Introduction to Ideal Gasses Video Lessons

Concept

# Problem: The lowest pressure ever obtained in a laboratory setting is 4.0×10−11 Pa.At this pressure, how many molecules of air would there be in a 50°C experimental chamber with a volume of 0.020 m3?Express your answer using two significant figures.

###### FREE Expert Solution

The ideal gas equation:

$\overline{){\mathbf{P}}{\mathbf{V}}{\mathbf{=}}{\mathbf{n}}{\mathbf{R}}{\mathbf{T}}{\mathbf{=}}{\mathbf{NkT}}}$

88% (58 ratings)
###### Problem Details

The lowest pressure ever obtained in a laboratory setting is 4.0×10−11 Pa.

At this pressure, how many molecules of air would there be in a 50°C experimental chamber with a volume of 0.020 m3?

Express your answer using two significant figures.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Introduction to Ideal Gasses concept. You can view video lessons to learn Introduction to Ideal Gasses. Or if you need more Introduction to Ideal Gasses practice, you can also practice Introduction to Ideal Gasses practice problems.