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kondor19780726 [428]
3 years ago
12

What are electromagnetic waves? I need answer pls

Chemistry
1 answer:
Zolol [24]3 years ago
3 0

In physics, electromagnetic radiation refers to the waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, light, ultraviolet, X-rays, and gamma rays

hope this helped

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At equilibrium, no chemical reactions take place. true or false
arsen [322]
False. At equilibrium, the rate of forward reaction is equal to the rate of backward reaction. The net concentration of both products and reactants won't change, but the reactions still take place.
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An ice cube tray full of water is put into a freezer. Which energy change occurs in the particles in the water as it undergoes a
o-na [289]

Answer:

A

Explanation:

increase in energy - hotter and/or more reactive

decrease in energy - colder and/or less reactive

Since it is going from a liquid to solid it will have a tighter arrangement of particles.

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2) write down two examples of mixtures<br>and state their use in daily life.<br><br>​
prisoha [69]

Answer:

<em>first </em><em>example</em><em> </em><em>is</em><em>. </em><em>Air </em><em> </em><em>it </em><em>is </em><em>mixture </em><em>of </em><em>many </em>

<em>gases </em><em> </em>

<em>it's </em><em>us </em><em> </em><em>it </em><em>keeps </em><em>us </em><em>alive </em><em> </em><em>and </em><em>many </em><em>more </em><em>uses</em>

<em>second </em><em>example</em><em> </em><em>is </em><em>water </em><em>is </em><em>also </em><em>a </em><em>mixture</em><em> </em>

<em>made </em><em>up </em><em>of </em><em>carbon </em><em>and </em><em>hydrogen</em><em> </em>

<em>and </em><em>its uses </em><em>is </em><em>to </em><em>fulfill</em><em> </em><em>our </em><em>needs </em>

<em>hope </em><em>it </em><em>helps</em>

7 0
3 years ago
Girl does not see a puddle of liquid on the lab table and accidentally touches the liquid. What should hiro do next?
Shalnov [3]

Tell the teacher they have touched an unidetified liquid. This is because "hiro" can have a reaction with the chemical he touched that can harm his health.

7 0
3 years ago
when the relative humidity is 100%,we say the air is (3 pts) a) saturated b) supercooled c) superheated d) very humid
katovenus [111]

Answer:

The correct option is: a) saturated

Explanation:

Relative humidity is a primary measurement of humidity. At a given temperature, relative humidity describes the present state of absolute humidity relative to the maximum humidity.

It is generally expressed as percentage. Therefore, <u>100% relative humidity means that the air is entirely </u><u>saturated</u><u>.</u>

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