this question is from edexcel chemistry unit 4 june ial 2017 mcq 5 part b

Watch
riamu
Badges: 9
Rep:
?
#1
Report Thread starter 1 month ago
#1
https://imgur.com/FzmNhdg
the correct answer is D i do get the Kc part but why does the enthalpy change gets half?
0
reply
golgiapparatus31
Badges: 13
Rep:
?
#2
Report 1 month ago
#2
in equation 1 you have half the number of moles as in equation 2 reacting, (1 vs 2) so half the energy is absorbed, hence the relation between their enthalpy changes
0
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

Personalise

Are you travelling in the Uni student travel window (3-9 Dec) to go home for Christmas?

Yes (122)
28.31%
No - I have already returned home (57)
13.23%
No - I plan on travelling outside these dates (85)
19.72%
No - I'm staying at my term time address over Christmas (40)
9.28%
No - I live at home during term anyway (127)
29.47%

Watched Threads

View All