Top Posters
Since Sunday
t
7
m
6
k
6
F
5
j
5
t
5
j
5
G
5
f
5
a
5
d
5
c
5
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
Whelan Whelan
wrote...
Go to Answer
Posts: 3158
Rep: 40 1
9 years ago
Nitrogen dioxide decomposes at 300°C via a second-order process to produce nitrogen monoxide and oxygen according to the following chemical equation.

2 NO2(g) → 2 NO(g) + O2(g).

A sample of NO2(g) is initially placed in a 2.50-L reaction vessel at 300°C. If the half-life and the rate constant at 300°C are 44 seconds and 0.54 M-1 s-1, respectively, how many moles of NO2 were in the original sample?
A) 0.042 mol
B) 0.11 mol
C) 24 mol
D) 59 mol
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
Read 2192 times
2 Replies
Replies
Answer verified by a subject expert
hbutler2hbutler2
wrote...
#1
Top Poster
Posts: 3075
Rep: 888 1
9 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
HEYINEEDHELP,  Ahmed Saeed,  bio_man
I'm a chemical engineer! Slight Smile

Related Topics

wrote...
#2
3 years ago
ty
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  851 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 66
  
 551
  
 10005