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Lemur [1.5K]
3 years ago
5

Which structure is the sun located

Chemistry
1 answer:
lana [24]3 years ago
3 0
It is located in the inner rim of the Orion arm!
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Which statement describes the transfer of heat energy that occurs when an ice cube is added to an insulated container with 100 m
nadya68 [22]
Number 3 is the most likely answer
4 0
3 years ago
Describe how particles of iron (Fe) an oxygen (O2) react to how produce oxide (Fe2O3), also known as rust.
forsale [732]

Answer:

Described by a redox reaction below

Explanation:

Iron(III) oxide is an ionic compound, since it consists of a metal, iron, and a nonmetal, oxygen.

Ionic compounds are formed when metals lose their valence electrons in order to have an octet in their previous shell and donate them to nonmetal atoms, so that nonmetals fill their outer shell to have an octet.

As a result, positive ions (cations) and negative ions (anions) are formed. When iron reacts with oxygen, the following reaction takes place:

4 Fe (s) + 3 O_2 (g)\rightarrow 2 Fe_2O_3 (s)

This is a redox (oxidation–reduction) reaction, since we have electron loss and gain. Four iron atoms lose a total of 12 electrons to obtain a +3 charge in the final compound, while 3 oxygen molecules gain these 12 electrons to become 6 oxide anions with a -2 charge.

4 0
3 years ago
If an element has 10 protons and 11 neutrons and 10 electrons, which expression correctly identifies the element? Atomic numbers
Bezzdna [24]

Answer:

Explanation:

Firstly, it should be noted that atomic number (number of protons) determines element. And the element with the atomic number 10 (10 protons) is Neon. Hence, Neon-10 (₁₀Ne) is the answer.

Note that sodium has an atomic number of 11. Also, number of protons is usually equal to the number of electrons in neutral atoms, this is because the total number of positive particles (protons) must be equal to the total number of negative particles (electrons) to give a neutral atom.

4 0
3 years ago
Which of the following best explain how Earth's rotation affects direction of sunrise?
lozanna [386]
The rotation of the Earth causes sunlight to move from east to west and then it just keeps repeating it over and over again.
5 0
3 years ago
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1) G to H.<br> 2) I to J.<br> 3) J to I.<br> 4) I to H.
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3 ..............................

5 0
3 years ago
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