A 20-M³ Weather Balloon Is Loosely Filled with Helium at 1

question 101

Multiple Choice

A 2.0-m³ weather balloon is loosely filled with helium at 1 atm (76 cm Hg) and at 27°C.At an elevation of 20,000 ft, the atmospheric pressure is down to 38 cm Hg and the helium has expanded, being under no constraint from the confining bag.If the temperature at this elevation is -48°C, the gas volume is:

• A)0.75 m³
• B)1.3 m³
• C)3.0 m³
• D)4.0 m³
• E)5.3 m³

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Definitions:

Species Specific

Characteristics or behaviors that are unique to a particular species.

Hybrid Inviability

A postzygotic barrier where offspring resulting from the mating of two different species die prematurely due to genetic incompatibilities.

Alloploid

An organism having two or more sets of chromosomes that are derived from two different species.

Chromosomes

Proteinous, string-like entities situated in the cell nucleus of animals and plants, containing a single DNA molecule.