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I would give mine a 3/4 too because I didn't discuss the damages of very low/high BOD (which is part of the reason we must monitor BOD to ensure an optimal level)

I liked your part about monitoring and I think it would achieve full marks. But not necessarily the BOD test (you missed the entire part about a control sample?)

Describe the nebulisation of the prepared solution and explain the need for the flame in AAS (3)

Yeah definitely needed why high BOD is bad

What's with the tone? Genuine question how do you harvest crops? I thought it was all mechanical...

- BOD measures the biological activity of aerobic organisms (e.g. bacterial decomposition of organic waste) and is affected by many factors including TDS, pH, etc. - Thus, BOD provides an evaluation of water quality as an optimally BOD indicates a healthy aquatic ecosystem. Excessively high BOD...

- Energy of fermentation from fossil fuels? What!? It isn't an energy intensive process - What do you mean crop harvesting involves burning fossil fuels lol

Alright. Cools! I have some stuff to clear up: "Discuss the potential of cellulose as a raw material in the petrochemical industry" So focusing on the cellulose decomposition to glucose --> fermentation to ethanol --> dehydration to ethylene I know first and 3rd step is uneconomical due to...

In that case I believe secchi disc is a qualitative test since it only gives relative turbidity (distance of string)

I thought turbidity tube / secchi disc was a qualitative test

Have you seen english L0L

In preparation for those collaboration long responses, its good to know them so you can BS

Are there any other branches of chemistry I've missed? - Analytical - Environmental -Industrial -Polymer -Biochemistry -Metallurgy -Nuclear

There is way too many people talking at once here

Cl2 is acidic? what

jokes on you its not wrong, if anything more correct because it shows the solubility of CO2 increase pressure results in increase dissolution (note only gaseous on LHS) increase temp decreases dissolution (since dissolution exothermic)

jokes on you its not wrong, if anything more correct because it shows the solubility of CO2 increase pressure results in increase dissolution (note only gaseous on LHS) increase temp decreases dissolution (since dissolution exothermic)

Guys why is co2(g) <--> co2(aq) a wrong equation!@?!@?!@?!?@!@?!@!@!

where did you learn this (don't say sample answer pls). cus i cant find anything about that in textbooks

Istudent y u no reply skype