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2(b)SnO2 = 2 SnO + O2
NaNO3 + S = SO2 + Na2O + NO =>
4 NaNO3 + 3 S = 3 SO2 + 2 Na2O + 4 NO
H2SO4 + OH + NH4 = H2O + NH4SO4 =>
H2SO4 + 2 OH + NH4 = 2 H2O + NH4SO4
Ag + H3PO4 = Ag3PO4 + H2 =>
6 Ag + 2 H3PO4 = 2 Ag3PO4 + 3 H2
(Bi2O3) + HNO3 = Bi(NO3)3 + H2O =>
(Bi2O3) + 6 HNO3 = 2 Bi(NO3)3 + 3 H2O
Fe2(SO4)3 + K2S = Fe2S3 + K2SO4 =>
Fe2(SO4)3 + 3 K2S = Fe2S3 + 3 K2SO4
C10H18 + O2 = H2O + C10H16O2 =>
2 C10H18 + 3 O2 = 2 H2O + 2 C10H16O2
NH3(s) + O2(aq) = NO(g) + H2O(aq) =>
4 NH3(s) + 5 O2(aq) = 4 NO(g) + 6 H2O(aq)
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
H2SiO3 + Cu(OH)2 = Cu(SiO3) + H2O =>
H2SiO3 + Cu(OH)2 = Cu(SiO3) + 2 H2O
MgCrO4 + H2O = Mg(OH)2 + H2CrO4 =>
MgCrO4 + 2 H2O = Mg(OH)2 + H2CrO4
CaI2 + H2O2 = Ca(OH)2 + I2 =>
CaI2 + H2O2 = Ca(OH)2 + I2
Cr(OH)3 + NaOH + H2O2 = Na2CrO4 + H2O =>
2 Cr(OH)3 + 4 NaOH + 3 H2O2 = 2 Na2CrO4 + 8 H2O
Cu(OH)2 + NH3 = [Cu(NH3)4] + (OH)2 =>
Cu(OH)2 + 4 NH3 = [Cu(NH3)4] + (OH)2
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
HClO3 + H2O = HClO + H2O4 =>
3 HClO3 + 2 H2O = 3 HClO + 2 H2O4
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
Cd(NO3)2 + HgS = CdS + Hg(NO3)2 =>
Cd(NO3)2 + HgS = CdS + Hg(NO3)2
Tl2S = Tl + S2 =>
2 Tl2S = 4 Tl + S2
PCl3 + K2SO4 + KOH = KCl + K3PO4 + SCl2 + H2O =>
2 PCl3 + K2SO4 + 8 KOH = 4 KCl + 2 K3PO4 + SCl2 + 4 H2O
Na3(PO4) + MgI2 = NaI + Mg3(PO4)2 =>
2 Na3(PO4) + 3 MgI2 = 6 NaI + Mg3(PO4)2
H2S + CrO3 = Cr2O3 + S + H2O =>
3 H2S + 2 CrO3 = Cr2O3 + 3 S + 3 H2O
Pb(NO3)2 + ZnSO4 = Pb(SO4) + Zn(NO3)2 =>
Pb(NO3)2 + ZnSO4 = Pb(SO4) + Zn(NO3)2
Co3O4 + ReO3 + Fe + Fe2O3 = Co2FeReO6 =>
6 Co3O4 + 9 ReO3 + 7 Fe + Fe2O3 = 9 Co2FeReO6
Pb + Zn(No3)2 = Zn + Pb(No3)2 =>
Pb + Zn(No3)2 = Zn + Pb(No3)2
KClO2 + Zn + NaOH = Na2ZnO2 + KCl + H2O =>
KClO2 + 2 Zn + 4 NaOH = 2 Na2ZnO2 + KCl + 2 H2O
HCH3COO + H2O = H3O{+} + CH3COO{-} =>
HCH3COO + H2O = H3O{+} + CH3COO{-}
HNO3 + C6H8O7 = CO2 + H2O + N2 =>
18 HNO3 + 5 C6H8O7 = 30 CO2 + 29 H2O + 9 N2
NaH2PO4 + NaOH = Na2HPO4 + H2O =>
NaH2PO4 + NaOH = Na2HPO4 + H2O
Ba + S = BaS =>
Ba + S = BaS
Al(s) + HI(aq) = AlI3(aq) + H2(g) =>
2 Al(s) + 6 HI(aq) = 2 AlI3(aq) + 3 H2(g)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
SCl2 + H2O = HClS + HClO =>
SCl2 + H2O = HClS + HClO
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Zn(NO3)2 + NH4I = ZnI2 + NH4NO3 =>
Zn(NO3)2 + 2 NH4I = ZnI2 + 2 NH4NO3
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
Ba(NO3)2 + NaOH = NaNO3 + Ba(OH)2 =>
Ba(NO3)2 + 2 NaOH = 2 NaNO3 + Ba(OH)2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Cr(OH)3 + NaOH = NaCrO2 + H2O =>
Cr(OH)3 + NaOH = NaCrO2 + 2 H2O
AlCl3 + Na2S2O3 = AlS2O3 + Na2Cl3 =>
AlCl3 + Na2S2O3 = AlS2O3 + Na2Cl3
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
NaH2PO4 + NaOH = Na3PO4 + H2O =>
NaH2PO4 + 2 NaOH = Na3PO4 + 2 H2O
AlCl3 + Na2S2O3 = AlS2O3 + Na2Cl3 =>
AlCl3 + Na2S2O3 = AlS2O3 + Na2Cl3
CaMg(CO3)2 = CaCO3 + MgCO3 =>
CaMg(CO3)2 = CaCO3 + MgCO3
BaBr2 + Na2SO4 = BaSO4 + NaBr =>
BaBr2 + Na2SO4 = BaSO4 + 2 NaBr
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
AlCl3 + Na2S2O3 = AlS2O3 + Na2Cl3 =>
AlCl3 + Na2S2O3 = AlS2O3 + Na2Cl3
Ti + N = TiN3 =>
Ti + 3 N = TiN3
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