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antoniya [11.8K]
3 years ago
12

What is an example of potential energy and kentic energy?

Chemistry
2 answers:
Scrat [10]3 years ago
6 0

An example of potential energy would be a roller coaster climbing a hill because it has the energy stored in it.

The roller coaster uses kinetic energy when it goes down the hill so there is now less potential energy and more kinetic energy.

lana [24]3 years ago
3 0
Potential energy is stored energy. Kinetic energy involves movement.

If a ball is on the top of a hill, it has the most potential energy on the very top of the hill. The kinetic energy is also 0 at this point.

If the ball rolls down the hill, potential energy decreases while kinetic increases.

simple example
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Part 1: What is the final volume in milliliters when 0.730 L of a 44.8 % (m/v) solution is diluted to 23.3 % (m/v)?
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part 1 : the final volume : 1.404 L

part 2 : the initial concentration : 4.06 M

<h3>Further explanation </h3>

Dilution is the process of adding a solvent to get a more dilute solution.

The moles(n) before and after dilution are the same.

Can be formulated :

M₁V₁=M₂V₂

M₁ = Molarity of the solution before dilution  

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V₂ = Molarity volume of the solution after dilution

part 1 :

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\tt V_2=\dfrac{M_1.V_1}{M_2}\\\\V_2=\dfrac{44.8\times 0.73}{23.3}\\\\V_2=1.404~L

part 2 :

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V₂=1.5 L

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\tt M_1=\dfrac{M_2.V_2}{V_1}\\\\M_1=\dfrac{2\times 1.5}{0.739}\\\\M_1=4.06

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