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3 years ago

Given the equation representing a closed system:N2O4(g) <=> 2NO2(g)

Chemistry

2 answers:

alexandr402 [8]3 years ago

7 0

3., the equation is balanced so the forward and reverse reactions are equal

goldfiish [28.3K]3 years ago

6 0

Answer: The correct option is (3).

Explanation:

$N_2O_4(g)\rightleftharpoons 2NO_2(g)$

An equilibrium in a reversible chemical reaction is a state in which concentration of reactants and products do not change with time. At equilibrium the rate of forward reaction is equal to the rate of backward reaction.

So, from the given statements the correct statement describing the given system at equilibrium is statement numbered '3'

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They push away from each other or repel due to the same charge they have.

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When a solid has energy added and turns to a liquid what is it called?

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3 years ago

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Write the net ionic equation for the acid-base hydrolysis equilibrium that is established when ammonium perchlorate is dissolved

Whitepunk [10]

<u>Answer:</u> The net ionic equation is written below.

<u>Explanation:</u>

Net ionic equation of any reaction does not include any spectator ions.

Spectator ions are defined as the ions which do not get involved in the chemical equation. It is also defined as the ions which are found on both the sides of the chemical reaction when it is present in ionic form.

The chemical equation for the reaction of ammonium perchlorate and water is given as:

$NH_4ClO_4(aq.)+H_2O(l)\rightarrow NH_4OH(aq.)+HClO_4(aq.)$

Ionic form of the above equation follows:

$NH_4^+(aq.)+ClO_4^-(aq.)+H_2O(l)\rightarrow NH_4OH(aq.)+H^+(aq.)+ClO_4^-(aq.)$

Ammonium hydroxide will not dissociate into its ions because it is a weak base.

As, chlorate ions are present on both the sides of the reaction, thus, it will not be present in the net ionic equation.

The net ionic equation for the above reaction follows:

$NH_4^+(aq.)+H_2O(l)\rightarrow NH_3^+(aq.)+H_3O^+(aq.)$

Hence, the net ionic equation is given above.

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3 years ago

Someone has left a shiny metal bowl outside in the sun. Which may have the potential to damage your eyes: looking at the outside

STatiana [176]

Answer:

Looking at the inside of the bowl

Explanation:

The curvature of the bowl would likely focus the light to a single point or area above it. This higher intensity area would be more dangerous to look at.

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