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boyakko [2]
2 years ago
8

You are working with a concentrated solution of ammonium hydroxide. Which

Chemistry
1 answer:
yulyashka [42]2 years ago
7 0

Rubber gloves and other chemical resistant protective clothing are necessary when handling concentrated ammonium hydroxide.

<h3 /><h3>Why it is necessary to handle concentrated solution of ammonium hydroxide with care ?</h3>

  • Ammonia is an irritant and corrosive to the skin, eyes, respiratory tract and mucous membranes.

  • May cause severe chemical burns to the eyes, lungs and skin.

  • Skin and respiratory related diseases could be aggravated by exposure.

The extent of injury produced by exposure to ammonia depends on the duration of the exposure, the concentration of the liquid or vapor and the depth of inhalation.

Hence, Rubber gloves and other chemical resistant protective clothing are necessary when handling concentrated ammonium hydroxide.

<h3 />

Learn more about Ammonium Hydroxide here ;

brainly.com/question/3383763

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Compound is the fundamental type of matter that has unique set of properties and cannot be broken down into simpler form.
lubasha [3.4K]

Answer: Compound

Explanation:  pure substance that cannot be broken down into simpler substances by chemical or physical means. Each element has unique physical and chemical properties.

6 0
3 years ago
Explain the differences between bronze and brass, and steel and cast iron. Which is best used for cooking wares?
Dennis_Churaev [7]

Answer:

Steel and cast iron

Explanation:

They are all metal but assuming that you are finding the best material for your pan i suggest going for steel or cast iron

8 0
3 years ago
43. Which of the following statements concerning the action of G proteins on adenylate cyclase is true? I. G proteins always ser
ExtremeBDS [4]

Answer:

Some G proteins activate adenylate cyclase, while others inhibit it.

Explanation:

G proteins helps in the signal transduction process that transfer message in the body. GPCRs (G-protein-coupled receptors) are located on the surface membrane of the cell.

The G protein can activates the protein or might deactivate the proteins that helps in the adenylate cyclase. The particular phosphorylation and dephosphorylation process at different sites by the G proteins can result in activation and inactivation of adenylate cyclase.

Thus, the correct answer is option (C).

8 0
4 years ago
A sample of helium gas occupies a volume of 152.0 mL at a pressure of 717.0 mm Hg and a temperature of 315.0 K. What will the vo
kozerog [31]

Answer:

0.581 L  or  581 mL

Explanation:

As stated in the question, the combined gas law is (P1*V1/T1) = (P2*V2/T2)

Write down the amounts you are given.

V1 = 0.152 L (I was taught to always convert milliliters to liters)

P1 = 717 mmHg

T1 = 315 K

V2 = ?

P2 = 463 mmHg

T2 = 777 K

The variable that is being solved for is final volume. Fill in the combined gas law equation with the corresponding amounts and solve for V2.

(717 mmHg*0.152 L) / (315 K) = (463 mmHg*V2) / (777 K)

0.346 = (463*V2) / (777)

0.346*777 = (463*V2) / (777)*777

268.842 = 463*V2

268.842/463 = (463*V2)/463

V2 = 0.581

Pressure and volume are indirectly proportional. This checks out because the volume increased while pressure decreased. Volume and temperature are directly proportional. This checks out because both volume and temperature increased. This is a good way to check your answers. You can also solve each side of the combined gas law equation to see if they are both the same.

6 0
3 years ago
When salt dissolves in water:
Akimi4 [234]

Answer:

ionic bonds in the solute are broken and new ion-dipose forces in the solution are formed

Explanation:

7 0
3 years ago
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