wiz-icon
MyQuestionIcon
MyQuestionIcon
3
You visited us 3 times! Enjoying our articles? Unlock Full Access!
Question

A flask of one litre capacity containing NH3 at 1 atm and 25oC. A spark is passed through until all the NH3 is decomposed into N2 and H2. Calculate the pressure (in atm) of gases left at 25oC.

Open in App
Solution

The given reaction is 2NH2N2+3H2

For NH3:P=1 atm,V=1litre,T=298K

mole of NH3=PVRT=1×10.0821×298

=4.087×102

Since, 2 mole of NH3 are used and 4 mole of N2 and H2 are formed.

Therefore, at the same T and V, Pn

P1P2=n1n2 or 1P=24

Pressure after reaction =2 atm

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
The Ideal Gas Equation
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon