2Cr2O7 + H2C2O4*2H2O = K[Cr(H2O)2(C2O4)2] + H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4*2H2O = 2 K[Cr(H2O)2(C2O4)2] + 17 H2O + 6 CO2
H2O + P4 + HOCl = H3PO4 + Cl{-} + H{+} =>
6 H2O + P4 + 10 HOCl = 4 H3PO4 + 10 Cl{-} + 10 H{+}
NH4ClO4 + C4H5Cl = CO2 + H2O + Cl2 + N2 =>
42 NH4ClO4 + 8 C4H5Cl = 32 CO2 + 104 H2O + 25 Cl2 + 21 N2
Al(OH)3 + H{+} = Al{3+} + H2O =>
Al(OH)3 + 3 H{+} = Al{3+} + 3 H2O
Na2S(aq) + Cu(CH3COO)2(aq) = Na(CH3COO)(aq) + CuS(s) =>
Na2S(aq) + Cu(CH3COO)2(aq) = 2 Na(CH3COO)(aq) + CuS(s)
HgCl2 + NH4OH = HgO + NH4Cl + H2O =>
HgCl2 + 2 NH4OH = HgO + 2 NH4Cl + H2O
KOH + H2C2O4*H2O = K2C2O4 + H2O =>
2 KOH + H2C2O4*H2O = K2C2O4 + 3 H2O
PbO2 + Cu = Pb + CuO =>
PbO2 + 2 Cu = Pb + 2 CuO
H3BO3 + Fe(OH)3 = FeBO3 + H2O =>
H3BO3 + Fe(OH)3 = FeBO3 + 3 H2O
Cu(NO3)2 + KI = CuI + I2 + (KNO3)2 =>
2 Cu(NO3)2 + 4 KI = 2 CuI + I2 + 2(KNO3)2
[Ni(NH3)6]{2+} + (CH3)2C2(NOH)2 = NH4{+} + NH3 + NiC8H14N4O4 =>
[Ni(NH3)6]{2+} + 2(CH3)2C2(NOH)2 = 2 NH4{+} + 4 NH3 + NiC8H14N4O4
(b)KIO4(aq) + KI(aq) + HCl(aq) = KCl(aq) + I2(s) + H2O(l) =>
(b)KIO4(aq) + 7 KI(aq) + 8 HCl(aq) = 8 KCl(aq) + 4 I2(s) + 4 H2O(l)
VOCl3 + O2 = V2O5 + Cl2 =>
4 VOCl3 + 3 O2 = 2 V2O5 + 6 Cl2
NiCl2(aq) + Na2CO3(aq) = NiCO3(s) + NaCl(aq) =>
NiCl2(aq) + Na2CO3(aq) = NiCO3(s) + 2 NaCl(aq)
MgI2 + O2 = MgO + I2 =>
2 MgI2 + O2 = 2 MgO + 2 I2
Na2SO4 = Na + SO4 =>
Na2SO4 = 2 Na + SO4
NiF3 = Ni + F =>
NiF3 = Ni + 3 F
Pb2(aq) + Cl(aq) = PbCl2 =>
Pb2(aq) + 4 Cl(aq) = 2 PbCl2
AgCl(s) + NH3(aq) = [Ag(NH3)2] + Cl(aq) =>
AgCl(s) + 2 NH3(aq) = [Ag(NH3)2] + Cl(aq)
H2SO4 + Fe(OH)3 = Fe2(SO4)3 + H2O =>
3 H2SO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 6 H2O
WO3 + SnCl2 + HCl = W3O8 + H2SnCl6 + H2O =>
3 WO3 + SnCl2 + 4 HCl = W3O8 + H2SnCl6 + H2O
BaCO3 + CO2 + H2O = Ba(HCO3)2 =>
BaCO3 + CO2 + H2O = Ba(HCO3)2
Al2(SO4)3(aq) + AgNO3(aq) = Ag2SO4(s) + Al(NO3)3(aq) =>
Al2(SO4)3(aq) + 6 AgNO3(aq) = 3 Ag2SO4(s) + 2 Al(NO3)3(aq)
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
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