How did chem p31 go??

[libra94]

wow! my conc was 0.64!!

 

[princess123]

i g0t 21.7..! n my teachr t0ld dat the value shub be btwn 21.6 and 21.7...

diz z wt my tchr t0ld me..i dun00 if dat wud diffr frm lab 2 lab..!

 

[libra94]

i got 21.4 :O how many marks would that cost me?

 

[exampasser]

well anyways.....what were your temp rises for question 2?

 

[princess123]

i dunt remeba dat..! wt did u get??

 

[exampasser]

I think 49 degrees increase for the first one and 11 for the second.....hoping you guys got the same!

 

[libra94]

my delta H1 was -415!! hw abt urs??

 

[aislam17]

Well answers vary.

 

[exampasser]

yeah i think it was something like that!

the answer was :

delta H1 = delta H2 + (-226kJ) - delta H3

 

[libra94]

yeah i think it was something like that!

the answer was :

delta H1 = delta H2 + (-226kJ) - delta H3

yeah.

 

[arlery]

Guys please discuss the paper 24 hours after the exam. It's against XPF rules.

 

[sweetyrox]

I think 49 degrees increase for the first one and 11 for the second.....hoping you guys got the same!

Hw xum u got such a big difference??? I got 47 and 49 and so da mean i took was 48 degrrees..nd dats wat my classmates did...nd my titre value was 19.9 nd my teacher said da rite one is around 20...

 

[libra94]

@sweetyrox he meant that the first one (the mean)was 49
and the second one (MgO i think) was 11
but for the second one i got 24!!!

 

[sweetyrox]

@sweetyrox he meant that the first one (the mean)was 49
and the second one (MgO i think) was 11
but for the second one i got 24!!!

i gt 22 for da second one.11 is too les

 

[libra94]

@sweetyrox he meant that the first one (the mean)was 49
and the second one (MgO i think) was 11
but for the second one i got 24!!!

i gt 22 for da second one.11 is too les

yeah exacltlyy, 11 is too less!