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Bezzdna [24]
3 years ago
8

Explain the energy transformation that occurs when food is digested.

Chemistry
2 answers:
Dafna11 [192]3 years ago
8 0

A, is the correct answer.  Food stores chemical energy. Our movement is mechanical energy. therefore Chemical energy transforms into mechanical energy. Happy to help :D

Mariana [72]3 years ago
3 0

Answer:a. the answer is A hope this helps you guys bye

Explanation:

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An unknown material has a mass of 5.75 g and a volume of 7.5 cm3.
Shtirlitz [24]

Hey there!:

Mass = 5.75 g

Volume = 7.5 cm³

Therefore:

Density = mass / volume

D = 5.75 / 7.5

D = 0.7 g/cm³

Answer C

Hope that helps!

3 0
3 years ago
What group would this element be in?
Lesechka [4]
Non-metals. it is fluorine i believe and in the periodic table it is under the non-metal category
6 0
3 years ago
If there are no changes in the oxidation state of the reactants or products of a particular reaction, that reaction is not a red
dmitriy555 [2]
Yes, that is true. in order for it to be a redox reaction, both oxidation and reduction must be occurring. 
3 0
4 years ago
Select all possible answers:
Dafna11 [192]

Answer:

c and d are correct

Explanation:

In A, false because in Valence Electrons, the more the valences, the more stable an atom is.

In B, false because atoms cannot readily gain or lose valence electrons as the number of valence electrons is determined by the column they are in.

In C, true because the more the valence electrons, the more the stability of an atom.  

In D, true as electron placing is important and the reactivity of an atom is important.

So C and D are true!

7 0
3 years ago
Read 2 more answers
PLEASE ANSWER ASAP NEED ANSWER!!!!!!!!!!!!!! 75 POINTS
kakasveta [241]

Answer:

The answer to your question is A.

Pure substances can not be broken down into others, so they cannot be molecules

Explanation:

5 0
3 years ago
Read 2 more answers
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