Lady Luck doesn't seem to be with me today during Chem SPA Skill B & D assessment. Eh, to those readers who don't know what SPA is, it is just some lab skills and experimental results evaluation techniques. Gah. So today's question is the same as the practise lab experiments for the past 2 weeks… involving passing gas evolved from reactants into an inverted burette.
I waited for 3 minutes and no gas evolved although the reaction had started. The conical flask was stoppered well. The reagents are added in correct proportions. Reagents are shaken well before the experiment… what could have went wrong!!!
Sought help from Miss Chua. She stoppered the flask for me and again, no gas evolved. Oh great. She said the rubber tubing was leaking. Gah! :mad: I changed another one and repeated the experiment. And I still get NIL result. Looks like I am so unlucky that I got 2 rubber tubings that are leaking?! What the hell~
No time for experiments. I struggled to write Skill D evaluation. Then I used the remaining time to do the last experiment. It worked!!! :mrgreen: Yahoo~ but I have no time to do the second experiment (there are 2 to do in totla). So I just duplicated and slightly modified the results…
Argh~ I think I'll fail…
Ah, chemistry, I hate chemistry. Everything is expected to be perfect but when provided with crappy equipment what do they really want with you? Actually the whole making up the second set of data was the story of my biology labs, but it always seems what works in biology doesn’t fly so well in that darn chem class. Good luck.
how can u blog abt chem spa when not all classes have taken it. u r revealing the spa to them, this is an offence if the sch knows, haha.
haha i have sorta the same thing yesterday, and i tested oxygen the wrong way, cause we are doing the electrolysis thingy and i sorta let the oxygen out??? And i was doing the whole thing in front of teacher(im the only one doing it cause other ppl in my group doesnt know) n obviously she was judging us whether to give good marks or not. i guess i did bad too!! anyways, im sure u’ll do good teddy!! take care alrite
To Tee: Where got. Anyway the Chem tutors already mentioned that the Chem SPA will be like G1 and G2. So I didn’t reveal any details except the passing gas part. All pilot experiments we’ve done are all like that… haha ;) You blur ah…
To Denise & Melissa: Haha thanks for commenting :mrgreen: see you around…