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ivanzaharov [21]
3 years ago
13

Which explains how coolers work?

Chemistry
1 answer:
fredd [130]3 years ago
3 0

Answer:

Forgive me if im wrong but i am pretty sure the answer is C

Explanation:

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What 3 mixtures can be separated by filteration
grandymaker [24]
.sand and water
.iron fillings in a liquid
.cereal in milk
7 0
3 years ago
Mechanism with a small activation energy or one with large activation energy​
tangare [24]

Answer:

Rate depends on the rate constant. The rate constant depends on temperature and activation energy. If you have lower activation energy the rate will be higher. This is why catalysts are added since catalysts provide an alternate pathway that requires lower activation energy and catalysts are added to increase the rate of reaction.

Explanation:

This is only the answer if you were asking:

"Which corresponds to the faster rate: a mechanism with a small activation energy or one with a large activation energy?"

Thats what I understood about your question.

8 0
3 years ago
Polyester is a synthetic material used for many different purposes. It is produced from petroleum and natural gas. Producing pol
notka56 [123]

Answer:

A. Producing certain synthetic materials could have a greater environmental impact than disposing of them.

Explanation

I just did this question and got it right.

3 0
2 years ago
Determine the electron-group arrangement, molecular shape, and ideal bond angle(s) for each of the following:
lubasha [3.4K]

Solution :

a). $SO_3$

  This compound is known as sulfur trioxide.

  The molecular shape of sulfur trioxide is trigonal planer.

   And the bond angle is 120°.

b). $N_2O$

   This compound is known as Nitrous oxide. Here, nitrogen is in the center.     There is no lone pair around the nitrogen atom and it forms two sigma bonds with the other two atoms.

 It is linear in shape.

  The bond angle between them is 180°.

c). $CH_2Cl_{2}$

  This compound is known as the Dichloromethane.

   The molecular shape of the compound is tetrahedral.

   The bond angles is 120°

   

6 0
3 years ago
Is it possible for an electron in a hydrogen atom to emit a gamma ray by falling to a lower energylevel?
jeka94
No, its not possible. Let's go back to 4th grades' basic science.
"Energy can not be created or destroyed."
This applies to everything, even atoms!

Have a great day! ❤
7 0
3 years ago
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