Qualification > Sciences
extremely urgent!!
diba73:
since the gas is chlorine and it is soluble in the solution so it dissolves.
godfather93:
thanks! Another question from the same paper
Q4 (e)
diba73:
e)
(i) you have to double the value obtained for the temperature change in ex. 2 (u'll get -8 degrees) since double the mass of the solid was used.
(ii) you have to half the value obtained in experiment 4 since double the volume of the water was used. (less concentrated lower rate of rxn) you'll get -3 degrees
(iii) since the volume of the water is more (it is double the volume) for the solid to dissolve in.
godfather93:
so adding water lowers the concentration? But i thought that according to the kinetic theory the solid will collide more with the water molecules due to the increase in water molecules. :-\
I Jimmy I:
--- Quote from: sweetsh on May 08, 2009, 03:15:19 pm ---
--- Quote from: I Jimmy I on May 08, 2009, 03:09:49 pm ---WTF.....?
Its Chemistry...
Srry, I'm in the commerce stream :D (Accounting, Business St. and Eco.)
--- End quote ---
I know why you were banned for 10 days. And I was wrong when I removed the ban
--- End quote ---
U mean I got banned...?
When?
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