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topjm [15]
1 year ago
11

If the equilibrium concentrations are 1. 01 m a, 1. 51 m b, and 2. 05 m c. Calculate the value of the equilibrium constant of th

e reverse reaction.
Chemistry
1 answer:
pogonyaev1 year ago
3 0

0.182 is the value of the equilibrium constant of the reverse reaction.

Given reaction i.e. Forward reaction

4A + B = 3C

If we reverse this reaction, the equation becomes

3C = 4A + B

Now, the equilibrium-constant statement for the reverse reaction is the opposite of the equilibrium-constant expression for the forward reaction.

Equilibrium constant =  [A]⁴ × [B] / [C]³

The concentrations can be used to compute K(reverse) once the formula for the equilibrium constant for the reverse reaction has been established.

Conc. of A = 1.01 M

Conc. of B = 1.51M

Conc. of C = 2.05 M

Kc for reverse reaction = [1.01]⁴ × [1.51]/ [2.05]³

                                       = 0.182

Hence, 0.182 is the value of the equilibrium constant of the reverse reaction.

Learn more about equilibrium constant here brainly.com/question/12858312

#SPJ4

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Did Chelate compounds increase the rate of reaction?
Viefleur [7K]

Answer:

Chelate, any of a class of coordination or complex compounds consisting of a central metal atom attached to a large molecule, called a ligand, in a cyclic or ring structure. An example of a chelate ring occurs in the ethylenediamine-cadmium complex:

The ethylenediamine ligand has two points of attachment to the cadmium ion, thus forming a ring; it is known as a didentate ligand. (Three ethylenediamine ligands can attach to the Cd2+ ion, each one forming a ring as depicted above.) Ligands that can attach to the same metal ion at two or more points are known as polydentate ligands. All polydentate ligands are chelating agents.

Chelates are more stable than nonchelated compounds of comparable composition, and the more extensive the chelation—that is, the larger the number of ring closures to a metal atom—the more stable the compound. This phenomenon is called the chelate effect; it is generally attributed to an increase in the thermodynamic quantity called entropy that accompanies chelation. The stability of a chelate is also related to the number of atoms in the chelate ring. In general, chelates containing five- or six-membered rings are more stable than chelates with four-, seven-, or eight-membered rings.

Explanation:

7 0
2 years ago
Purification of copper can be achieved by electrorefining copper from an impure copper anode onto a pure copper cathode in an el
Dovator [93]

Answer: 406 hours

Explanation:

Q=I\times t

where Q= quantity of electricity in coloumbs

I = current in amperes = 39.5 A

t= time in seconds = ?

The deposition of copper at cathode is represented by:

Cu^{2+}+2e^-\rightarrow Cu

96500\times 2=193000 Coloumb of electricity deposits 1 mole of copper

i.e. 63.5 g of copper is deposited by = 193000 Coloumb

Thus 19.0 kg or 19000 g of copper is deposited by = \frac{193000}{63.5}\times 19000=57748032 Coloumb

57748032=39.5\times t

t=1461975sec=406hours    (1hour=3600s)

Thus it will take 406 hours to plate 19.0 kg of copper onto the cathode if the current passed through the cell is held constant at 39.5 A

3 0
3 years ago
In which layer(s) would a solid cube with 6 cm sides and mass of 270 g float? Explain.
DIA [1.3K]
The buoyancy of an object is dictated by its density. So let us calculate for density, where:density = mass / volume
Calculate the volume first of a solid cube:volume = (6 cm)^3 = 216 cm^3 = 216 mL
Therefore density is:density = 270 g / 216 mLdensity = 1.25 g / mL
Therefore this object will float in the layer in which the density is more than 1.25 g / mL.
6 0
3 years ago
Define the term pH in acid and base​
Kaylis [27]

Answer:

a measure of how acidic/base water is.

Explanation:

hope it's helpful (◕ᴗ◕✿)

3 0
2 years ago
From the list of the instructions and tips below, select the statement that would not lead to a successful recrystallization.
viva [34]
What instructions and tips?
8 0
3 years ago
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