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ElenaW [278]
3 years ago
14

Can someone help me with this

Chemistry
2 answers:
topjm [15]3 years ago
8 0

Answer: It would be malleable, solids, luster, conductors, reactive

Explanation:

Sedbober [7]3 years ago
5 0

Answer:

D

Explanation:

Please give me brainliest :)

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How many grams of NH4ClO4 would dissolve in 250 mL at 30 C
baherus [9]
Ammonium perchlorate appears as a white, crystalline solid or powder. Classified as a division 1.1 explosive if powdered into particles smaller than 15 microns in diameter or if powdered into larger particles but thoroughly dried. Does not readily burn, but will burn if contaminated by combustible material. May explode under prolonged exposure to heat or fire. Used to make rocket propellants, explosives, pyrotechnics, as an etching and engraving agent, and in analytical chemistry.
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3 years ago
What is the total pressure exerted by the mixture of gases only products or products + reactants?
dedylja [7]
Total = <span>products + reactants</span>
3 0
3 years ago
given a k value of 0.43 for the following aqueous equilibrium suppose sample z is placed into water such that its original conce
serious [3.7K]

Answer:

Less than 0.033 M:

[Z]_{eq}=2.4x10^{-3}M

Explanation:

Hello,

In this case, the described equilibrium is:

2A+B\rightarrow 2Z

Thus, the law of mass action is:

K=\frac{[Z]^2}{[A]^2[B]}=0.43

Nevertheless, given the initial concentration of Z that is 0.033 M, we should invert the equilibrium since the reaction will move leftwards:

\frac{1}{K}=\frac{[A]^2[B]}{[Z]^2}=\frac{1}{0.43}=2.33

Know, by introducing the change x due to the reaction extent, we can write:

2.33=\frac{(2x)^2*x}{(0.033-2x)^2}

Which has the following solution:

x_1=2.29M\\x_2=0.0181M\\x_3=0.0153M

But the correct solution is x_3=0.0152M since the other solutions make the equilibrium concentration of Z negative which is not possible. In such a way, its concentration at equilibrium is:

[Z]_{eq}=0.033M-2(0.0153M)

[Z]_{eq}=2.4x10^{-3}M

Which is clearly less than 0.033 M since the addition of a product shift the reaction leftwards in order to reestablish equilibrium (Le Chatelier's principle).

Regards.

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3 years ago
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Atoms

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This is also a form of molucules

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Karolina [17]

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uwu

Explanation:

Because I like UwU cats, are you one?

7 0
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