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SCORPION-xisa [38]
3 years ago
7

The surface of Mars, the atmosphere of Jupiter, water spewing from the rings of Saturn, photographs of many of the other eight p

lanets in the solar system: all valuable information collected by
A) space probes.
B) X-ray telescopes.
C) satellite imaging.
D) manned space craft.

Chemistry
1 answer:
ra1l [238]3 years ago
8 0

Answer:

A. Space Probes

A space probe is a robotic spacecraft that does not orbit Earth, but instead, explores further into outer space. A space probe may approach the Moon; travel through interplanetary space; flyby, orbit, or land on other planetary bodies; or enter interstellar space

Click on the picture to see my test to know this is legit!

Hope this helps!

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Answer:land

Explanation:

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Which specific gas is most abundant in earth's atmosphere?
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Which of the following correctly describes the role of scientific models in the advancement of technology? Models represent the
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Find the mass of 2.16 × 1023 molecules H2S.<br> Answer in units of g.
worty [1.4K]

Answer:

Mass = 12.276 g

Explanation:

Given data:

Number of molecules of H₂S = 2.16 × 10²³

Mass in gram = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

Number of moles of  H₂S:

2.16 × 10²³ molecules × 1 mole /6.022 × 10²³ molecules

0.36 moles

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Mass = 0.36 mol × 34.1 g/mol

Mass = 12.276 g

7 0
3 years ago
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