All Questions

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0answers
6 views

what is the basicity constant and how is it calculated?

what is the basicity constant and how is it calculated?
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0answers
11 views

How important is ‘formatting’ to examiners?

The 2008 Math methods VCAA exam presented the following question: Let y = (3x^2 – 5x)^5. Find dy/dx The examiner's solution was: Let f(x) = (3x2 – 5x)^5 = u^5 , u = 3x^ …
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1answer
4 views

How do i get a VCE ATAR over 50?

What marks are required to get an ATAR over 50? I need a 50+ and my sac scores so far for most subjects are probably around 75% with maybe 2 that are 80+ %. If i do well in exams w …
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1answer
25 views

How to respond to such a prompt?

"When encountering conflict, people are forced to face their fears" I have a SAC on monda nd i am completely blank for ideas and dn't know what to do. Our text is the crucible. I w …
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1answer
6 views

Faraday’s equation

Regarding Mr. Daniel Faraday's equation for the average emf What does the A stand for? If it is 'area' as I'm guessing, how is that relevant to how it is derived from a theoretic …
1
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0answers
9 views

Questions regarding the 2008 CHEM exam 2

In the short answer section, question 6: "the value in JKmol-1 of deltaH for the reaction written is asked for. Where is this knowledge supposed to come from? Is this part of a num …
1
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0answers
22 views

VCE or IB (International Baccalaureate) - which is better?

I've been looking into studying IB in year 11/12 instead of VCE as I've heard it makes it easier to study overseas. What are the benefits of IB over VCE and can anybody do it? Do y …
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0answers
7 views

Making electricity from magnets

My book says: "magnetic force cannot increase the speed on the charge; it can only change it's direction at a constant rate". This is part of explaining how magnets can generate el …
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0answers
7 views

why electrolytes they migrate to the anode to carry charges?

why electrolytes they migrate to the anode to carry charges?
2
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1answer
23 views

Write half equations for (S2O3) ^(2-) + (2H+) -> S + SO2 + H2O

I think it's S2O32- + 6H+ + 4e- -> 2S + 3H20 S2O32- + H20 -> 2SO2 + 2H+ + 4e- Which one's the oxidation and which is reduction? Do we need states in half equations? Also, sho …
2
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1answer
11 views

Why does my textbook say that 'each electron must produce it’s own magnetic field"?

Context: Electrons travel around the nucleus of an atom in circlelike paths, so each electron must produce its own magnetic field.
4
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4answers
43 views

Is physics a guy kind of subject?

Is it true that physics is more appropriate for guys than girls?
4
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2answers
37 views

Should we always listen to our teachers?

Are teachers always right? Should we always listen to their judgement?
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1answer
13 views

How does x-inactivation affect the expression of traits that a female carries?

Consider a female who is a carrier of a disease. Does she express the traits of this disease at all? I'm confused by x-inactivation - couldn't it mean that ~50% of a carried trait …
2
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1answer
16 views

Is it normal to forget pretty much everything that you learn?

Since the day you start high school, you are expected to remember tons of work, and year after year, you pretty much forget everything that you learn over the years. Is it natural …

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