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Lel I hate doing these questions for practice, they waste so much time. If you think the answers are wrong they probably are.

*facepalm*

ahaha all good.

Potentially yes. I never paid much attention to why it is used but yeah I'm assuming it's also because it produces CO2 (fizzing) since acid + carbonate gives you salt + CO2 + water, and by using NaHCO3 as amphiprotic/amphoteric substance, the heat released in the exothermic neutralisation...

Oh sorry sorry! Yeah it was not great with wording

bs how can you give me 2/7 for that?

woops

hi new here

lol awks

nah that's fine. btw are you gonna ignore bandler and suu kyi because they've been tested already?

produce ester: let's make ethyl butanoate 1) Add 30 ml Ethanol and 20 ml butanoic acid to a round bottomed flask. Excess of the ethanol is added coz it's cheaper #cheapos 2) Add 5ml of concentrated sulphuric acid (as a dehydrating agent to shift the equilibrium in the forward direction -->...

why are these questions so easy :( sorry but like yeah. NO shipwrecks is easier than industrial by far. No calculations, nothing. All rote and stuff. Since no one is answering, btw how many marks?

are there any shipwrecks people here? mostly seems industrial

None of them are on I think. Probs worried about the next exam

^

u w295t m9??

When do they finish the first exam?

Lel if OP's looking for a serious answer, she aint gonna get it

SORRY soryry I didn't realise you do 2 unit lol. Yeah get a 2u book then,

I feel you bro. I pretty much scribbled all over the book and ripped pages coz it was so annoying lol. Please don't use it. Don't bother finding which questions are 2 u and don't buy a 2u book (save $$). Just when you finish a topic open up past 3 unit and 2 unit papers and do em, then you'll...