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Anestetic [448]
3 years ago
10

Marcos thought that energy drinks would increase students' productivty. Before he set his

Chemistry
2 answers:
meriva3 years ago
8 0

Answer:

Researching maybe? That's a scientific method lol

likoan [24]3 years ago
6 0
Research because he has found out important information about the experiment before he conducted it to give a correct hypothesis
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What description best describes both mirrors and lenses?
WITCHER [35]
Mirrors reflect light and lenses refract light.
Mirrors form images by reflecting all light that is incident on their surface, which allows us to see the reflections of objects in mirrors. Lenses, on the other hand, bend light and allow it to pass through them. The bending of light is used to form enlarged images, and for many other purposes as well.
7 0
3 years ago
Read 2 more answers
How many moles are in 153’pp grams of KClO3
katen-ka-za [31]

Answer:

n = 1.24 moles

Explanation:

Given that,

Mass = 153 grams

Molar mass of KClO₃ = 122.55 g/mol

We need to find the number of moles.

We know that,

No. of moles = given mass/molar mass

So,

n=\dfrac{153}{122.55 }\\\\n=1.24

So, there are 1.24 moles in 153 g of KClO₃.

4 0
3 years ago
Which statement best describes an example of selective breeding?
svlad2 [7]

Answer:

D, the others are either genetic modification or no selection

Explanation:

3 0
3 years ago
This is when atoms of elements combine by sharing electrons or by the complete transfer of electrons from one atom to another.
Marat540 [252]
Well theres not a question but a covalent bond is when you share electrons.
7 0
3 years ago
Read 2 more answers
The alcohol functional group contains the elements of oxygen hydrogen and carbon.
saul85 [17]
It is FALSE. The alcohol or alwa ok functional group has a general formula of;
CnH₂n₊₁OH
Although, Carbkn is present in the alcohol group, it is not part of the functional group. The functional group is called hydroxyl group. And it is represented as OH. This means that it consists only of Oxygen and Hydrogen.
Hope that helped. Have a nice day
3 0
3 years ago
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