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olya-2409 [2.1K]
2 years ago
13

How does acid base extraction work.

Chemistry
2 answers:
LenKa [72]2 years ago
7 0
Technique. Usually, the mixture is dissolved in a suitable solvent such as dichloromethane or diethyl ether (ether), and poured into a separating funnel. An aqueous solution of the acid or base is added, and the pH of the aqueous phase is adjusted to bring the compound of interest into its required form.
jarptica [38.1K]2 years ago
4 0

Answer:

it can be done using the method of lithium paper

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Hi give me 1 example Of kinetic energy
pishuonlain [190]

Answer:

A river flowing at a certain speed comprises kinetic energy as water has certain velocity and mass

Explanation:

8 0
3 years ago
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Ammonium hydrogen sulfide (NH4HS) can
Sergeu [11.5K]

K_c = \frac{[NH_2]^{1}[H_2S]^{1}}{[NH_2HS]^{1}} is the equilibrium constant expression for

NH₂HS(S)   →   NH₂(g) + H₂S(g). Hence, option A is correct.

<h3>Definition of equilibrium constant.</h3>

A number that expresses the relationship between the amounts of products and reactants present at equilibrium in a reversible chemical reaction at a given temperature.

Equilibrium constant for the NH₂HS(S)   →   NH₂(g) + H₂S(g) will be:

K_c = \frac{[Product]^{coefficient}}{[Reactantt]^{coefficient}}

K_c = \frac{[NH_2]^{1}[H_2S]^{1}}{[NH_2HS]^{1}}

Hence, option A is correct.

Learn more about the equilibrium constant here:

brainly.com/question/10038290

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8 0
3 years ago
Explain why chlorine has a relative mass of 35.5?
Sedaia [141]

Answer: because of isotopes

relative atomic mass =(75/100 × 35) + (25/100 × 37) = 35.5

isotopes of any element behave the same chemically because neutrons do not have any charge

Explanation:

plz mark brainliest if helps

4 0
3 years ago
At 304 K, a 9.6 L tank contains 1.9 moles of H2 gas under an unknown pressure in atm. What is the pressure of the gas in the tan
ratelena [41]

Answer:

The pressure is 4.939 atm

Explanation:

As we know

PV = nRT

where P is the pressure

V is the volume

n is the total number of moles

R is the gas constant

and T is the temperature

Substituting the given values we get -

P * 9.6 = 1.9 * 0.0821 *304\\P = 47.420/9.6\\P = 4.939

The pressure is 4.939 atm

8 0
3 years ago
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Which type of change, chemical or physical, is a change on the atomic level?
zavuch27 [327]

Explanation:

Examples of chemical changes include, rusting, fire, and overcooking. Nuclear changes occur when the nuclei of atoms are rearranged to form new atoms. Examples of nuclear changes include atomic fission, nuclear fusion, and the energy of sun and stars.

3 0
3 years ago
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