Qualification > Queries
ANY DOUBTS HERE!!!
sweetie:
ya got it :D
Thank You :-*
sweetie:
Which of the following would behave most like an ideal gas at room temperature?
A carbon dioxide
B helium
C hydrogen
D nitrogen
da answer for this is helium, but why cant it be hydrogen?
nid404:
Hydrogen is reactive..
It will have intermolecular force...they exist as diatomic molecules which is not close to being an ideal gas at all
ruby92:
o/n 2004 paper 2
Q 28
39(why is 2 wrong?)
35(why not 3)
34(why is 3 right, wont half filled orbitals have high IE values?)
33(why not 2 and 3)
m/j 2004 paper 1
28) D agn
monosubstituted alkene, one R group is attached to the carbon-carbon double bond. Not oxidized by mild oxidising agents
i dont understand this
??? ???
Sue T:
i have some more chem questions :
w 02
3) Use of the Data Booklet is relevant to this question.
In the gas phase, aluminium and a transition element require the same amount of energy to form
one mole of an ion with a 2+ charge.
What is the transition element?
A Co
B Cr
C Cu
D Ni
the other 2 are attached -i couldnt copy paste
mj06
2 A sample of chlorine containing isotopes of mass numbers 35 and 37 was analysed in a
mass-spectrometer.
How many peaks corresponding to Cl2+ were recorded?
A 2
B 3
C 4
D 5
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