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  1. R

    HSC Chemistry SOLUTIONS / Thoughts / Predictions

    ok thanks for the clarification!
  2. R

    HSC Chemistry SOLUTIONS / Thoughts / Predictions

    I figured something was missing... So the second last step to the last one, that's where you multiply by molar mass...?
  3. R

    HSC Chemistry SOLUTIONS / Thoughts / Predictions

    Hello, can someone please help with part 2.
  4. R

    Perms and Combs HSC question

    Thank you!!
  5. R

    Perms and Combs HSC question

    That logic makes sense but the answer is 54 :/ Im guessing the calculation is 3 x 2 x3 x3 but idk how they came about those numbers
  7. R

    Perms and Combs HSC question

    Can someone please help me with this question? I think its a past HSC question. A motorway pay station has five toll gates, three of which are automatically operated and two of which are manually operated. Drivers with the exact money can use any one of the five gates, but drivers requiring...
  8. R

    Essay on Argo

    Essay answering the statement “Storytelling is the calculated release of information.”
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