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A nebula—a region of the galaxy where new stars are
Chapter 16, Problem 40P(choose chapter or problem)
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?
Questions & Answers
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, \(n=\frac{100 \times 10^{6}}{6.023 \times 10^{23}}\)