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A tank contains 2 m3 of air at 2938C and a gage pressure
Chapter 3, Problem 3.96(choose chapter or problem)
A tank contains \(2 \mathrm{m}^{3}\) of air at \(-93^{\circ} \mathrm{C}\) and a gage pressure of 1.4 MPa. Determine the mass of air, in kg. The local atmospheric pressure is 1 atm.
Questions & Answers
QUESTION:
A tank contains \(2 \mathrm{m}^{3}\) of air at \(-93^{\circ} \mathrm{C}\) and a gage pressure of 1.4 MPa. Determine the mass of air, in kg. The local atmospheric pressure is 1 atm.
ANSWER:Step 1 of 4
Given data:
The volume of air is \(V = 2\ \rm{m}^{3}\).
The temperature of air is \(V = 2\ \rm{m}^{3}, T = - 93\;{^\circ C} = \left( { - 93 + 273} \right)\ {\rm{K}} = 180\;{\rm{K}}\).
The gage pressure is \({p_g} = 1.4\ {\rm{MPa}} = 14\ {\rm{bar}}\).
The atmospheric pressure is \({p_{\mathrm{atm}}} = 1\ {\rm{atm}} = 1\ {\rm{bar}}\).