HSC Chemistry and Physics Syllabus Dot-Point Notes

The way the HSC is structured is in terms of syllabus• Described that synthesis of ammonia occurs as a
dot-points that are easy to read and understand. Thisreversible reaction that will reach equilibrium.
helps HSC students because as their HSC trials and• Identify the reaction of hydrogen with nitrogen as
final HSC exams approach, the syllabus itself can be aexothermic.
useful study tool.• Explain why the rate of reaction is increased by
Structure of the HSC syllabushigher temperature.
For HSC sciences like Chemistry and Physics, theThe first 5 dot-points of this second section found in
syllabus is a very useful study tool that students shouldChemical Monitoring and Management all deal with
use in preparing for their exams. Exams for thesedescribing ammonia, its basic structure and the
subjects MUST only contain questions that testchemical reactions that are associated with it. When
knowledge within the bounds of the syllabus - that'sstudying, students need to check that they understand
how our NSW HSC works.each dot-point individually, as well as the bigger picture
Each 'dot-point' is a requirement for HSC students tothese dot-points highlight, in terms of fully understanding
understand a certain point, concept or issue. Together,the general properties of ammonia.
these dot-points form the content of the entire subject.Experiment dot-points
However the beauty of the syllabus is the way it isThe syllabus also requires students to conduct
broken down into separate points, allowing students to"first-hand investigations", or "gather secondary
study them individually, making sure each dot-point isinformation" to find out more about a particular topic.
understood.Where these dot-points relate to experiments /
Cover ALL the dot-pointspracticals conducted in your school lab during class,
Because HSC exams (and school internal exams)HSC exams can and often do ask questions
must only test knowledge contained within the syllabus,concerning the major aspects of these experiments /
studying all the dot-points is a pretty safe andpracticals.
comprehensive study strategy if done correctly.Therefore it is highly important to pay attention to what
It is a good idea for all students to make their ownis going on during one of these experiments /
syllabus dot-point summary notes nearing the end ofpracticals.
the year in preparation for their exams. This reinforcesOf particular relevance to HSC exams, students
their knowledge of the dot-points, and highlights areasshould always note the following three things:
of weakness in their knowledge. Sometimes, only1. What was the basic procedure followed, including
when you need to write about a certain concept doequipment used?.
you realise you don't quite fully understand the concept.2. What were possible sources of error (if relevant).
Understand the connections between dot-points3. What were the risks to safety, and what
It is important to note that syllabus dot-points should notprecautionary measures were taken? (e.g. the need
be looked at in isolation. Most dot-points are in somefor safety goggles, gloves, tongs etc).
way connected to other dot-points. For example, theyFor experiments / practicals that are a syllabus
may be dealing with aspects of a larger concept, topicrequirement, HSC exam questions often ask students
or issue, or they may describe a larger concept orto discuss one or more of the points listed above. For
issue together, therefore they should not be looked atexample, a common one may be 'Outline the
in isolation.procedure you followed to demonstrate the production
A good example is shown here:of an ester" or "Account for the use of a fractional
Chemical processes in industry require monitoring anddistillation column in your procedure to produce an
management to maximise productionester."
Students learn to:Therefore in your study of the syllabus, it is important
• Identify and describe the industrial uses ofto not neglect the "first hand investigation" dot-points,
ammonia.as they may very likely come up as a question in your
• Identify that ammonia can be synthesised from itsexams!
component gases, nitrogen and hydrogen.