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xxTIMURxx [149]
2 years ago
7

Identify the best practices when storing and using drying agents in the lab.

Chemistry
1 answer:
IrinaVladis [17]2 years ago
7 0

Answer:

A. Close the drying agent container whenever it is not in active use.

C. Wrap the lid of the drying agent container with tape for storage.

Explanation:

Drying agents also known as desiccants are used in pharmaceutical, food and other manufacturing to keep substances dry. These drying agents are anhydrous and hygroscopic. The right usage of these products requires that they are always stored in an air-tight container.

When they are to be removed from a container containing a solvent, they are to be separated by filtration or decanting.

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NEED HELP 14 points!!!
evablogger [386]

Answer: 45 moles H2O

Explanation: To solve for the moles of H2O in the reaction we will use the mole ratio of O2 and H2O based from the chemical equation which is 1 : 2

22.5 moles O2 x 2 moles H2O / 1 mole O2

= 45 moles H2O

5 0
3 years ago
Observe the image of the results. List the properties you see.
natka813 [3]

Answer:

C. three substances i believe

Explanation:

lmk if im wrong (im sorry if i am!!) But its because the first pic, its a solid substance, 2nd pic is a liquid substance and 3rd pic is condensation or like gas.

8 0
3 years ago
Read 2 more answers
If U-235 decays into Cs-135 and 4 neutrons, what other nuclide will be produced?
dmitriy555 [2]

If U-235 decays into Cs-135 and 4 neutrons, the other nuclide that will be produced is Rb-96 (option D).

<h3>What is radioactive decay?</h3>

A radioactive decay is the process by which an unstable large nuclei emit subatomic particles and disintegrate into one or more smaller nuclei.

According to this question, a radioactive material Uranium- 235 undergoes radioactive decay into Cs- 135 and 4 neutrons (1/0n).

This means that the mass of the products we have is 135 + 4 = 139.

The mass of the nuclide left must be 235 - 139 = 96, hence, the other nuclide that will be produced is Rb-96.

Learn more about radioactive decay at: brainly.com/question/1770619

#SPJ1

5 0
1 year ago
Pleasee help me I really need an answer help
Juliette [100K]

Answer:

This is hard for me also but I am trying to find out answer

Explanation:

Please mark me as brainlist.

6 0
3 years ago
What is a supersaturated solution?
oee [108]

Answer:

A supersaturated solution is a more solute solution than can be dissolved by the solvent.

Explanation:

sodium acetate is an example of one

3 0
2 years ago
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