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does anyone know and chemical reactions that release sulfur dioxide or oxides of nitrogen and their equations.. obviously there is the usuall ones of extracting sulfur from metals but wat about combustion of fossil fuels??

when enzymes arent workng effiecently wat does the metabolic rate slow down. organ functioning?? and sutf flike that???

does anyone have a list of pure substances that dissolve in ethanol

because methylated spirits is 95% ehtanol. would the same property apply??

why do some chemicals dissolve in ethanol and some dont?? is it because of polarity where polar substances will only dissovle in other polar substances?

haha thankyou that helps heaps.. wat sort of substances do u think i should use?? i was thinking becuase they have to be as close to pure as they can be that i will use bicarb soda, citric acid (lemon juice) and the blue crystals that u can buy at a hardware store lol im having a mind blank...

what were your concepts for composition???

i dunno if we all get the same assessment task but i have one for this subject. i have to try to find solubility of pure substances in ethanol (alcohol) anyone got any ideas???