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Yuri [45]
2 years ago
7

Why would scientists use a spectrometer in space.

Chemistry
2 answers:
Rzqust [24]2 years ago
8 0
A to study the chemical composition of the surface of a planet would be correct
solniwko [45]2 years ago
6 0

Answer:

A. To study the chemical composition of the surface of a planet

Explanation:

Strictly speaking, a spectrometer is any instrument used to view and analyze a range (or a spectrum) of a given characteristic for a substance (for example, a range of mass-to-charge values as in mass spectrometry), or a range of wavelengths as in absorption spectrometry like nuclear magnetic radiation spectroscopy

-hope this helps!

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Write 0.000443200 to two significant figures
Tju [1.3M]
0.00044


Zeros to the right of the decimal place are not significant UNLESS they are found in between or after a non-zero number, therefore, we take the 3200 away because those ARE significant so then after you round your answer (if needed) you're left with only two numbers that are significant.
6 0
3 years ago
State 3 differences between a solution, suspension and colloid.​
Art [367]

Explanation:

solution 1) homogeneous

2) do not scatter light

3) cannot be separated by filtration

Colloids 1) heterogeneous

2) scatter light

3) cannot be separated by filtration

suspension 1) heterogeneous

2) may either scatter light or be opaque

3) can be separated by filtration

8 0
3 years ago
02:22:18
Artemon [7]

Answer: b design procedure

Explanation:

design a procedure

7 0
3 years ago
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What is the average kinetic energy of any substance at 0 K?
Aloiza [94]
The answer is zero!

let me know if you need help with anything else! :)
5 0
3 years ago
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An object has a mass of 20g and occupies a volume of 40 ml. Calculate the Density of the object.
Vsevolod [243]

Answer:

<h3>The answer is 0.5 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{20}{40}  \\

We have the final answer as

<h3>0.5 g/mL</h3>

Hope this helps you

3 0
3 years ago
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