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3 years ago

Rank from largest to smallest equilibrium constant. To rank items as equivalent, overlap them KBr2, KCl2, KI2

Chemistry

1 answer:

Salsk061 [2.6K]3 years ago

7 0

Answer:

KCl $_{2}$ , > KBr $_{2}$ , > KI $_{2}$

Explanation:

KBr $_{2}$ , KCl $_{2}$ , KI $_{2}$

The equilibrium constant for the reaction between Alkene and Halogen to give Alkyl halide as a product

Keq = $\frac{[C2H4X2 ]}{[C2H4 ][ X2]}$

hence the order of equilibrium from the Largest to the smallest equilibrium

= KCl $_{2}$ , > KBr $_{2}$ , > KI $_{2}$

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4 years ago

(a) Write the dissolution reaction for solid Na2CO3 below. (Use the lowest possible coefficients. Include states-of-matter under

Andreas93 [3]

Answer:

For a: The chemical equation for the dissolution of sodium carbonate is $Na_2CO_3(s)\rightarrow Na_2CO_3(aq.)$

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Explanation:

For a:

Dissolution reaction is defined as the reaction in which a solid compound gets dissolved in water to form aqueous solution.

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$Na_2CO_3(s)\rightarrow Na_2CO_3(aq.)$

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$Na_2CO_3(aq.)\rightarrow 2Na^+(aq.)+CO_3^{3-}(aq.)$

For b:

Now, the anion formed which is $CO_3^{2-}$ reacts with water to form conjugate acid.

The chemical equation for the reaction of anion with water follows:

$CO_3^{2-}(aq.)+H_2O(l)\rightarrow OH^-(aq.)+HCO_3^-(aq.)$

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3 years ago

Which trends appear as the elements in Period 3 are considered from left to right?

andreev551 [17]

Answer:

Metallic character decreases, and electronegativity increases.

Explanation:

Hello!

In this case, according to the organization of the periodic table, we can see that from left to right, the electronegativity increases as nonmetals are able to attract electrons more easily than metals.

Moreover, in contrast to the previous periodic trend, the metallic character decreases from left to right because the elements tend to decrease the capacity to lose electrons and consequently start attracting them.

Thus, the answer would be: "Metallic character decreases, and electronegativity increases".

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3 years ago

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Answer:

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Explanation:

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2 years ago

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lyudmila [28]

Answer:

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