2N2(g) + O2(g) 

Describing the underlying chemistry, rationalise the use of DOPA-decarboxylase inhibitors.    (5 Marks)

A 20-year-old man has been prescribed fluoxetine by his GP for newly diagnosed depression. He has no significant past medical history other than a recent femur fracture (sporting accident).  Drug history: Tramadol 50mg QDS PRN, Paracetamol 1g QDS, occasional use of recreational drugs.  What would be the MOST appropriate course of action in relation to his prescription? 

Methadone was earlier marketed as a painkiller for treatment of severe pain. It is still occasionally used for pain relief, although it is more widely used now as a substitute drug for people addicted to other opiates.    Which of the following statements regarding methadone is CORRECT?

Indicate which of the following statements is NOT correct  with regard to reservoir controlled release systems:

The presenillin -1 (PSEN 1) gene associated with early – onset Alzheimer’s disease is found on which chromosome? 

How many groups are needed for this study design?  

According to the mechanism, below, for the decomposition of hydrogen peroxide, H2O2(aq): Step 1:  H2O2(aq) + Br–(aq)   

N2(g) + O2(g)  ⇄   2NO(g)                          Kc = 0.10 at 2000°C If a 1.0 L flask is filled with 0.22 mol of N2 and 0.22 mol of O2 at 2000°C, what is [NO] after the reaction establishes equilibrium?                              

For the titration of HF with NaOH, which location on the titration curve corresponds to the particulate diagram on the right?