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Natasha2012 [34]
3 years ago
11

Which of the following small objects are made of ice and dust? (1 point)

Chemistry
2 answers:
Arlecino [84]3 years ago
7 0

The core of a comet is made from ice and dust so B would be the answer.

vagabundo [1.1K]3 years ago
4 0

Hey there!

The correct option is B. Comets

Hope this helps you!

God bless ❤️

Brainliest would be appreciated

xXxGolferGirlxXx

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In this redox reaction, identify the element that was reduced.
malfutka [58]
I think the correct answer from the choices listed above is the third option. <span>In the redox reaction given, the element that was reduced was Fe or iron. It's charge reduced from +3 to zero, a neutral charge. Hope this answers the question. Have a nice day.</span>
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3 years ago
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Does anyone get these question
OleMash [197]
I know for sure that it is francium
3 0
3 years ago
Does not react with aqueous solution of bromine <br> (a)C2H6<br> (b)C2H4<br> (c)C2H2<br> (d)C3H6
Damm [24]

Answer:

Hi, there!

which does not react with aqueous solution of bromine?

<em>c)C2H2</em>

<em />

<em>xXxAnimexXx</em>

<em>Happy Labor day! :)</em>

3 0
3 years ago
Assuming dopant atoms are uniformly distributed in a silicon crystal, how far apart are these atoms when the doping concentratio
enyata [817]

Answer:

d =~ 5.8μm

d =~ 0.13 μm

Explanation:

when the doping concentrations are 5 × 10^15 cm^-3

d = v^-1/3  ; where d represent the distance between the atoms , and v  represent the volume

d =1/ ∛v

d = 1/ ∛5 × 10^15

d = 1/ 170997.5

d = 5.85 × 10 ^ -6

d =~ 5.8μm

when the doping concentrations are 5 × 10^20 cm^-3

d = v^-1/3  ; where d represent the distance between the atoms , and v  represent the volume

d =1/ ∛v

d = 1/ ∛5 × 10^20

using the principle of surds and standard forms, we have

d = 1/ ∛0.5 × 10^21  

d = 1/7937005.26

d = 1.26 × 10 ^ -7

d = 0.126 × 10 ^ -6

d =~ 0.13 μm

8 0
3 years ago
List in ascending order the different layers of atmosphere, their heights, and main their features. Help please!!! :•)
Anika [276]

Answer:

Troposphere

Stratosphere

Mesosphere

Thermosphere

Exosphere

Explanation:

These are all listed in ascending order, hope this helps!

6 0
3 years ago
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