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Chapter 5: Problem 12

Why do astronauts have to wear protective suits when they are on the surface of the moon?

Short Answer

Expert verified
Astronauts wear space suits on the moon to provide a self-contained and regulated atmosphere because the moon has no naturally occurring supportive environment. The suits deliver necessary oxygen, maintain body pressure, and protect from extreme temperatures and solar radiation

Step by step solution

01

Understanding the Moon's Environment

Unlike Earth, the moon has no atmosphere. This means there is no air for astronauts to breathe and no air pressure. It also lacks a magnetic field to protect against solar radiation.
02

Understanding the Purpose of a Space Suit

A space suit is designed to be a self-contained environment for an astronaut. It provides oxygen for breathing and pressurisation necessary for human survival, amongst other things.
03

Connecting the Moon's Environment with the Need for a Space Suit

Under such harsh conditions, without a protective suit, an astronaut's bodily fluids would boil at their normal body temperature due to the lack of atmospheric pressure. The suit also shields from harmful solar radiation and insulates the astronaut from extreme temperatures.

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Most popular questions from this chapter

Consider the formation of nitrogen dioxide from nitric oxide and oxygen: $$ 2 \mathrm{NO}(g)+\mathrm{O}_{2}(g) \longrightarrow 2 \mathrm{NO}_{2}(g) $$ If \(9.0 \mathrm{~L}\) of \(\mathrm{NO}\) are reacted with excess \(\mathrm{O}_{2}\) at \(\mathrm{STP}\), what is the volume in liters of the \(\mathrm{NO}_{2}\) produced?

The shells of hard-boiled eggs sometimes crack due to the rapid thermal expansion of the shells at high temperatures. Suggest another reason why the shells may crack.

Calculate its volume (in liters) of \(88.4 \mathrm{~g}\) of \(\mathrm{CO}_{2}\) at STP.

Dissolving \(3.00 \mathrm{~g}\) of an impure sample of calcium carbonate in hydrochloric acid produced \(0.656 \mathrm{~L}\) of carbon dioxide (measured at \(20.0^{\circ} \mathrm{C}\) and \(792 \mathrm{mmHg}\) ). Calculate the percent by mass of calcium carbonate in the sample. State any assumptions.

Under what set of conditions would a gas be expected to behave most ideally: (a) high temperature and low pressure, (b) high temperature and high pressure, (c) low temperature and high pressure, or (d) low temperature and low pressure?
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