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I got 91 for chem and was expecting 95ish tbqh, also 86 for phys when I was expecting around 93

Correct me if I'm wrong, but aren't there probes that are able to detect nitrates/phosphates?

Thanks 11 - misread :( 20 - Took it as PbCl instead of PbCl2. Ah well, only 2 mistakes (or 3 depending on Q 12)

Aside from Q12, anyone want to explain to me why my answers are wrong? (Posted on the front page, seem to disagree with most answers on a few q's)

Your answer is correct. I made a mistake (got 0.04 moles instead of 0.004) :(

Except that would mean you start counting from the chain closes to the Cl, meaning it would be 2-chloro-3fluorobutane

They're not meant to :P. From my understanding, 2-chloro-3-fluorobutane should've been the answer, but it wasn't there.

Something around 25 I think

I was fairly confident with my answers too (most is the same), looking through differences now

My Answers: 1B 2D 3A 4C 5B 6C 7D 8D 9B 10B 11C 12B 13D 14A 15C 16A 17C 18C 19A 20B

In unviersity level, yes. From HSC content - no (Electronegativity takes preference over alphabetical in university naming)

10 wasn't the peak, ~8 was. If you use 8*10^-6 you get B.

If you mentioned that it would accelerate at an accelerating rate, probably. (The value of g increases as the object falls).

I had 5C and 7B

The earth spins at a (fairly) constant rate, the further away an attached object is from earth, the faster it moves. Therefore, it has a velocity relative to earth, allowing it to enter orbit through centripetal force. That's my understanding anyway

Re: General Thoughts: Physics This lol

The mass on the tower on the equator would have a higher velocity than earth's rotation, allowing it to stay up and orbit. The mass on the tower of the north pole has no velocity relative to earth though

Yeah, that's pretty much what I had, since it would be released at the same velocity of a geostationary satellite.

Did people put the object dropped from the tower at the equator will orbit the earth, and stay motionless relative to the tower? I've spoken to 30ish people about it, everyone had something different :(

Re: probability question You'll should get them :)