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Alisiya [41]
3 years ago
8

*Giving Brainly with the points* Best answer gets it

Chemistry
1 answer:
Sedaia [141]3 years ago
6 0
List two uses of high density polyethylene other than those listed in the table:
HDPE plastic is also used to store bleach, baby powder, and vitamins.

Two plastics that are targeted for recycling from household waste are polyethylene terephthalate (PETE) and high density polyethylene (HDPE). One of the problems of recycling such materials is separating them. Suppose you have been hired to set up a process for separating large quantities of waste plastic that is a mixture of PETE and HDPE. Describe how you might perform this separation:
To separate PETE and HDPE plastics on an industrial scale, you could place large quantities of recycled products in a vat water so the PETE products sink while the HDPE products float.
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In matter results in a change in its identity and properties.
FrozenT [24]

Answer:

The chemical change in matter is results in a change in its identity and properties.

Explanation:

There are toe type of changes physical change and chemical change.

The chemical change change in matter lead to lost its identity and properties.

Chemical change:

The changes, that occur due to change in the composition of a substance and result in a different compound is known as chemical change.

These changes are irreversible

These changes occur due to chemical reactions

These may not be observed with naked eye

Example:

Combustion of fuel or wood: that oil or wood convert into energy, CO2 and ash in case of wood

Boiling of egg: that change the chemical composition of protein in the egg .

The reaction of Hydrogen and oxygen:  

H 2 (g)  + O 2  (g) -------------------------------------> 2H 2O  (l)

7 0
3 years ago
6th grade work help me please (:
frozen [14]
The trophosphere contains the most water vapor!
3 0
3 years ago
Which is NOT a chemical reaction?
Sophie [7]
A is correct because there is no reaction involved
6 0
3 years ago
Read 2 more answers
2. Which state of matter will take both the volume
Vikentia [17]

Answer:

The answer would be C) a liquid.

Explanation:

If you were to pour a glass of water into a rectangular container, the water would fill up the container and be in the same shape as the container. That is becuase water flows and it doesn't harden up or take its own shape until it's frozen. The molecules are not tightly secure to each other so they are able to move freely.

4 0
3 years ago
If an atom contains 12 protons and 10 neutrons, what's its mass number?
user100 [1]
A = Z + n

A = 12 + 10

A = 22

Answer C

hope this helps!
7 0
3 years ago
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