How does a heterogenous catalyst work? (3 marks)
Reactants are adsorbed onto the surface of the catalyst (1). Bonds forms between the atoms and molecules on the surface (2), and the products desorb (3).
YP
Related Chemistry A Level answers
All answers ▸State an explain the result of an increase in temperature on the following equilibria: N2 (g) + 02 (g) <-> 2 NO (g) (delta H = +180kJmol-1)
What is meant by 'activation energy' ?
Given is a following reaction at equilibrium: N2(g) + 3H2(g) ⇄ 2NH3(g), ΔH < 0. What will be the effect of changing the following conditions on the system? 1. Increasing pressure. 2. Decreasing temperature. 3. Adding a catalyst. 4. Adding HCl(g).
What is Mass Spectrometry?