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Black_prince [1.1K]
3 years ago
9

An asteroid in space has traveled 4,500 km in 60 s, what is the average speed of the asteroid?

Chemistry
1 answer:
weqwewe [10]3 years ago
6 0
The average speed is 75 Km per hour. Remember the equation for speed is Speed = Distance divided by Time
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The number of possible different orbital shapes for the third energy level is
adelina 88 [10]

Answer:

option c) 3 is the correct option

Explanation

as we  know that 3rd principal energy level contains 3 sub levels,which are named as s,p and d. These sub levels further contain different numbers of orbitals,

and these sub levels can be termed as  regions of probability of finding an electron, and each orbital may have a maximum number of two electrons in it.

8 0
3 years ago
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Compared to the nucleus 5626fe, what is the density of the nucleus 112 48cd?
tia_tia [17]

For a comparison of the nucleus 5626fe, the density of the nucleus 112 48cd is mathematically given as the same.

n(Cd) / n(Fe)=1

<h3>What is the density of the nucleus 112 48cd?</h3>

Generally, the equation for the density  is mathematically given as

d=\frac{A}{4/3}\piR^3

Therefore

n(Cd) / n(Fe) = [A (Cd) / (A Fe) ] * [ R (Fe) / R (Cd)]^3

n(Cd) / n(Fe)= (112 / 56 ) * (1/1.26)3

n(Cd) / n(Fe)=1

In conclusion, The ratio of n(Cd) = n(Fe) is 1, hence same

Read more about density

brainly.com/question/14010194

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2 years ago
The nation on average uses around 10 Million tons of salt per year to de-ice roads. How many kilograms of salt is this? (please
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Noble gases are the least<span> reactive </span>elements<span> in the periodic table because they have a full valence shell. Examples are, Argon, Neon, Xenon, and Helium</span>
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bearhunter [10]
4) is correct
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