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Firlakuza [10]
3 years ago
10

Easy definition for atom and atomic mass

Chemistry
2 answers:
klio [65]3 years ago
8 0
The atomacy of all objects that rely on surface area as an injignent
professor190 [17]3 years ago
7 0

Answer:

An atomic mass is a mass of one atom of a chemical type of element

An Atom is a basic unit of a chemical element.

Atoms are also the source of nuclear energy.

Have a good day! <:)

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Let's identify first the phases of matter inside each of those beakers. The first beaker on the left has a compact shape and has its own volume. So, that must be solid. The middle beaker has a compact shape but it takes the shape of its container. So, that must be liquid. The third beaker on the right is gas because the molecules are far away from each other.

After identifying each states, let's investigate the energy for phase change. Let's start with the arrows pointing to the right. The first arrow to the right is a phase change from solid to liquid. The intermolecular forces in a solid is the strongest among the three phases of matter. So, you would need an input of energy to break them apart into liquid. The same is true for the phase change from liquid to gas. Therefore, all the arrows pointing to the right require an input of energy.

The reverse arrows pointing to the left needs to release energy. The molecules in the gas state are free such that they can travel from one point to another easily. They have the highest amount of energy. So, if you want the molecules to come closer together, you need to remove the energy to keep them in place. Therefore, the arrows pointing to the right require removal of energy.
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Answer:

C) It will accelerate.  

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According to Newton’s second law of motion, when an object is acted on by an unbalanced force, it will accelerate.

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A) is wrong. The object will stop moving only if there is a balanced force in the opposite direction.

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2 Carbon (C) is found on the Periodic Table; however, Carbon Dioxide (CO2) is not. Why is this the case? А B с D
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Answer:

2 Carbon (C) is found on the Periodic Table; however, Carbon Dioxide (CO2) is not. Why is this the case? А B с D

A Only substances that cannot be broken down into simpler substances are found on the Periodic Table.

B Only gases are found on the Periodic Table.

C Only compounds are found on the Periodic Table.

D Compounds cannot be broken down into simpler substances.​

Answer:



Explanation:



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Which term describes this reaction?
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Answer:

C.

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