A Balloon Has a Diameter of 50 Cm,and the Density

question 39

Multiple Choice

A balloon has a diameter of 50 cm,and the density of the air in the balloon is 10¹⁹ particles/cm³.You wish to expand the balloon so that its density is 1 particle/cm³ (the average density of the interstellar medium) .What is the diameter will the balloon have when its density is 1 particle/cm³?

• A) 1,100 km
• B) 1.1*10⁸ km
• C) 220 km
• D) 2.2*10⁶ km
• E) 4.3*10⁴ km

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Definitions:

Sodium Ions

Positively charged particles (Na+) formed when sodium atoms lose an electron, crucial for various physiological processes including nerve impulse transmission and muscle contraction.

Neuron

A unique cell responsible for conveying nerve signals; known as a neuron.

Action Potential

A rapid, temporary change in electric charge across a cell membrane, resulting in the transmission of nerve impulses.

Glial Cell

Non-neuronal cells in the central nervous system that support, protect, and nourish neurons, playing a crucial role in maintaining homeostasis and forming myelin.