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lions [1.4K]
2 years ago
10

How do astronomers observe and learn about celestial objects?

Chemistry
1 answer:
MatroZZZ [7]2 years ago
8 0

Answer:

Astronomers use a number of telescopes sensitive to different parts of the electromagnetic spectrum to study objects in space. Even though all light is fundamentally the same thing, the way that astronomers observe light depends on the portion of the spectrum they wish to study.

Explanation:

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Convert 6.620 × 102 kg to units of mg.
Neko [114]

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675,240

Explanation:

3 0
3 years ago
How many atoms are in 165 g of calcium?
Whitepunk [10]
Atomic mass Calcium = 40.078 a.m.u

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165 x ( 6.02x10²³) / 40.078 => 2.47x10²⁴ atoms

hope this helps!
4 0
3 years ago
Draw the structure(s) of all of the possible monochloro derivatives of 2,4-dimethylpentane, c7h15cl.
pishuonlain [190]

The monochloroderivatives will be obtained by substituting chemically non equivalent hydrogen with chlorine atom, one by one

So the possible monochloro derivatives of 2,4-dimethylpentane (figure 1) are shown in figure (2)




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3 years ago
A man is 72 inches tall, what is his height in meters? round to three significant figures.​
Artist 52 [7]

Answer:

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Explanation:

5 0
3 years ago
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the copper anode is weighed before and after the electrolysis reation. if the copper anode is not completely dry when it is weig
Dmitrij [34]

Answer:

Faraday's constant will be smaller than it is supposed to be.

Explanation:

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