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Zn + 2 CuC = ZnC2 + 2 Cu
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
KMnO4 + Na2SO3 + H2SO4 = MnSO2 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 9 Na2SO3 + 3 H2SO4 = 2 MnSO2 + 9 Na2SO4 + K2SO4 + 3 H2O
CuOH + NH3 = Cu(NH3)4 + OH =>
CuOH + 4 NH3 = Cu(NH3)4 + OH
Li + N = LiN =>
Li + N = LiN
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH3COOC3H7 + NAOH = CH3COONA + C3H7OH =>
CH3COOC3H7 + NAOH = CH3COONA + C3H7OH
H(NO3) + Sr(OH)2 = Sr(NO3)2 + H2O =>
2 H(NO3) + Sr(OH)2 = Sr(NO3)2 + 2 H2O
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
CHCOOH + C3H8O = CH3COOCH2CH3 + H2O =>
6 CHCOOH + 8 C3H8O = 9 CH3COOCH2CH3 + 2 H2O
S + O2 = SO2 =>
S + O2 = SO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KAl(SO4)2 + H2O = KAl(SO4)2*12H2O =>
KAl(SO4)2 + 12 H2O = KAl(SO4)2*12H2O
K + H2So4 = K2So4 + H2 =>
2 K + H2So4 = K2So4 + H2
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
HCl + MgO = MgCl2 + H2O =>
2 HCl + MgO = MgCl2 + H2O
Cl + Al = AlCl3 =>
3 Cl + Al = AlCl3
Fe(s) + HCl(aq) = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + H2(g)
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
CaO + KOH = CaOH + KO =>
CaO + KOH = CaOH + KO
CO + O2 = C2O4 =>
2 CO + O2 = C2O4
CUO + H2SO4 = CUSO4 + H2O =>
CUO + H2SO4 = CUSO4 + H2O
C4H8N8O8 = C4 + H8 + N8 + O8 =>
C4H8N8O8 = C4 + H8 + N8 + O8
C2H5COOH + K2CO3 = KC2H5COO + CO2 + H20 =>
90 C2H5COOH + 40 K2CO3 = 80 KC2H5COO + 70 CO2 + 7 H20
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
AlCl3 + H2So4 = Al2(So4)3 + HCl =>
2 AlCl3 + 3 H2So4 = Al2(So4)3 + 6 HCl
HCl + Mg = MgCl + H2 =>
2 HCl + 2 Mg = 2 MgCl + H2
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
K + H2O = K(OH) + H2 =>
2 K + 2 H2O = 2 K(OH) + H2
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
HCl + MGO = MGCl2 + H2O =>
2 HCl + MGO = MGCl2 + H2O
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
(b)Fe2O3 + HCl = FeCl3 + H2O =>
(b)Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Ca3(PO4)2 + SiO2 + C = P4 + CaSiO3 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = P4 + 6 CaSiO3 + 10 CO
C2H5COOH + C4H9OH = C2H5COOC4H9 + H2O =>
C2H5COOH + C4H9OH = C2H5COOC4H9 + H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
NH3 + H2So4 = (NH4)2So4 =>
2 NH3 + H2So4 = (NH4)2So4
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
(c)K + O2 = K2O =>
4(c)K + O2 = 2 K2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
C7H5NO3S + O2 = N2O + SO2 + CO2 + H2O =>
2 C7H5NO3S + 16 O2 = N2O + 2 SO2 + 14 CO2 + 5 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na2HPO4 + NaOH = Na3PO4 + H2O =>
Na2HPO4 + NaOH = Na3PO4 + H2O
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