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lesya692 [45]
3 years ago
12

What is physical evidence

Chemistry
1 answer:
postnew [5]3 years ago
3 0

Answer:

Physical evidence is any and all objects that can establish that a crime has been committed or can provide a link between a crime and its victim or perpetrator. ... Physical evidence aids in the solution of a case, provides an element of the crime, such as fear or force, and proves a theory in the case.

Explanation:

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Answer: Fluorine

Explanation: It belongs in the same group as Bromine

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Everything you can hold, taste, or smell is made of matter. Matter makes up everything you can see, including clothes, water, food, plants, and animals. It even makes up some things you cannot see, such as air or the smell of perfume.

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Which of the following is true about nuclear fusion
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Answer:

 i would assume that it would be (a)

Explanation:

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2 years ago
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The pictures below show samples of different substances.
Mrrafil [7]

Answer:

C. Yes, if each sample contains 6.02 x 10²³ atoms.

Explanation:

It is possible for each sample to contain 1 mole of each sample if and only if each of the sample if made up of 6.02 x 10²³ atoms.

6.02 x 10²³ atoms is the Avogadro's number. This number is equivalent to a mole of a substance.

  • If the amount of matter in the given substance is at least one mole, it is possible that they are made up of one mole each of each substance.
  • If they contain lesser amount of atoms, then it is not up to one mole of substance.
  • But if it is greater, then, we can have even more than one mole of substance.

A mole is simply a unit of measurement and it is equivalent to 6.02 x 10²³ atoms.

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2 years ago
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