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Phoenix [80]
3 years ago
5

Write the equilibrium‑constant expression for the reaction

Chemistry
1 answer:
Nesterboy [21]3 years ago
6 0

Answer:

The answer to your question is Kc = Keq = [C]²[D]

Explanation:

Balanced chemical reaction

                A (s)  +  3B (l)  ⇔  2C (aq)  +  D (aq)

Kc = Keq = \frac{[C]^{2} [D]}{[A][B]^{3}}

But, remember that reactants or products in liquid or solid state must not be considered.

So, A and B must not be considered.

And the Equilibrium constant is:

                                      Kc = Keq = [C]²[D]

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Help me please !! How to solve it ??
snow_tiger [21]
1st one= CaO +H2O=Ca(OH)2
product side-
Ca=1
O=2
H=2
Reactant side-
Ca=1
O=2
H=2
The first one is balanced for you 
There is 1 calcium on each side 2 oxygens on each side and 2 hydrogens on each side


6 0
3 years ago
Is dissolving salt a chemical change or physical change and why?
Firlakuza [10]

It's a physical change because the composition of the salt hasn't change. Only the change in substance/form has occured. To tell if something has undergone physical change is:

• Melting

• Boiling

• Freezing

• Condensing

• Breaking

• Bending

• Dissolving

• Molecules can change motion and proximity

To tell if something changed chemically:

• Molecules rearrange with other molecules to make new substance

• Can be production of flames

• Color change

• Bubbling/fizzing

• Temp. change

• change in composition


4 0
3 years ago
Which statement is TRUE about oxidation-reduction reactions? a. Every oxidation must be accompanied by a reduction. b. There are
Tomtit [17]

Answer:

Every oxidation must be accompanied by a reduction.

Explanation:

Oxidation and reduction are complementary processes. There can be no oxidation without reduction and vice versa. It is actually a given an take affair. A specie looses electrons which must be gained by another specie to complete the process. This explains why the selected option is the correct one.

8 0
3 years ago
Assume that a point mutation changes the codon AUU to AUC. Why is this a neutral mutation
lukranit [14]
I used the genetic code table. mRNA codon ===> amino acid

1st base       2nd base           3rd base
A                       U                             U               ===> Isoleucine
A                       U                             C               ===> Isoleucine

The point mutation of codon AUU to AUC is a neutral mutation because it neither benefits nor deter the ability of the organism to survive and reproduce.

As you can see, Both codons result to the Isoleucine amino acid.

Another codon that will still result to the Isoleucin amino acid is AUA.

3 0
3 years ago
Might be hard to read but i do not understand what the “K” means.
alexdok [17]

it means kinetic energy

6 0
4 years ago
Read 2 more answers
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