## College Physics (4th Edition)

Published by McGraw-Hill Education

# Chapter 13 - Problems - Page 499: 55

#### Answer

The pressure in intergalactic space is $4.14\times 10^{-17}~Pa$

#### Work Step by Step

We can find the pressure in intergalactic space: $PV = NkT$ $P = \frac{NkT}{V}$ $P = \frac{(1)(1.38\times 10^{-23}~J/K)(3~K)}{1.0\times 10^{-6}~m^3}$ $P = 4.14\times 10^{-17}~Pa$ The pressure in intergalactic space is $4.14\times 10^{-17}~Pa$.

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