Search results

Pdhpe, a subject that is most understandable and relates to everyday life

re: HSC Chemistry Marathon Archive Paper scanning will pick up our pencil diagrams and tables?

re: HSC Chemistry Marathon Archive Aren't we only supposed to use dark pen in all external hsc exams? Is pencil even allowed?

re: HSC Chemistry Marathon Archive I use pencil but seeing that they scan hsc exams my diagrams won't pick up. wtf

Take the average which is around 0.32mL

reliability If you repeated the experiment and received constant results or results that are close to each other accuracy If you recognised the end point properly and correctly read the amounts used in the neutralization validity It must be a fair test where there are constant controlled...

Thanks Zhertec. I'll follow your suggestions and as well leave a couple of days gap before I mark to be less biased

Rephrasing the question, I need answers. Should I compare my sample hsc responses to (a) sample answers from past hsc exams (b) sample answers from hsc past paper books (excel success one) (c) Info from textbooks; or else there will be a bombardment of answer comparison

haha, I confused myself big time but got there in the end. Thanks everyone for the help

Can you post a diagram?

sigh, I don't know what to do with the brackets help...

times it to both sides so50(0.004375)\times 1.004375^{n} - ( 1.004375^{n} - 1) =0

500000\times 1.004375^{n} - \frac{\left [ 10000\left ( 1.004375^{n} - 1 \right ) \right ]}{0.004375} =0 50\times 1.004375^{n} - ( 1.004375^{n} - 1) =0 To clarify, am I allowed to take out the bracket then later take 1.004375^{n} when factoring? So that becomes 50 \times 1.004375^{n} -...

thanks man

that's it, ~57 months, how is your working out?

Apologies for the typo 500000\times 1.004375^{n} - \frac{\left [ 10000\left ( 1.004375^{n} - 1 \right ) \right ]}{0.004375} =0 Yup it's consumer, asking about when the amount owning is equal to zero

I'm having a bit of trouble here 500 000 x 1.004375^n -[10 000 (1.004375^n -1)]/ 0.004375 How do I isolate and find n?

Hi, first post. I recall my teacher saying after a certain year that the syllabus got a lot of content rid of, so how far back should I go in practising past hsc questions? I also have my hands on Success One and Chemistry Dot Point and then can get sample answers off past hsc exams (only 2012...