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Firdavs [7]
3 years ago
12

How do bones and muscles help your body move

Chemistry
1 answer:
Ivan3 years ago
4 0
This the reason and how it works

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Nitrogen dioxide gas is dark brown in color and remains in equilibrium with dinitrogen tetroxide gas, which is colorless.
sukhopar [10]

Answer:

This reaction is exothermic because the system shifted to the left on heating.

Explanation:

2NO₂ (g) ⇌ N₂O₄(g)

Reactant => NO₂ (dark brown in color)

Product => N₂O₄ (colorless)

From the question given above, we were told that when the reaction at equilibrium was moved from room temperature to a higher temperature, the mixture turned dark brown in color.

This simply means that the reaction does not like heat. Hence the reaction is exothermic reaction.

Also, we can see that when the temperature was increased, the reaction turned dark brown in color indicating that the increase in the temperature favors the backward reaction (i.e the equilibrium shift to the left) as NO₂ which is the reactant is dark brown in color. This again indicates that the reaction is exothermic because an increase in the temperature of an exothermic reaction will shift the equilibrium position to the left.

Therefore, we can conclude that:

The reaction is exothermic because the system shifted to the left on heating.

8 0
3 years ago
Is it general principal that more abundant isotopes exist in
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5 0
3 years ago
What causes atoms to form covalent bonds?
navik [9.2K]

Answer:

to attain stability atoms form covalent bonds

7 0
2 years ago
Anna notices that different types of clothing stick together when they are dried in an electric dryer. When the clothes are pull
horrorfan [7]

Answer:

Dry more clothes at the same time so that there is less room for electric forces.

Explanation:

6 0
3 years ago
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Given what you observe at the molecular/atomic level, why would surface area have this effect?
LenKa [72]

Answer:

Increasing the surface area of a reactant increases the frequency of collisions and increases the reaction rate. Several smaller particles have more surface area than one large particle. The more surface area that is available for particles to collide, the faster the reaction will occur.

Explanation:

:)

5 0
2 years ago
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