Explain why the reaction is exothermic by referring to the energy changes during bond breaking and bond making.
Complete the energy level diagram for this reaction. On your diagram include: the product of the reaction; an arrow showing the energy change, labelled $\Delta H$; an arrow showing the activation energy, labelled A.
State why a catalyst is added.
Describe and explain what happens, if anything, to the position of equilibrium when the pressure is increased.
Describe and explain what happens, if anything, to the position of equilibrium when the temperature is increased.
Use the information provided to calculate the bond energy of the C and O bond in carbon monoxide, CO.
Complete the dot-and-cross diagram to show the electron arrangement in a molecule of COCl$_2$. Show outer electrons only.