In the energy diagram below, which letter represents the activation energy?

What is the maximum voltage that can be produced by an electrochemical cell with the following electrodes? a) Copper (I) and lead     (3 marks) b) Zinc and lithium     (3 marks)

Explain Le Châtelier’s Principle.   (2 marks)

A Brönsted -Lowry base is defined as a(an):

A 0.2 M solution of formic acid has a pH of 5.0.  What is its Ka value?

In which of the following reactions does HNO3 act as a base?

Consider the following table: What is the molecular shape of the following molecules?   (1 mark each) a)    H2S                                   b)    SF6                                   c)    BaF2                                 d)    PH5                                              

In an endothermic reaction:

What precipitate, if any, could be formed if sodium chloride is mixed with silver sulphate?

A home care plan specifies only the types of care provided.