what is the basicity constant and how is it calculated?

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^ …

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 …

"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 …

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 …

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 …

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 …

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 …

why electrolytes they migrate to the anode to carry charges?

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 …

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

Is it true that physics is more appropriate for guys than girls?

Are teachers always right? Should we always listen to their judgement?

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 …

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 …