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CHEMISTRY DOUBT!!!

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sizbeauty:
@ CHEMMASTER6000
thankx alot for de explanation bt cn u plz explain Q9???(u hav explaind Q8 by mistake,i didnt ask for it  :))
thankz alot :)

cashem'up:
The diagram represents the reaction pathway for the following reaction.
W(g) + X(g) ? Y(g) + Z(g)
energy
W + X
Y + Z
reaction pathway
What statement can be made about the reverse reaction, Y(g) + Z(g) ? W(g) + X(g)?
A It will have a larger activation energy and a positive ?H.
B It will have a larger activation energy and a negative ?H.
C It will have a smaller activation energy and a positive ?H.
D It will have a smaller activation energy and a negative ?H.

NOW this is w08 q9 and ans is B please explain

ruby92:
o/n 2008 q 2
what does NaOH remove exactly?

ifraha18:
majune  2005 question 1 nd 2.??

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