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2 Fe + 3 CuO = Fe2O3 + 3 Cu
WO3 + PCl3 = WCl6 + P2O3 =>
WO3 + 2 PCl3 = WCl6 + P2O3
C3H + O2 = CO2 + H20 =>
20 C3H + 60 O2 = 60 CO2 + H20
MnO2 + O2 + KOH = K2MnO4 + H2O =>
2 MnO2 + O2 + 4 KOH = 2 K2MnO4 + 2 H2O
H2O + N2 = NH3 + O2 =>
6 H2O + 2 N2 = 4 NH3 + 3 O2
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
Mg2 + Ba(OH)2 = Mg(OH)2 + Ba2 =>
Mg2 + 2 Ba(OH)2 = 2 Mg(OH)2 + Ba2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
H2 + Cl = HCl =>
H2 + 2 Cl = 2 HCl
Ca + HNO3 = Ca(NO3)2 + N2 + H2O =>
5 Ca + 12 HNO3 = 5 Ca(NO3)2 + N2 + 6 H2O
C2H4 + H2O = C2H5OH =>
C2H4 + H2O = C2H5OH
MG + HCl = MGCl2 + H2 =>
MG + 2 HCl = MGCl2 + H2
HC3H5O3 + OH = H2O + C3H5O3 =>
HC3H5O3 + OH = H2O + C3H5O3
Zn + S = ZnS =>
Zn + S = ZnS
FeCl3 + H2SO4 + KBr = FeSO4 + Br2 + HCl + KSO4 =>
4 FeCl3 + 6 H2SO4 + 2 KBr = 4 FeSO4 + Br2 + 12 HCl + 2 KSO4
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
MG + HCl = MGCl2 + H2 =>
MG + 2 HCl = MGCl2 + H2
WO3 + PCl3 = WCl6 + P4O6 =>
2 WO3 + 4 PCl3 = 2 WCl6 + P4O6
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
KMnO4 + C3H6 + H2O = C3H8O2 + MnO2 + KOH =>
2 KMnO4 + 3 C3H6 + 4 H2O = 3 C3H8O2 + 2 MnO2 + 2 KOH
HCl + FeS = H2S + FeCl2 =>
2 HCl + FeS = H2S + FeCl2
C3H + O2 = CO2 + H2O =>
4 C3H + 13 O2 = 12 CO2 + 2 H2O
Al + NaOH + H2O = H2 + Na3[Al(OH)4] =>
2 Al + 6 NaOH + 2 H2O = H2 + 2 Na3[Al(OH)4]
H2S + HNO3 = S + NO2H2O =>
H2S + 2 HNO3 = S + 2 NO2H2O
V + H2O = VOH + H2 =>
2 V + 2 H2O = 2 VOH + H2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
HClO3(aq) + HBr(aq) = HCl(aq) + Br2(g) + H2O(l) =>
HClO3(aq) + 6 HBr(aq) = HCl(aq) + 3 Br2(g) + 3 H2O(l)
Zn + HNO3 + NaOH = Na2ZnO2 + NH3 + H2O =>
4 Zn + HNO3 + 8 NaOH = 4 Na2ZnO2 + NH3 + 3 H2O
LiBr + HCl = LiCl + HBr =>
LiBr + HCl = LiCl + HBr
FeS(s) + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg(s) + Br2(l) = MgBr2(s) =>
Mg(s) + Br2(l) = MgBr2(s)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
KCO3 = KO + CO2 =>
KCO3 = KO + CO2
Cl2 + H2O = HCl + HClO3 =>
3 Cl2 + 3 H2O = 5 HCl + HClO3
H2 + Cl2 = HCl2 =>
H2 + 2 Cl2 = 2 HCl2
CaCO3 + H3PO4 + H2O = CO2 + CaHPO4*2H2O =>
CaCO3 + H3PO4 + H2O = CO2 + CaHPO4*2H2O
Mn + Br2 = MnBr =>
2 Mn + Br2 = 2 MnBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
B + NaOH + H2O = NaBO2 + H2 =>
2 B + 2 NaOH + 2 H2O = 2 NaBO2 + 3 H2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Sb2O3 + NaOH = NaSbO2 + H2O =>
Sb2O3 + 2 NaOH = 2 NaSbO2 + H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
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