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2 ZnO + C = 2 Zn + CO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NH4CN + NaBr = NaCN + NH4Br =>
NH4CN + NaBr = NaCN + NH4Br
Na2O + KCl = NaCl + K2O =>
Na2O + 2 KCl = 2 NaCl + K2O
Bi(OH)3 + NaOH = Na3[Bi(OH)6] =>
Bi(OH)3 + 3 NaOH = Na3[Bi(OH)6]
H(C2H3O2) = (CH3)2CO + CO2 + H2O =>
2 H(C2H3O2) = (CH3)2CO + CO2 + H2O
HCl9(g) + O2(g) = Cl2(g) + H2O(g) =>
4 HCl9(g) + O2(g) = 18 Cl2(g) + 2 H2O(g)
Mg + H3BO3 + H2O = Mg[B(OH)4]2 + H2 =>
Mg + 2 H3BO3 + 2 H2O = Mg[B(OH)4]2 + H2
C2H6O2 + O2 = CO2 + H2O =>
2 C2H6O2 + 5 O2 = 4 CO2 + 6 H2O
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
HCl(aq) + KOH(aq) = KCl(aq) + H2O(l) =>
HCl(aq) + KOH(aq) = KCl(aq) + H2O(l)
HNO3 + ZnO = H2O + Zn(NO3)2 =>
2 HNO3 + ZnO = H2O + Zn(NO3)2
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
S + CaO(s) = CaS(s) + CaSO4(s) =>
4 S + 4 CaO(s) = 3 CaS(s) + CaSO4(s)
Al2O3 + H = Al + H2O =>
Al2O3 + 6 H = 2 Al + 3 H2O
Pb(CH3COO)2 + H2O = PbOH(CH3COO) + CH3COOH =>
Pb(CH3COO)2 + H2O = PbOH(CH3COO) + CH3COOH
(Cu(OH)2) + H2SO4 = CuSO4 + H2O =>
(Cu(OH)2) + H2SO4 = CuSO4 + 2 H2O
S2 + O2 = SO =>
S2 + O2 = 2 SO
PdCl2(aq) + HNO3(aq) = Pd(NO3)2 + HCl(aq) =>
PdCl2(aq) + 2 HNO3(aq) = Pd(NO3)2 + 2 HCl(aq)
Sn{+3} + BrO3{-} + H{+} = Sn{+4} + Br{-} + H2O =>
6 Sn{+3} + BrO3{-} + 6 H{+} = 6 Sn{+4} + Br{-} + 3 H2O
C3H6O2 + C2H5Br = C3H5OBr + HBr + C2H6 =>
2 C3H6O2 + 7 C2H5Br = 4 C3H5OBr + 3 HBr + 4 C2H6
CH3COONa + FeCl3 + H2O = Fe(OH)2CH3COO + CH3COOH + NaCl =>
3 CH3COONa + FeCl3 + 2 H2O = Fe(OH)2CH3COO + 2 CH3COOH + 3 NaCl
C6H3N3O7 = CO + H2 + H2O + N2 =>
2 C6H3N3O7 = 12 CO + H2 + 2 H2O + 3 N2
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
MgSO4 + NaNo3 = Mg(No3)2 + Na2SO4 =>
MgSO4 + 2 NaNo3 = Mg(No3)2 + Na2SO4
Mg(OH)2(s) + HCl(ac) = MgCl2(ac) + H2O(l) =>
Mg(OH)2(s) + 2 HCl(ac) = MgCl2(ac) + 2 H2O(l)
H2C2O4 + H3O{+} + MnO4{-} = Mn{2+} + CO2 + H2O =>
5 H2C2O4 + 6 H3O{+} + 2 MnO4{-} = 2 Mn{2+} + 10 CO2 + 14 H2O
ClO3{-} + Br{-} + H{+} = Br2 + Cl{-} + H2O =>
ClO3{-} + 6 Br{-} + 6 H{+} = 3 Br2 + Cl{-} + 3 H2O
Fe2(SO4)3 + BaO = Fe2O3 + BaSO4 =>
Fe2(SO4)3 + 3 BaO = Fe2O3 + 3 BaSO4
Pb(NO{3}){2} + KOH = Pb(OH){2} + K(NO{3}) =>
Pb(NO{3}){2} + KOH = Pb(OH){2} + K(NO{3})
Sb + Cl2(g) = SbCl3 =>
2 Sb + 3 Cl2(g) = 2 SbCl3
Li2S + Ca(NO3)2 = Li(NO3) + CaS =>
Li2S + Ca(NO3)2 = 2 Li(NO3) + CaS
MgSO4 + NaNo3 = Mg(No3)2 + Na2SO4 =>
MgSO4 + 2 NaNo3 = Mg(No3)2 + Na2SO4
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H3BO3 + K = B + KOH =>
H3BO3 + 3 K = B + 3 KOH
Cu(NH3)4SO4 + C2H5OH + O2 = Cu(NH3)4SO4H2O + CO2 =>
3 Cu(NH3)4SO4 + C2H5OH + 3 O2 = 3 Cu(NH3)4SO4H2O + 2 CO2
MgSO4 + NaOH = Mg(OH)2Na2SO4 =>
MgSO4 + 2 NaOH = Mg(OH)2Na2SO4
C6H5COO{-} + (NO3{-}) + H{+} = CO2 + H2O + N2 =>
C6H5COO{-} + 6(NO3{-}) + 7 H{+} = 7 CO2 + 6 H2O + 3 N2
NaOH + HCl = H2O + NaCl =>
NaOH + HCl = H2O + NaCl
Li + HClO4 = LiClO4 + H2 =>
2 Li + 2 HClO4 = 2 LiClO4 + H2
FeSO4 + Na2CO3 = FeCO3 + Na2SO4 =>
FeSO4 + Na2CO3 = FeCO3 + Na2SO4
K2S + H2SO4 = K2SO4 + SO2 + H2O =>
K2S + 4 H2SO4 = K2SO4 + 4 SO2 + 4 H2O
NaOH + HCl = H2O + NaCl =>
NaOH + HCl = H2O + NaCl
CuS7 + HNO3 = Cu(NO3)2 + S + H2O + NO =>
3 CuS7 + 8 HNO3 = 3 Cu(NO3)2 + 21 S + 4 H2O + 2 NO
[Fe(H2O)5(SCN)]Cl2 + KCl = KSCN + FeCl3 + H2O =>
[Fe(H2O)5(SCN)]Cl2 + KCl = KSCN + FeCl3 + 5 H2O
P2O3 + H2O = H3PO3 =>
P2O3 + 3 H2O = 2 H3PO3
Al + MgI2 = Mg + AlI3 =>
2 Al + 3 MgI2 = 3 Mg + 2 AlI3
Cl2 + NaBr(aq) = NaCl(aq) + Br2(aq) =>
Cl2 + 2 NaBr(aq) = 2 NaCl(aq) + Br2(aq)
NiO(s) + Al(s) = Ni(l) + Al2O3(s) =>
3 NiO(s) + 2 Al(s) = 3 Ni(l) + Al2O3(s)
FrF + CuCl2 = FrCl2 + CuF =>
FrF + CuCl2 = FrCl2 + CuF
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