Predictions for Chemistry 2014 HSC? (3 Viewers)

[faisalabdul16]

There is also another trend. As you go down the periodic table it becomes more "basic" and on the RHS, as you move up, becomes more acidic.

But I guess question wasn't worded correctly for you to pick up on that.

Next question??

 

[SuchSmallHands]

Ohh nice! Yeah also I find my option (industrial) relates to back to a lot of things learned in the core.

Yeah industrial seems to be relevant to heaps of the core! Chem of art doesn't have much cross over (only really this and part of waterway monitoring with water hardness) so I take advantage of all I can get haha

 

[SuchSmallHands]

There is also another trend. As you go down the periodic table it becomes more "basic" and on the RHS, as you move up, becomes more acidic.

But I guess question wasn't worded correctly for you to pick up on that.

Next question??

There has been an increase in the concentration of the oxides of nitrogen in the atmosphere as a result of combustion.
Assess both the evidence to support this statement and the need to monitor these oxides. (5 marks)

 

[screwuhsc]

what biopolymer u guys memorising?

 

[enigma_1]

There has been an increase in the concentration of the oxides of nitrogen in the atmosphere as a result of combustion.
Assess both the evidence to support this statement and the need to monitor these oxides. (5 marks)

lawl, done this question far too many times Someone else can answer

 

[enigma_1]

what biopolymer u guys memorising?

Biopol, you?

 

[screwuhsc]

can i do the honours?

 

[photastic]

lawl, done this question far too many times Someone else can answer

Talk about the Antarctic snow and the analysis for the oxides since prehistoric times.

 

[screwuhsc]

yea same its where consisting 2 monomers PHB and PHV right?

 

[enigma_1]

can i do the honours?

yeah sure

 

[enigma_1]

yea same its where consisting 2 monomers PHB and PHV right?

yeah that's right.

 

[screwuhsc]

actually ceebs that ahahh

 

[enigma_1]

actually ceebs that ahahh

ahah go brah, list out the points you would talk about then

 

[QZP]

There has been an increase in the concentration of the oxides of nitrogen in the atmosphere as a result of combustion.
Assess both the evidence to support this statement and the need to monitor these oxides. (5 marks)

Can someone post their notes or PM me them on this?? I really struggle with this dot point :/

 

[enigma_1]

Can someone post their notes or PM me them on this?? I really struggle with this dot point :/

Yeah sure, is it okay if I do it tomorrow morning if no-one posts? I will remember, dw. Just really sleepy sorry

 

[QZP]

Yup, thanks!

 

[enigma_1]

Yup, thanks!

Cool, no probs

 

[faisalabdul16]

Talk about the Antarctic snow and the analysis for the oxides since prehistoric times.

Other evidence you could talk about include -
- decreasing pH levels in waterways.
- erosion/corrosion of limestone monuments/buildings, apparent in USA.
- photochemical smog

Question: -There has been an increase in the concentration of the oxides of nitrogen in the atmosphere as a result of combustion.
Assess both the evidence to support this statement and the need to monitor these oxides. (5 marks)

Here's a question for you guys - You know how it talks about the need to monitor these oxides, and everyone talks about how it leads to acid rain and blah blah, explaining effects of acid rain. But for the monitor part, can't you also mention how ozone is formed and how it is a pollutant in the troposphere? Hence why we need to monitor oxides of nitrogen.

 

[photastic]

Other evidence you could talk about include -
- decreasing pH levels in waterways.
- erosion/corrosion of limestone monuments/buildings, apparent in USA.
- photochemical smog

Question: -There has been an increase in the concentration of the oxides of nitrogen in the atmosphere as a result of combustion.
Assess both the evidence to support this statement and the need to monitor these oxides. (5 marks)

Here's a question for you guys - You know how it talks about the need to monitor these oxides, and everyone talks about how it leads to acid rain and blah blah, explaining effects of acid rain. But for the monitor part, can't you also mention how ozone is formed and how it is a pollutant in the troposphere? Hence why we need to monitor oxides of nitrogen.

Yes you can which is why the combine ozone with monitoring oxides, EVERY MODULE LINKS WOOOOO.

 

[faisalabdul16]

Yes you can which is why the combine ozone with monitoring oxides, EVERY MODULE LINKS WOOOOO.

I was just thinking, and I've never seen sample answers refer to the production of ozone.