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For our prac exam we are titrating NaOH with oxalic acid. This will then be used to titrate acetic acid. According to the steps our teacher gave us each student had to make a NaOh solution by mixing 2g of NaOH in 500 mL water. This is then titrated. Unfortunately when I was doing my prac I...

At school we are making a standard solution of oxalic acid and using it to titrate NaOH. I made mine in a volumetric flask and made it up to the mark; then I transferred my solution from the flask into a bottle using a funnel. Unfortunately the funnel was slightly wet and when transferring...

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I know the definition but I want to know what it actually is. There are barely any resources available on this online and I'm very confused. Also do osmoregulators do enantiostatsis and if yes then how? Or do they do homeostasis?

I need my creative marked and edited right NOW!! Anyone interested please PM me with your credentials.

Is it okay if your creative for belonging is based on a historical event?

A group of students decided to use AAS to analyze three different brands of iron tablets to determine their content. They placed a tablet in a 100 mL beaker with 6 mol/L HCl and covered it with a watch glass and heated slowly for 15 min. They then filtered the solution into a 250 mL volumetric...

I know it helps to know where the formula came from but for the HSC do you have to know the proofs for different formulas by heart?

Can we be asked to do momentum calculations for the following dot point: Analyse the changing acceleration of a rocket during launch in terms of the: – Law of Conservation of Momentum – forces experienced by astronauts

Can we write statistics published in 2011 for the 2013 paper or not?

I wrote an essay for English and gave a draft to my teacher who is also a HSC marker. She gave me 19/20 and told me it was very concise and she liked it a lot. Then I gave the same essay to another teacher to mark who gave me 14/20 and told me that my structure was wrong. So I am extremely...

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I have seen everyone on BOS and my school say that Bio is a science for dummies and how it's really easy and based on rote learning etc. but I just can't seem to get any marks in it. I do really well in Economics, Chemistry, extensions maths and all the harder subjects but when it come to Bio...

A satellite of mass 750kg is changed from an orbital radius of 7000 km to a geostationary orbit of 4.2*10^4 km. Calculate the change in its gravitational potential energy. The answer is 3.7* 10^8 but I have no idea how to get this.Please help.

How do you connect your thesis statement to the question. So for example if the question is about place and you thesis is something like " A sense of belonging comes from within". How would you connect them both to answer the question? Really confused.And our teacher hasn't really helped us much.

When analyzing a visual text like a documentary what are some of the visual techniques that you can refer to?

A space shuttle orbiting at an altitude of 270 km orbits Earth exactly 16 times a day. An astronomer observes a satellite passing over her position on ground once every two hours. calculate the orbital radius of the satellite?

I live in the middle of nowhere and its extremely hard to find any tutors especially for science subjects. I was wondering are there any online tutoring services which could provide me a tutor who would teach me online.

What are some of the main themes explored in Peter Skrzynecki's poetry?

Does failing to follow an experimental procedure correctly affect validity or accuracy?