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Since it's strong acid strong base, it will completely ionise with a final pH of about 7 (usually). So you need some excess hydrochloric acid which will lower pH down to 1. Basically, figure out the volume of HCl needed to fully neutralise the NaOH, then using moles and stuff, figure out how...

Bro, my teacher put this question in one of our assessment tasks. I just talked about esterification. Selection of reagents: Alcohol and carboxylic acid. I did methanol and butanoic acid, since we used those in our ester prac in class. Reaction conditions: Must be under reflux, plus using a...

Well, NESA marking guidelines for chem and phys are known for being stupidly over detailed, incomplete, poorly written, or irrelevant to the question. So I'm not surprised they didn't include multiple answers.

Private tutoring is good. I also did Matrix, for term 2 physics and it was good, but now, after trials and coming closer to HSC, private tutoring is better. I got this guy named Ross, teaches at Baulko, and writes their trial papers. Pretty good guy. Don't know what his contact details are...

Yeah, Cambridge is good. My school uses it. It also comes with an ebook version.

Anyone here do music 2 as a subject?

I start my prelims this friday, starting with English advanced. most worried about chem, phys, and maths ext 1. Has anyone done, or is doing the independent prelim papers?