(a)[2]
Complete the chemical equation for the reaction of FeCuS$_2$ with oxygen. $4\text{FeCuS}_2 + 13\text{O}_2 \rightarrow$ ____________ + ____________ + ____________
(b(i))[2]
State two characteristics of an equilibrium.
(b(ii))[2]
State the temperature and pressure used for this reaction. Include units.
(b(iii))[1]
Name the catalyst that is used.
(b(iv))[1]
Explain why a catalyst is used.
(b(v))[2]
Describe and explain, in terms of equilibrium, what happens when the temperature is increased.
(c)[2]
Complete the equation that represents the dehydration of glucose, C$_6$H$_{12}$O$_6$. C$_6$H$_{12}$O$_6 \rightarrow$ ________ C + ____________