A spherical balloon filled with H₂ gas to a volume of 3.35x10-2 m³ at 17 °C is carefully lowered into the sea to a depth of 50 m, where the seawater temperature is about 12 °C. Assume the gas is always in thermal equilibrium with the surrounding seawater. The atmospheric pressure at the surface is Po = 1.013 x 105 N/m² and the specific gravity of the seawater is 1.03. [Answer in 3 significant figures] What is the gauge pressure 50 m below the sea surface? What is the radius of the balloon at 50 m below the sea surface? What is the buoyant force of the balloon at 50 m below the sea a) b) c) surface? d) What is the change in thermal energy of the gas from surface to 50 m below? (including correct sign)

A spherical balloon filled with H₂ gas to a volume of 3.35x10-2 m³ at 17 °C is carefully lowered into the sea to a depth of 50 m, where the seawater temperature is about 12 °C. Assume the gas is always in thermal equilibrium with the surrounding seawater. The atmospheric pressure at the surface is Po = 1.013 x 105 N/m² and the specific gravity of the seawater is 1.03. [Answer in 3 significant figures] What is the gauge pressure 50 m below the sea surface? What is the radius of the balloon at 50 m below the sea surface? What is the buoyant force of the balloon at 50 m below the sea a) b) c) surface? d) What is the change in thermal energy of the gas from surface to 50 m below? (including correct sign)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Maxwell speed distribution

Maxwell-Boltzmann distribution or commonly known as Maxwell speed distribution, explains the division of the energy levels of the molecules of an ideal gas on the basis of the statistical theory. In 1859, Scottish physicist James Clerk Maxwell established the context for the distribution of molecular velocities for random molecules moving in a closed environment. This theory was generalized in 1871 by German physicist Ludwig Boltzmann. He improvised the theory to express the distribution of energy levels among different molecules.

Question

A spherical balloon filled with H₂ gas to a volume of 3.35x10-2 m³ at 17 °C is
carefully lowered into the sea to a depth of 50 m, where the seawater
temperature is about 12 °C. Assume the gas is always in thermal equilibrium
with the surrounding seawater. The atmospheric pressure at the surface is Po =
1.013 x 105 N/m² and the specific gravity of the seawater is 1.03. [Answer in 3
significant figures]
What is the gauge pressure 50 m below the sea surface?
What is the radius of the balloon at 50 m below the sea surface?
What is the buoyant force of the balloon at 50 m below the sea
a)
b)
c)
surface?
d)
What is the change in thermal energy of the gas from surface to 50 m
below? (including correct sign)

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