A Hot Air Balloon Has a Volume of 2

question 42

Multiple Choice

A hot air balloon has a volume of 2.00 × 10³ m³ when fully inflated, and the air inside the balloon is always at atmospheric pressure of 1.01 × 10⁵ Pa because of the large opening used to fill the balloon and heat the air inside it. What is the mass of hot air inside the balloon if its temperature is 120°C? The universal gas constant is 8.314 J/mol•K. (Assume a molecular weight of 28.8 g/mol for air.)

• A) 1780 kg
• B) 5850 kg
• C) 203 kg
• D) 62.0 kg

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Definitions:

Sigmund Freud

An Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Abnormal Behavior

Actions or behaviors that deviate significantly from societal norms or expectations, often indicating psychological issues or disorders.

Maladjustment

A psychological condition resulting from the inability of an individual to adapt or cope with the demands and stresses of daily life.

Personal Distress

A negative emotional response to witnessing others' suffering, which can motivate empathetic concern or lead to withdrawal to alleviate one's own discomfort.