× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
New Topic  
ppk ppk
wrote...
Valued Member
On Hiatus
Posts: 3561
12 years ago
A laboratory vacuum pump can reduce the pressure to 1.0 × 10-7 Pa. If the volume of the chamber is 0.500 m3 and the temperature is 27°C, how many molecules are left inside the chamber?
A) 1.2 × 1013
B) 2.4 × 1013
C) 1.2 × 1012
D) 2.4 × 1012
E) 1.2 × 1014
Read 1171 times
1 Reply

Related Topics

Replies
wrote...
12 years ago
A
secretasianma
Biology!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1238 People Browsing
Related Images
  
 274
  
 292
  
 176
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 292