The enthalpy of adsorption of ammonia on a nickel surface is found to be -155 kJ mol^-1. Estimate the mean lifetime of an NH3 molecule on the surface at 500 K; assume τ0 = 1.0 × 10^-14 s.
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We are given the enthalpy of adsorption, which is the energy change when a molecule is adsorbed onto a surface. In this case, it is -155 kJ/mol for ammonia on a nickel surface. Show more…
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