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3 years ago

Write the concentration equilibrium constant expression for this reaction.

Chemistry

1 answer:

tankabanditka [31]3 years ago

3 0

Answer:

K = [Cu2^+] / [Ag^+]^2

Explanation:

The equilibrium expression written for a system in equilibrium must take into account the balanced equation for the reaction and the phases (solid, liquid, gas, or dissolved) of each species involved in the reaction.

aA + bB ⇆ cC + dD

Kc = [C]^c + [D]^d / [A]^a + [B]^b

"[ ]" - concentration of the species (moles per liter or molarity)

"a, b, c, d" - coefficients used to balance the equation

"c in Kc" - indicates that the value of K is determined using the concentrations of each species

There are two cases when a species is not shown in the equilibrium expression: when it is a solid and when it is a pure liquid or solvent.

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Answer:

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2 years ago

Chloroform is a liquid once used for anesthetic. What is the volume of 5.0 g of chloroform? The density of chloroform 1.49 g/mL

mario62 [17]

Answer:

3.3557047 mL

Explanation:

The density can be found using the following formula:

$d=\frac{m}{v}$

Let's rearrange the formula to find the volume, $v$ .

$d*v=\frac{m}{v}*v$

$d*v=m$

$\frac{d*v}{d} =\frac{m}{d}$

$v=\frac{m}{d}$

The volume can be found by dividing the mass by the density. The mass of the chloroform is 5 grams and the density is 1.49 grams per milliliter. Therefore,

$m= 5g \\d= 1.49 g/mL$

Substitute the values into the formula.

$v=\frac{5g}{1.49 g/mL}$

Divide. When we divide, the grams, or g, in the numerator and denominator will cancel out.

$v= \frac{5}{1.49}mL$

$v=3.3557047 mL$

The volume of 5 grams of chloroform is 3.3557047 milliliters

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3 years ago

In a chemical interaction 10 g of hydrogen chloride is added to 20 g of zinc to form 24 g of zinc chloride and a certain amount

marin [14]

The Answer would be...

A. 6g

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3 years ago

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elena-14-01-66 [18.8K]

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2 years ago

In general how are word equations written to describe chemical equations

Alexus [3.1K]

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eg Copper + oxygen = copper oxide.
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2 years ago