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bija089 [108]
3 years ago
11

An astronomer observes an asteroid in the solar system. He notes that the asteroid is three times farther from the Sun than Eart

h is.
How far away from the Sun is the asteroid in astronomical units?

1 AU
2 AU
3 AU
4 AU
helpppppppp
Chemistry
1 answer:
ozzi3 years ago
7 0

Answer:

3 AU

Explanation:

The distance from the Earth to the Sun is known as 1 AU, or 1 Astronomical Unit. If an asteroid is three times this distance, it is 3 AU away.

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If 15 grams of Carbon dioxide is produced in a chemical reaction, how many grams of Carbon must be consumed in the reaction if w
guajiro [1.7K]

Answer:

Quantity of Carbon is 4.09 gm

Explanation:

Equation of carbon reacting with oxygen to give carbon dioxide is given by

C + O_{2} ⇒ CO_{2}

One mole of carbon reacts with one mole of Oxygen in this reaction to give One mole of Carbon dioxide.

So, 12 gm of carbon reacts with 32 gm of Oxygen in this reaction to give 44 gm of carbon dioxide.

15 gm of CO_{2} was formed in this reaction

Oxygen used in this reaction = \frac{15}{44}×32 = 10.91 gm ,

Thus Oxygen is in sufficient quantity in the reaction.

Now,

Carbon that must be used = \frac{15}{44}×12  = 4.09 gm.

5 0
3 years ago
QUICK!!! Justin is walking around an area that has few trees and many tall grasses.
romanna [79]
Justin is most likely walking in a grassland biome .
6 0
2 years ago
Where do electromagnetic waves move slowest?
Ludmilka [50]

Answer:

Solids

Explanation:

Electromagnetic waves travel fastest in empty space. But they are slowest in solids

8 0
1 year ago
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Describe a dinner you would like to eat that includes all the main nutrients, but is low in the nutrients that you should limit.
IceJOKER [234]
The only food that provides all the nutrients that humans need is human milk," Hattner said. "Mother's milk is a complete food. We may add some solid foods to an infant's diet in the first year of life to provide more iron and other nutrients, but there is a little bit of everything in human milk.
6 0
2 years ago
In atomic solids where the lattice points are occupied by Group 8 ( 18) atoms, the atoms are held together by __________ forces.
shtirl [24]

Answer:

London dispersion forces

Explanation:

There are different forces of attraction that helps to hold atoms or Molecules of a particular substance together. Some of the forces of attraction are ionic/ electrovalent bond, covalent bond, vander waals forces of attraction and so on.

Under the vander waals forces of attraction we have what is known as the London dispersion forces. This force of attraction is a very weak and it is commonly found in the atoms of noble gases.

The intermolecular force of attraction in which we are talking about that is london dispersion forces is formed as a result of the formation of non-polar dipoles which are not permanent.

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2 years ago
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