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4 HNO3 = 4 NO2 + 2 H2O + O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CaCO3 + HC2H3O2 = Ca(C2H3O2)2 + CO2 + H20 =>
10 CaCO3 + 25 HC2H3O2 = 10 Ca(C2H3O2)2 + 20 CO2 + 2 H20
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KMnO4 + K2SO3 + H2O = MnO2 + K2SO4 + KOH =>
2 KMnO4 + 3 K2SO3 + H2O = 2 MnO2 + 3 K2SO4 + 2 KOH
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Na2SO4 + CuCl2 = NaCl + CuSO4 =>
Na2SO4 + CuCl2 = 2 NaCl + CuSO4
SO3(g) + H2O(l) = H2SO4(aq) =>
SO3(g) + H2O(l) = H2SO4(aq)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Pb(OH)2 = PbO + H2O =>
Pb(OH)2 = PbO + H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Cd + HCl = CdCl2 + H2 =>
Cd + 2 HCl = CdCl2 + H2
C8H18 + O8 = CO2 + H2O =>
8 C8H18 + 25 O8 = 64 CO2 + 72 H2O
C + S = CS2 =>
C + 2 S = CS2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
C8(NO2)8 + O2 = CO + NO2 =>
C8(NO2)8 + 4 O2 = 8 CO + 8 NO2
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Li + HNO3 = LiNO3 + H2 =>
2 Li + 2 HNO3 = 2 LiNO3 + H2
CuFeS2(l) + O2(g) = Cu2S(l) + FeO(l) + SO2 =>
2 CuFeS2(l) + 4 O2(g) = Cu2S(l) + 2 FeO(l) + 3 SO2
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
C2H4 + H2O = CH3CH2OH =>
C2H4 + H2O = CH3CH2OH
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Ca(OH)2 + P2O5 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + P2O5 = Ca3(PO4)2 + 3 H2O
PbO + NH3 = Pb + N2 + H2O =>
3 PbO + 2 NH3 = 3 Pb + N2 + 3 H2O
Zn + S = ZnS =>
Zn + S = ZnS
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
FeS(l) + O2 = FeO(l) + SO2(g) =>
2 FeS(l) + 3 O2 = 2 FeO(l) + 2 SO2(g)
Zn + S2 = ZnS =>
2 Zn + S2 = 2 ZnS
N2 + O2 = NO =>
N2 + O2 = 2 NO
SiO2(s) + HF(aq) = SiF4(g) + H2O(l) =>
SiO2(s) + 4 HF(aq) = SiF4(g) + 2 H2O(l)
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Mg + HCOOH = Mg(HCOO)2 + H2 =>
Mg + 2 HCOOH = Mg(HCOO)2 + H2
Sr + HNO3 = Sr(NO3)2 + H2 =>
Sr + 2 HNO3 = Sr(NO3)2 + H2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
Zn(OH)2 + KOH = K2ZnO2 + H2O =>
Zn(OH)2 + 2 KOH = K2ZnO2 + 2 H2O
NO2 + H2O2 = HNO3 =>
2 NO2 + H2O2 = 2 HNO3
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
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