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3 years ago

[15 points] please help!!

Chemistry

2 answers:

Nitella [24]3 years ago

4 0

I'm pretty sure it's the entertainment industry.

Rufina [12.5K]3 years ago

4 0

Answer:

The correct answer is D. The industry that was created when people suddenly had more time and money available is the entertainment industry.

Explanation:

It is called entertainment industry or showbusiness to the set of companies and institutions whose main economic activity is the production of culture with a profit purpose.

There can be considered means of cultural production: the television, the radio, the newspapers and magazines, the cinema, the videogames, the publishers, theater, dance and music.

All these means are elaborated looking at the same time to increase the consumption of cultural objects, and to modify the social habits, educate or inform.

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Diatomic iodine [I2] decomposes at high temperature to form I atoms according to the reaction I2(g)⇌2I(g), Kc = 0.011 at 1200∘C

umka2103 [35]

Answer:

The concentration of I at equilibrium = 3.3166×10⁻² M

Explanation:

For the equilibrium reaction,

I₂ (g) ⇄ 2I (g)

The expression for Kc for the reaction is:

$K_c=\frac {\left[I_{Equilibrium} \right]^2}{\left[I_2_{Equilibrium} \right]}$

Given:

$\left[I_2_{Equilibrium} \right]$ = 0.10 M

Kc = 0.011

Applying in the above formula to find the equilibrium concentration of I as:

$0.011=\frac {\left[I_{Equilibrium} \right]^2}{0.10}$

So,

$\left[I_{Equilibrium} \right]^2=0.011\times 0.10$

$\left[I_{Equilibrium} \right]^2=0.0011$

$\left[I_{Equilibrium} \right]=3.3166\times 10^{-2}\ M$

<u>Thus, The concentration of I at equilibrium = 3.3166×10⁻² M</u>

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3 years ago

Decide whether the compound is ionic or molecular, if you can.

mestny [16]

Answer:

Molecular solid

Explanation:

A molecular solid has a low melting point, they are soft and do not conduct electricity.

We have been told in the question that the solid does not really dissolve in water and it's solution does not improve the electrical conductivity of water. Hence, it must be a molecular solid.

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3 years ago

According to the electron-cloud model of the atom, an orbital is a

Aleks [24]

Answer : Option 4) Region of the most probable electron location.

Explanation : As per the electron cloud model of the atom, an orbital is a region where the probability of finding an electron is highest. According to this model which was used to identify the probable location of the electrons when they go around the nucleus of an atom.

This electron cloud model was different from the older Bohr atomic model by Niels Bohr.

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3 years ago

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Harrizon [31]

Answer: D

Explanation:

In an inverse relationship as one increases one decreases or vice versa.

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3 years ago