General thoughts: HSC chemistry 2015 (1 Viewer)

[hawkrider1]

Was an ok test. A little harder than last year tho. What's the predicted alignment for a band 6?

 

[hawkrider1]

Also a serious thread this time haha. Apologies for my shenanigans yesternight.

 

[iforgotmyname]

That natural indicator question tho. And is a line graph a line of best fit or just connect the dots

 

[Catz]

Exam was alright like some of the questions were a bit weird but the rest was fine. What was K for industrial chem 3mrker?

 

[Bump]

I accidentally left the graph in pencil, will they still be able to see it?

 

[hawkrider1]

I accidentally left the graph in pencil, will they still be able to see it?

Yeah they should be. If they can't, they'll dig up the actual,copy and mark it from there

 

[hawkrider1]

What did we say for the cost and practicality of battery cells

 

[porcupinetree]

Exam was alright like some of the questions were a bit weird but the rest was fine. What was K for industrial chem 3mrker?

I got 10.6?

 

[hawkrider1]

And that ozone in the stratosphere question too. Such a small part of the syllabus

 

[lpodtouch]

I accidentally left the graph in pencil, will they still be able to see it?

I think they should. I asked the supervisor about using pencil and she said it was fine.

 

[hawkrider1]

I got 10.6?

Yes!!

 

[Bump]

Does anyone remember if the graph was meant to be plotted or did we have to draw a line of best fit? I might have lost some easy marks

 

[hawkrider1]

Does anyone remember if the graph was meant to be plotted or did we have to draw a line of best fit? I might have lost some easy marks

I used a straight line. Not sure what I was thinking haha

 

[iforgotmyname]

wtf is a line graph. I took the meaning literately and drew a line

 

[lpodtouch]

I used a straight line. Not sure what I was thinking haha

What were we meant to do? I was so confused!

 

[I97]

Pretty easy exam if you knew the syllabus in depth, annoyed at doing the buffer/acetate part b wrong and also fairly sure my K was wrong in industrial. Also not quite confident with all my modifications to the lawn fertiliser prac but other than that was quite a good exam.

 

[Ekman]

I got 10.6?

Yes I got this as well. I justified it by saying that k constant only changes due to a change in temperature only, and I tried substituting initial concentrations and it was 10.6. I of course did working out for calculating the concentrations after it reached equilibrium due to the change in volume, but I found it weird that they would give 3 marks for a question you can justify due to the k constant rule and using initial conditions

 

[chauder]

I got like 90 for k... anyone else get like 46% for lawn fertiliser?

 

[I97]

Yes I got this as well. I justified it by saying that k constant only changes due to a change in temperature only, and I tried substituting initial concentrations and it was 10.6. I of course did working out for calculating the concentrations after it reached equilibrium due to the change in volume, but I found it weird that they would give 3 marks for a question you can justify due to the k constant rule and using initial conditions

lol this is what threw me off. I thought K wouldnt change since no temperature change but then i saw 3 marks and didnt think id get it with that. So i did the calculation wrong and think i got around 5.3...

 

[Catz]

So what do you think about aligning... Better than last year?