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2 HCl + MgO = H2O + MgCl2
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Pb(NO3)4 + Zn = Pb + Zn(NO3)2 =>
Pb(NO3)4 + 2 Zn = Pb + 2 Zn(NO3)2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
CuSO4 + LiOH = Cu(OH)2 + Li2SO4 =>
CuSO4 + 2 LiOH = Cu(OH)2 + Li2SO4
PbFeO4 + Na2SO4 = PbFe + Na2SO8 =>
PbFeO4 + Na2SO4 = PbFe + Na2SO8
HCOOH + Mg = Mg(COOH)2 + H2 =>
2 HCOOH + Mg = Mg(COOH)2 + H2
NH3 + O2 = H2O + NO =>
4 NH3 + 5 O2 = 6 H2O + 4 NO
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
K2CrO4 + Pb(NO3)2 = KNO3 + PbCrO4 =>
K2CrO4 + Pb(NO3)2 = 2 KNO3 + PbCrO4
H2SO4 + MnO2 + NaCl = Cl2 + H2O + MnSO4 + Na2SO4 =>
2 H2SO4 + MnO2 + 2 NaCl = Cl2 + 2 H2O + MnSO4 + Na2SO4
H2(SO4) + B(OH)3 = B2(SO4)3 + H2O =>
3 H2(SO4) + 2 B(OH)3 = B2(SO4)3 + 6 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Br2 + H2 = HBr =>
Br2 + H2 = 2 HBr
Fe2 + CaCl2 = Fe(Cl2)3 + Ca =>
Fe2 + 6 CaCl2 = 2 Fe(Cl2)3 + 6 Ca
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Mg + B2O3 = MgO + B =>
3 Mg + B2O3 = 3 MgO + 2 B
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Cl2 + Fe = FeCl3 =>
3 Cl2 + 2 Fe = 2 FeCl3
Na2S2O3 + HCl = NaCl + SO2 + S + H20 =>
10 Na2S2O3 + 20 HCl = 20 NaCl + 15 SO2 + 5 S + H20
Fe(No3)3 + KSCN = Fe(SCN)3 + KNo3 =>
Fe(No3)3 + 3 KSCN = Fe(SCN)3 + 3 KNo3
HCOOH + KCl = KCOOH + HCl =>
HCOOH + KCl = KCOOH + HCl
CH3COOH + KOH = CH3COOK + H2O =>
CH3COOH + KOH = CH3COOK + H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
FeSO4 + ZnCl2 = FeCl2 + ZnSO4 =>
FeSO4 + ZnCl2 = FeCl2 + ZnSO4
HCOOH + KCl = HCOOK + HCl =>
HCOOH + KCl = HCOOK + HCl
Ba(OH)2*8H2O + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2*8H2O + 2 NH4SCN = Ba(SCN)2 + 10 H2O + 2 NH3
FeS + HCN = FeCN + HS =>
FeS + HCN = FeCN + HS
H2SO4 + MnO2 + NaCl = Cl2 + H2O + MnSO4 + Na2SO4 =>
2 H2SO4 + MnO2 + 2 NaCl = Cl2 + 2 H2O + MnSO4 + Na2SO4
HNO3 + NaCO3 = HCO3 + NaNO3 =>
HNO3 + NaCO3 = HCO3 + NaNO3
HCl + Mg = MgCl2 + H2 =>
2 HCl + Mg = MgCl2 + H2
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(g) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe + CaCl2 = Fe(Cl2)3 + Ca =>
Fe + 3 CaCl2 = Fe(Cl2)3 + 3 Ca
(NH4)2SO4 + NaOH = H2O + NH3 + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 H2O + 2 NH3 + Na2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2CrO4 + H2So4 = Na2Cr2O7 + Na2So4 + H2O =>
2 Na2CrO4 + H2So4 = Na2Cr2O7 + Na2So4 + H2O
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
CoS2 + O2 = Co2O3 + SO2 =>
4 CoS2 + 11 O2 = 2 Co2O3 + 8 SO2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
HCl + NaClO = Cl2 + H2O + NaCl =>
2 HCl + NaClO = Cl2 + H2O + NaCl
HCl + Mg = H2 + MgCl2 =>
2 HCl + Mg = H2 + MgCl2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
BaCl + MgSO4 = BaSO4 + MgCl =>
BaCl + MgSO4 = BaSO4 + MgCl
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