A nebula—a region of the galaxy where new stars are

Chapter 16, Problem 40P

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QUESTION:

Problem 40P

A nebula—a region of the galaxy where new stars are forming—contains a very tenuous gas with 100 atoms/cm3. This gas is heated to 7500 K by ultraviolet radiation from nearby stars. What is the gas pressure in atm?

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QUESTION:

Problem 40P

A nebula—a region of the galaxy where new stars are forming—contains a very tenuous gas with 100 atoms/cm3. This gas is heated to 7500 K by ultraviolet radiation from nearby stars. What is the gas pressure in atm?

ANSWER:

Step 1 of 2

Here we have to find the gas pressure.

The gas is heated up to a temperature of \(7500 \mathrm{~K}\).

So, \(T=7500 K\).

The number density is,

\(n=100 a t o m s / c m^{3}\)

So, \(n=\frac{100 \times 10^{6}}{6.023 \times 10^{23}}\)

 

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