Search results

C. The ratio of neutrons to protons. Possibly, there is always something to do with ammonia in the paper. Common name - vinyl chloride. Systematic name - chloroethene.

high 70s

How do vehicles contribute to acid rain?

I think his referring to Polysytrene and how you might get asked a question relating its properties to its use.

I have a feeling there will be 4 marks on ethylene

True, but testing knowledge, you never know, might pop up.

Haha nah nah I'll do the paper when carrot puts them up

The question says "Hence Show that," did you use previous result?

What is the point of all nighters if you're eventually going to fall asleep during the day? The best is to study throughout the day from now until the HSC with breaks in between of course. Have at least 8 hours of sleep to regenerate. Do past papers, and refine areas in each subject which...

Soz . ahahaha

Oh yeah true yield! Forgot, thanks! :D Hmmmm why do the products of chemical reactions such as combustion need to be monitored?

With the HSC fast approaching, i think a good way to expand and test our knowledge is through asking and answering questions. Only CORE modules. Explain the need for monitoring the products of chemical reactions such as combustion.

A biopolymer is a naturally occurring polymer generated by natural resources like plants and microorganisms. Biopol is made by feeding the bacteria alcaligenus eutrophus on a nutrient rich diet of glucose until large colonies form. Glucose is then withdrawn from their diet and the bacteria will...

Electrode is a conductor which allows electrons to pass from an external circuit to a half-cell or vice versa

When you integrate something and get ln something, you always put absolute value signs if there is a bound. Forgot the reasoning, however i don't think you don't need to know, just remember to do it.

Haber's discovery was significant and important at the time as it established a clear and industrial method of forming ammonia, rather than having to rely on guano extracts (bird droppings) from Chile. When Germany wanted to engage in war, the allies of Chile, being the British, cut off the...

I was looking for an answer, not which paper the question was from :p

What was the significance of Haber's discovery during the time?

Past papers

hahah it was too mean :p