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There's almost certainly ~2000 in PSYC1 but not in B. Psych.

Not really. It was surprising to see Girraween break into the top 10 so a fall wasn't unexpected.

Brian Schmidt and Karl Stefanovic.

Re: HSC Chemistry Marathon 2017 I have made some changes so you can see what it might look more like (not complete, but still). A few points: 1. A lot of changes to be made here, you can definitely improve your writing skills. You need to think about using less words to convey the same...

Re: HSC Chemistry Marathon 2016 -ide is usually an elemental ion (eg fluoride/F-, chloride/Cl-, azide/N3-). -ide and -ate: when an element forms two different oxyanions (a polyatomic anion that contains oxygen), the one with less oxygen is -ite while the one with more oxygen is -ate (eg...

This. On a related note, temperature affects things like solubility of oxygen. If the temperature of water changed as much as air, the amount of oxygen could range from very high to very low, killing organisms. Further, temperature will affect rate of chemical reactions in an organism.

Re: USYD Chatter Thread - Semester 1 2016 Probably worth mentioning that you're interested in moving on to honours. Either way, most places give a lot of weight to grades.

DeltaH refers to the change in energy of the products vs reactants. If the final products have a total energy that is LESS than the reactants, energy must have been released. The opposite for endothermic reactions.

You can double major but in your third year, you won't have any electives. In your second, you will have at most, four electives.

Not really that mathematical...

Re: HSC Chemistry Marathon 2016 Top middle is a ketone. The -COOH denotes a carboxylic acid.

What you said is also technically wrong. If you measure it, both bonds are absolutely identical. Resonance is NOT a swapping effect (that would be an equilibrium). The strength of both bonds will be the average of what a double bond and a single bond would be (approximately 1.5 bonds).

The dot means that the crystals that formed were made so the crystal structure contains both of those molecules at a particular ratio. That is, the crystal structure is still repeating but it contains both compounds. This is why different hydrates of what otherwise appear to be the same compound...

Just be careful with words like "definitely" because the situation is not clear - they haven't said they have access to other reagents and hence, it's still possible that 6 M HCl is still their only choice or if they only had other strong acids.

Re: USYD Chatter Thread - Semester 1 2016 I don't think how I feel about university education can be accurately described as a right nor a privilege.

The Pt is an inert electrode.

I'd say it's a pretty average response but also a bit wrong. There's many problems with using HCl to neutralise NaOH spills: 1. Neutralisation is exothermic, strong acids and strong bases can have a violent reaction and produce a lot of heat (main problem). 2. Excess HCl is a problem since it's...

Re: USYD Chatter Thread - Semester 1 2016 I disagree. If anything, the fact that you paid around $9000 per year (plus your future tax money going to the university) makes you a part of the university and thereby giving you good reason to complain when the university invests in things that...

Sydney School of Public Health - straight in to their disabled toilet.

Re: USYD Chatter Thread - Semester 1 2016 Aren't all universities in Sydney invested in fossil fuels?