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Using Specific Volume, Volume, and PressureA spherical
Chapter 1, Problem 21P(choose chapter or problem)
A spherical balloon holding \(35 \mathrm{lb}\) of air has a diameter of \(10 \mathrm{ft}\). For the air, determine (a) the specific volume, in \(\mathrm{ft}^3 / \mathrm{lb}\) and \(\mathrm{ft}^3 / \mathrm{lbmol}\), and (b) the weight, in lbf. Let \(g=31.0 \mathrm{ft} / \mathrm{s}^2\).
Questions & Answers
QUESTION:
A spherical balloon holding \(35 \mathrm{lb}\) of air has a diameter of \(10 \mathrm{ft}\). For the air, determine (a) the specific volume, in \(\mathrm{ft}^3 / \mathrm{lb}\) and \(\mathrm{ft}^3 / \mathrm{lbmol}\), and (b) the weight, in lbf. Let \(g=31.0 \mathrm{ft} / \mathrm{s}^2\).
ANSWER:Solution
Step 1
In this problem, we have to find the specific volume and weight of a spherical balloon. The given the mass is and the diameter is .