Having done chemistry this year, I feel as though fuels is a really minor part of the course, consisting primarily of rote learning. I would encourage you to consult the textbook, any notes you have or videos (eg. edrolo) and make your own set of notes, while addressing each point of the chemistry study design:
http://www.vcaa.vic.edu.au/Documents/vce/chemistry/ChemistrySD-2016.pdf - definition of renewable, non-renewable
- biofuels, green-house gases, advantages/disadvantages
- analysis questions and case studies (eg. checkpoints)
Overall, fuels is able to be covered fairly independently from formal teaching.
REDOX, however, requires an
in-depth understanding and is in my opinion, far more important for the chemistry course as it relates to topics later on in the course. Once again, i would encourage looking at the textbook/notes/videos/study design and familiarising yourself with equations, possibly going into checkpoints or practice questions. Remember your goal is not to get the
correct answers , but ultimately truly
understand what processes are occuring and why; this will be far more valuable in both VCE and beyond.
This is far harder to learn independently and you may struggle to grasp the concepts entirely. But don't worry, there's plenty of time!! Remember that any work you do now will help you significantly during the year when you are pushed for time, so i would definitely say that any study you undertake during the holidays is time well spent. You will be very thankful later on!
Only other thing i would say is check with your school what resources they have access to (edrolo, TSSM, jacaranda etc). All highly recommended and very useful.
If you are struggling to find helpful content PM me and I can look through my files and email you some worthwhile content.
I hope you're enjoying chemistry, I think it's a very interesting course ... as the year progresses i'm sure it'll all begin to make sense (hopefully)!!