We need your support!

We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
Click here to Donate Now (View Announcement)

MOLES

Thread starter M@35TR0
Start date May 22, 2010

May 22, 2010

#1

M@35TR0

http://www.xtremepapers.net/CIE/Cambrid ... 5_qp_2.pdf

In the above paper in Section A Q.5 a (ii) i get half the answer given in the marking scheme. I tried many things but everytime get wrong answer. Can someone plz explain. AND in Q.5b why isnt the volume also halved?

THE LINK TO MARKING SCHEME IS BELOW

http://www.xtremepapers.net/CIE/Cambrid ... 5_ms_2.pdf

May 22, 2010

#2

Zishi

the answer in marking scheme is wrong.

May 22, 2010

#3

M@35TR0

what about Q 5b?

May 22, 2010

#4

Zishi

M@35TR0 said:
what about Q 5b?

Decrease the concentration to half and let the volume be same, so that reaction rate decreases and also number of moles of product becomes half. =)

You must log in or register to reply here.

Share:

Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Link

We need your support!

For almost 10 years, the site XtremePapers has been trying very hard to serve its users. However, we are now struggling to cover its operational costs due to unforeseen circumstances. If we helped you in any way, kindly contribute and be the part of this effort. No act of kindness, no matter how small, is ever wasted.
Click here to Donate Now