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topjm [15]
2 years 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:
pogonyaev2 years 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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I need help with chemistry
Leona [35]

Hey there!

Your answer is B. MgCl.

This is because this isn't an actual existing compound.

Water (H₂O) and magnesium chloride (MgCl₂) are both real compounds, but the number of electrons does not line up to make MgCl possible.

Hope this helps!

6 0
3 years ago
What is the pH of an aqueous solution of HCl with a hydrogen ion
yulyashka [42]

Answer:

pH = 5.17

Explanation:

pH = -log[H+] = -log(6.7 x 10^-6) = 5.17

6 0
3 years ago
Which statement correctly compares an atom of an alkali metal with an atom of the alkaline earth metal next to it on the periodi
Vladimir79 [104]

The atom of alkaline earth metal has one more proton and one more electron than the alkali metal that is next to it to the left on the periodic table. Then the atomic number of the alkali metal is one unit less than the atomic number of the alkaline earth metal next to it

5 0
4 years ago
Read 2 more answers
The 85.2-g sample of the compound x4o10 contains 48.0 g of oxygen atoms. what is the molar mass of element x?
Vedmedyk [2.9K]
X4O10
Let molar mass of X be y
molar mass =  4y + 10 x 16 = 4y+160

so, moles = 85.2 / (4y+160)

Moles of oxygen = 10 x [85.2 / (4y+160) ]
Mass of oxygen  = 16 x 10 x [85.2 / (4y+160) ]
which is 48.0

so, 48 = 16 x 10 x [85.2 / (4y+160) ]

Solve the equation to get y.

y = 31
5 0
3 years ago
When the metallic element sodium combines with the nonmetallic element bromine (Br2), is the product a solid, liquid, or gas at
Luden [163]

Answer: it is a solid at room temperature.

Explanation:

The ions of the two reactants are Na{+} and Br{-}, so the formula of the product is NaBr.  

and when the NaCl is a solid a room temperature. and when NaBr has similar properties to NaCl, so NaBr is a solid at room temperature too.

so our chemical formula for the product is NaBr and It's a solid at room temperature.

4 0
2 years ago
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