Figure 2 shows the displayed formula equation for the reaction of hydrogen sulfide with oxygen. The table below shows some of the bond energies. In the reaction the energy released forming new bonds is 1034 kJ/mol greater than the energy needed to break existing bonds. Calculate the bond energy X for the bond. Use Figure 2 and the table above. -6111

Q1.

Figure 2 shows the displayed formula equation for the reaction of hydrogen sulfide with oxygen.

The table below shows some of the bond energies.

In the reaction the energy released forming new bonds is 1034 kJ/mol greater than the energy needed to break existing bonds. 

Calculate the bond energy X for the bond. 

Use Figure 2 and the table above. __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________

X = _______________kJ/mol (5)

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One thought on “Figure 2 shows the displayed formula equation for the reaction of hydrogen sulfide with oxygen. The table below shows some of the bond energies. In the reaction the energy released forming new bonds is 1034 kJ/mol greater than the energy needed to break existing bonds. Calculate the bond energy X for the bond. Use Figure 2 and the table above. -6111

  1. Bonds broken:
    4 × 364 + 3 × 498 = 2950 kJ

    Bonds formed:
    4 × 464 + 4X = 1856 + 4X

    Energy change equation:
    (1856 + 4X) – 2950 = 1034
    → 4X = 1034 + 2950 – 1856
    → 4X = 2128
    → X = 532 kJ/mol

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