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2 NO2 = 2 NO + O2
Al(s) + HCl(l) = AlCl3(s) + H2(g) =>
2 Al(s) + 6 HCl(l) = 2 AlCl3(s) + 3 H2(g)
CH3Cl + H2 = C2H6 + HCl =>
2 CH3Cl + H2 = C2H6 + 2 HCl
FeCO3(s) + HBr(aq) = FeBr2 + H2O + CO2 =>
FeCO3(s) + 2 HBr(aq) = FeBr2 + H2O + CO2
BaOH2 + HF = BaF + H3O =>
BaOH2 + HF = BaF + H3O
Al2O3 + SiO2 = Al2(SiO3)3 =>
Al2O3 + 3 SiO2 = Al2(SiO3)3
C6H12 + BH3 = (C6H13)3 + BH2 =>
3 C6H12 + 3 BH3 = (C6H13)3 + 3 BH2
KMnO4 + HCl = K2[MnCl6] + H3[MnCl6] + Cl2 + H2O =>
4 KMnO4 + 38 HCl = 2 K2[MnCl6] + 2 H3[MnCl6] + 7 Cl2 + 16 H2O
Ca(H2Po4)2 + Ca(OH)2 = CaHPo4 + H2O =>
Ca(H2Po4)2 + Ca(OH)2 = 2 CaHPo4 + 2 H2O
Fe(OH)2 + CH3COOH = H2O + Fe(CH3COO)2 =>
Fe(OH)2 + 2 CH3COOH = 2 H2O + Fe(CH3COO)2
C6H6 + H2O = CO2 + H =>
C6H6 + 12 H2O = 6 CO2 + 30 H
UunC2H5 + O2 = UunOH + CO2 + H2O =>
2 UunC2H5 + 7 O2 = 2 UunOH + 4 CO2 + 4 H2O
H2NCOONH4 = NH3 + CO2 =>
H2NCOONH4 = 2 NH3 + CO2
Na3PO4 + Ag(NO3) = NaNO3 + Ag3(PO4) =>
Na3PO4 + 3 Ag(NO3) = 3 NaNO3 + Ag3(PO4)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn + ClO{-} + H{+} = Zn2{+} + Cl2 + H2O =>
4 Zn + 2 ClO{-} + 4 H{+} = 2 Zn2{+} + Cl2 + 2 H2O
C2H6O + H2O = C2H4O2 + H =>
C2H6O + H2O = C2H4O2 + 4 H
C6H12O6(s) + O2(g) = CO2(g) + H2O(g) =>
C6H12O6(s) + 6 O2(g) = 6 CO2(g) + 6 H2O(g)
Al(s) + HCl(l) = AlCl3 + H2 =>
2 Al(s) + 6 HCl(l) = 2 AlCl3 + 3 H2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
FeCl3 + H2SO4 + Zn = ZnCl2 + FeSO4 + H2 =>
2 FeCl3 + 2 H2SO4 + 3 Zn = 3 ZnCl2 + 2 FeSO4 + 2 H2
K2S + Ba(CH3COO)2 = KCH3COO + BaS =>
K2S + Ba(CH3COO)2 = 2 KCH3COO + BaS
MgSO4(s) = MgO(s) + SO3(g) =>
MgSO4(s) = MgO(s) + SO3(g)
Al2O3 + SiO2 = Al6Si2O13 =>
3 Al2O3 + 2 SiO2 = Al6Si2O13
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
MgHPO4 + NH4Cl = Mg(NH4)PO4 + HCl =>
MgHPO4 + NH4Cl = Mg(NH4)PO4 + HCl
C6H5COOCH3 + NaOH = C6H5COONa + CH3OH =>
C6H5COOCH3 + NaOH = C6H5COONa + CH3OH
C6H6 + H2O = C6H5OH + H2 =>
C6H6 + H2O = C6H5OH + H2
Zn(s)CuSo4(aq) = ZnSo4(aq)Cu(s) =>
Zn(s)CuSo4(aq) = ZnSo4(aq)Cu(s)
V + S8 = V2S5 =>
16 V + 5 S8 = 8 V2S5
C2H6O + H2O = C2H4O2 + H2 =>
C2H6O + H2O = C2H4O2 + 2 H2
Al(s) + HCl(l) = AlCl3 + H2(g) =>
2 Al(s) + 6 HCl(l) = 2 AlCl3 + 3 H2(g)
MgSO4(s) = MgSO3(s) + O2(g) =>
2 MgSO4(s) = 2 MgSO3(s) + O2(g)
SiO2 + Al2O3 = Al4(SiO4)3 =>
3 SiO2 + 2 Al2O3 = Al4(SiO4)3
Ca(OH)2 + Sn3(PO4)4 = Ca3(PO4)2 + Sn(OH)4 =>
6 Ca(OH)2 + Sn3(PO4)4 = 2 Ca3(PO4)2 + 3 Sn(OH)4
C6H6 + C2H6 = C6H5C2H5 =>
7 C6H6 + 3 C2H6 = 6 C6H5C2H5
FeSO4 + Na2SO4 = FeSO4Na2SO4 =>
FeSO4 + Na2SO4 = FeSO4Na2SO4
Cu + Ag{+} = Ag + Cu2{+} =>
2 Cu + Ag{+} = Ag + Cu2{+}
K2SO4 + Al = AlSO4 + K2 =>
K2SO4 + Al = AlSO4 + K2
FeCl3(s) + NaOH(aq) = Fe(OH)3(aq) + NaCl(aq) =>
FeCl3(s) + 3 NaOH(aq) = Fe(OH)3(aq) + 3 NaCl(aq)
KJ + FeCl3 = J2 + KCl + FeCl2 =>
2 KJ + 2 FeCl3 = J2 + 2 KCl + 2 FeCl2
Ca(OH)2 + (NH4)2(SO4) = CaSO4 + NH3 + H2O =>
Ca(OH)2 + (NH4)2(SO4) = CaSO4 + 2 NH3 + 2 H2O
Mg(NO3)2 + K(OH) = Mg(OH)2 + KNO3 =>
Mg(NO3)2 + 2 K(OH) = Mg(OH)2 + 2 KNO3
K(OH) + Fe(Cl)3 = K(Cl) + Fe(OH)3 =>
3 K(OH) + Fe(Cl)3 = 3 K(Cl) + Fe(OH)3
Ba(NO3)2 + Na2SO4 = BaSO4(s) + NaNO3(aq) =>
Ba(NO3)2 + Na2SO4 = BaSO4(s) + 2 NaNO3(aq)
Al(s) + HCl(l) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(l) = 2 AlCl3(aq) + 3 H2(g)
K2SO4 + Al2(SO4)3 + H2O = KAl(SO4)2*12H2O =>
K2SO4 + Al2(SO4)3 + 24 H2O = 2 KAl(SO4)2*12H2O
Pb + Cu(NO3)2 = Pb(NO3)3 + Cu =>
2 Pb + 3 Cu(NO3)2 = 2 Pb(NO3)3 + 3 Cu
HBr + NH3 = Br{-} + NH4{+} =>
HBr + NH3 = Br{-} + NH4{+}
OF2 + H2O = O2 + HF =>
OF2 + H2O = O2 + 2 HF
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