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2 years ago

Use the table to answer the question

Chemistry

2 answers:

My name is Ann [436]2 years ago

4 0

Answer:

Explanation:

hope the picture helps you to understand:)

katen-ka-za [31]2 years ago

4 0

The answer is b . Explain

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When ironing clothes the primary method of heat transfers conduction convection insulation or radiation

postnew [5]

Convection insulation

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2 years ago

If an equal number of moles of reactants are used, do the following equilibrium mixtures contain primarily reactants or products

puteri [66]

Answer:

For a: The equilibrium mixture contains primarily reactants.

For b: The equilibrium mixture contains primarily products.

Explanation:

There are 3 conditions:

When $K_{eq}>1$ ; the reaction is product favored.
When $K_{eq}$ ; the reaction is reactant favored.
When $K_{e}=1$ ; the reaction is in equilibrium.

For the given chemical reactions:

For a:

The chemical equation follows:

$HCN(aq.)+H_2O(l)\rightleftharpoons CN^-(aq.)+H_3O^+(aq.);K_{eq}=6.2\times 10^{-10}$

The expression of $K_{eq}$ for above reaction follows:

$K_{eq}=\frac{[CN^-][H_3O^+]}{[HCN][H_2O]}=6.2\times 10^{-10}$

As, $K_{eq}$ , the reaction will be favored on the reactant side.

Hence, the equilibrium mixture contains primarily reactants.

For b:

The chemical equation follows:

$H_2(g)+Cl_2(g)\rightleftharpoons 2HCl(g);K_{eq}=2.51\times 10^{4}$

The expression of $K_{eq}$ for above reaction follows:

$K_{eq}=\frac{[HCl]^2}{[H_2][Cl_2]}=2.51\times 10^{4}$

As, $K_{eq}>1$ , the reaction will be favored on the product side.

Hence, the equilibrium mixture contains primarily products.

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3 years ago

Which matter has more attraction between the particles

julia-pushkina [17]

There are spaces between particles of matter. The average amount of empty space between molecules gets progressively larger as a sample of matter moves from the solid to the liquid and gas phases. There are attractive forces between atoms/molecules, and these become stronger as the particles move closer together.

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3 years ago

No work is done when an energy transformation takes place. True or False

Finger [1]

I would go with the statement is : False

-Hope this helps.

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3 years ago

Read 2 more answers

How are atoms arranged in a network solid, such as a diamond? A) Covalent bonds join random sets of atoms into a loose, changeab

Varvara68 [4.7K]

Covalent bonds join all the atoms tightly together

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3 years ago