Thermal decomposition of ammonia

[ALVARO1]

Hi,
I have a question and I don't know if a chemist can help me:

In table 1 on page 4 (line 8), I don't understand why there are three compounds next to the M. What does the bracket mean?

N2H3 + M [N2 (2.4); NH3 (3); N2H4 (4)] = N2H2 + H + M

(I have attached the document)

Thermal_decomposition_of_ammonia_N2H4_-_An_interme.pdf
Thanks in advance,

Regards.

[John Cuthber]

M typically refers to "something else", either the wall of the container, a catalyst, or another gas (or another molecule of the same gas)

[ALVARO1]

 

21 minutes ago, John Cuthber said:

M typically refers to "something else", either the wall of the container, a catalyst, or another gas (or another molecule of the same gas)

Thanks for your early reply.

Yes, I understand that it is the carrier gas but what I do not understand is that it appears with three species in brackets. Why are there three compounds next to the M? Where do they come from?

Edited November 19, 2020 by ALVARO1

[John Cuthber]

It is a very unclear description. I don't really know what they are saying.

I suggest that you contact the author and ask.