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2 KOH + H2S = K2S + 2 H2O
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
K + Br = KBr =>
K + Br = KBr
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
K + Br = KBr =>
K + Br = KBr
C4H4 + O2 = CO2 + H2O =>
C4H4 + 5 O2 = 4 CO2 + 2 H2O
Al(s) + Br2(g) = AlBr3(s) =>
2 Al(s) + 3 Br2(g) = 2 AlBr3(s)
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
Pb + FeSO4 = PbSO4 + Fe =>
Pb + FeSO4 = PbSO4 + Fe
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KMnO4 + KI + H2O = MnO2 + I2 + KOH =>
2 KMnO4 + 6 KI + 4 H2O = 2 MnO2 + 3 I2 + 8 KOH
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Li + S8 = Li2S =>
16 Li + S8 = 8 Li2S
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
CO + Fe2O3 = CO2 + Fe =>
3 CO + Fe2O3 = 3 CO2 + 2 Fe
H3PO4 + (NH4)2SO2 = H2SO2 + (NH4)3PO4 =>
2 H3PO4 + 3(NH4)2SO2 = 3 H2SO2 + 2(NH4)3PO4
HCHO + NH3 + HCN = N(CH2CN)3 + H2O =>
3 HCHO + NH3 + 3 HCN = N(CH2CN)3 + 3 H2O
H3Po4 + Ca(OH)2 = Ca3(Po4)2 + H2O =>
2 H3Po4 + 3 Ca(OH)2 = Ca3(Po4)2 + 6 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
CH3CH2CHCH2 + KMnO4 + H2SO4 = CH3CH2COH + MnSO4 + K2SO4 + H2O =>
15 CH3CH2CHCH2 + 8 KMnO4 + 12 H2SO4 = 20 CH3CH2COH + 8 MnSO4 + 4 K2SO4 + 12 H2O
Mg(NO3)2 + Na3PO4 = Mg3(PO4)2 + NaNO3 =>
3 Mg(NO3)2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaNO3
Mg + H2O = MgO + H2 =>
Mg + H2O = MgO + H2
C2H4 + H2O = C2H5OH =>
C2H4 + H2O = C2H5OH
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C2H5COOH + Na = C2H5COONa + H2 =>
2 C2H5COOH + 2 Na = 2 C2H5COONa + H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CaF2 = Ca + F =>
CaF2 = Ca + 2 F
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H2O =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H2O
NO + CO = N2 + CO2 =>
2 NO + 2 CO = N2 + 2 CO2
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
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