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kipiarov [429]
3 years ago
13

What’s Chemical energy

Physics
2 answers:
PilotLPTM [1.2K]3 years ago
7 0

Answer: Chemical energy is the energy stored in the chemical compounds.

Explanation:

This energy is released when a chemical reaction takes place. Usually, once chemical energy has been released from a substance, that substance is transformed into a completely new substance.

Hope this helps! Please mark me Brainliest!

AVprozaik [17]3 years ago
5 0

Answer:

Chemical energy is energy that chemical substance to undergoes a chemical reaction to make a new substance.

Explanation:

<h3>hope this makes sense and helps</h3>
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Most of the resistance of the human body comes from the skin, as the interior of the body contains aqueous solutions that are go
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Answer:

4.81x10³ Ω*m

Explanation:

The resistivity (ρ) of the skin can be calculated using the following equation:

\rho = R\frac{A}{l}

<u>Where:</u>

<em>R: is the electrical resistance of the skin = 500x10³ Ω</em>

<em>A: is the cross-sectional area of the skin</em>

<em>l: is the length of the skin= 1.6 m</em>

Since we can model the body between the hands as a cylinder, the cross-sectional area is:

A = \pi r^{2} = \pi \frac{d^{2}}{4} = \pi \frac{(0.14 m)^{2}}{4} = 1.54 \cdot 10^{-2} m^{2}

Now, we can fin the  resistivity (ρ) of the skin:

\rho = R\frac{A}{l} = 500\cdot 10^{3} \Omega \frac{1.54 \cdot 10^{-2} m^{2}}{1.6 m} = 4.81 \cdot 10^{3} \Omega m  

Therefore, the resistivity of the skin is 4.81x10³ Ω*m  

I hope it helps you!  

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3 years ago
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