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iren2701 [21]
2 years ago
6

What’s plastic. I need this with own words also it has to be half a page

Chemistry
1 answer:
Ket [755]2 years ago
3 0

Answer:

plastic is made up of a wide variety of synthetic materials but use polymers as the main ingredient. Their plasticity makes it easy for plastics to be moulded, extruded or pressed into solid objects of various shapes.

Explanation:

hope this helped :D

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What does it mean when a wave's amplitude increases?
anastassius [24]

Answer:

It becomes shorter

Explanation:

A wave, such as a Soundwave, controls volume based on it's Wavelength. A Louder sound has a shorter wavelength, a softer sound has it's waves spread out more. Amplitude is simply a fancy name for Volume in Amps. When amplitude increases, the volume increases. Thus, waves become shorter.

7 0
4 years ago
Read 2 more answers
Determine the number of moles in 3.13 × 10²³ formula units of MgCl₂.
love history [14]

Answer:

<h2>0.52 moles </h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{3.13 \times  {10}^{23} }{6.02 \times  {10}^{23} }  =  \frac{3.13}{6.02}  \\  = 0.519933

We have the final answer as

<h3>0.52 moles</h3>

Hope this helps you

3 0
3 years ago
Which is not a property of minerals?<br><br> Streak<br><br> State<br><br> Luster <br><br> Hardness
kvv77 [185]

Streak is not a property of minerals.

6 0
3 years ago
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A student distills a sample of ink. Devise a simple method to show that the liquid collected is pure water. Include the expected
yulyashka [42]

Answer:

Distillation

Explanation:

Water vaporizes at lower temperature than the ink pigment so if you heat them, the water evaporates, leaving the ink pigment in the flask

4 0
3 years ago
How many molecules are there in 0.655 moles of CH_2?
guajiro [1.7K]

Answer:

Not sure about this one, sorry

Explanation:

8 0
3 years ago
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