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Aliun [14]
3 years ago
11

Explain how potential energy and kinetic energy are transformed in a roller coaster.

Chemistry
1 answer:
spayn [35]3 years ago
4 0

Answer:

In the beginning, a roller coaster is still which means the forces acting upon the roller coaster are equal. But then as the rollar coaster starts to move upwards, the potential energy changes into kinetic energy since it is in motion. When the roller coaster reaches the top and stops, its kinetic energy immeadiately transforms into potential energy because it has potential to move and go fast. As the roller coaster descends, the potential energy transforms into kinetic energy. Hope this helps!

Explanation:

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3 years ago
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If an atom has an atomic number of 6 and and abdomens mass of 12 how many electrons does it have
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3 years ago
The equilibrium constant, Kc , for the decomposition of COBr2 COBr2(g) ↔ CO(g) + Br2(g) is 0.190. What is Kc for the following r
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Answer:

2CO(g)+2Br_2(g)\rightleftharpoons 2COBr_2(g)

27.70 is K_c' for the reaction.

Explanation:

COBr_2(g)\rightleftharpoons CO(g) + Br_2(g)

The equilibrium constant of the reaction = K_c=0.190

The expression of equilibrium constant is given by :

K_c=\frac{[CO][Br_2]}{[COBr_2]}..[1]

2CO(g)+2Br_2(g)\rightleftharpoons 2COBr_2(g)

The equilibrium constant expression for above reaction can be written as:

K_c'=\frac{[COBr_2]^2}{[CO]^2[Br]^2}

K_c'=\frac{1}{(K_c)^2} ( from [1])

K_c'=\frac{1}{(0.190)^2}=27.70

27.70 is K_c' for the reaction.

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