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BabaBlast [244]
3 years ago
7

Do you know what each item in the central hazardous waste storage area is for?

Chemistry
1 answer:
Sonbull [250]3 years ago
5 0

Answer:

- Bucket liner: a second layer of protection in the hazardous waste containers; they should be sealed with a knot.

- Hazardous bucket label: identifies facility and waste information and must be placed on used hazardous waste containers.

- Zip-tie tags: these are used to close and label bucket liners.

- Chemical bags: plastic bags used to store hazardous waste. They have a zip-type closure and should only store one hazardous waste item.

- Hazardous waste management chart: a job aid which displays how to determine a spill category and how to store hazardous waste until it is picked up.

Explanation:

Hello,

Hazardous waste is a type of waste that could be harmful for the health or the environment . Such waste could exhibit the following threats: ignitability , reactivity , corrosivity  and toxicity

Hazardous wastes may be found in gaseous, liquid or solid forms. They can not be disposed of by typical methods like other by-products of our daily life. Based on the physical state of the waste, treatment and solidification processes might be required.

For the given options on the attached picture, each items match as follows:

- Bucket liner: a second layer of protection in the hazardous waste containers; they should be sealed with a knot.

- Hazardous bucket label: identifies facility and waste information and must be placed on used hazardous waste containers.

- Zip-tie tags: these are used to close and label bucket liners.

- Chemical bags: plastic bags used to store hazardous waste. They have a zip-type closure and should only store one hazardous waste item.

- Hazardous waste management chart: a job aid which displays how to determine a spill category and how to store hazardous waste until it is picked up.

Best regards.

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Richard and Brooke's teacher tells them to place 30 marbles in an 8-inch
Fynjy0 [20]

Answer:

The correct answer is - They gently shake the pan causing the marbles to move back and forth.

Explanation:

When water is heated the molecules present in its liquid state start to move and vibrate faster and allows the water to expand and increase in volume. If the heat is continuously applied to the water its molecules move even faster and escape in the form of molecules of vapor to the atmosphere.

To exhibit this phenomenon by the marble and pan, Richard and Brooke should gently shake the pan causing the marbles to move back and forth which shows faster vibration and movement of molecules.

3 0
3 years ago
Determine the pH of a 0.188 M NH 3 solution at 25°C. The K b of NH 3 is 1.76 × 10 -5.
Archy [21]

Answer:

pH is 8.52

Explanation:

According to the working in the photo

5 0
3 years ago
How many ml of 95% of ethyl alcohol should be added to sterile water for injection to make 1/2 liter of a 40% ethyl alcohol solu
rosijanka [135]

Answer:

V = 210.5  mL

Explanation:

  • V1C1 = V2C2

∴ C1 = 0.95

∴ C2 = 0.40

∴ V2 = 0.500 L

⇒ V1 = ((0.50)(0.40))/(0.95)

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4 0
3 years ago
How many unpaired electrons would you expect on aluminum in aluminum oxide.?
sergeinik [125]

Answer: There are 3 unpaired electrons on aluminium in aluminium oxide.    

Explanation:

Chemical formula of aluminium oxide is Al_{2}O_{3}.

The atomic number of aluminium is 13 and its electronic configuration is 1s^{2}2s^{2}2p^{6}3s^{2}3p^{1}. In order to complete its octet, aluminium will lose or donate 3 electrons to the oxygen atom as it has 3 electrons in excess.

Thus, there are three unpaired electrons on one aluminium atom.

Since, there are two aluminium atoms in Al_{2}O_{3}, so, there will be in total 6 unpaired electrons on two aluminium atoms. Whereas each oxygen atom has deficiency of 2 electrons so, each aluminium atom will donate its excess of electrons to each oxygen atom.


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