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Otrada [13]
4 years ago
6

Which statement about sound is not true?

Chemistry
2 answers:
NeTakaya4 years ago
6 0

A. Air particles travel with sound waves.

Air has nothing to do with sound

I also took the test

Hope this helps :) Brainliest?

ikadub [295]4 years ago
3 0

The answer is A now you can give the other guy brainliest

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True or False <br> Low temperatures lead to faster dissolution rates compared to high temperatures
ludmilkaskok [199]

Answer:

false

Explanation:

this is because , high temperature speeds up the the random motion of particles which leads to high dissolution

5 0
3 years ago
Word equation for burning magnesium ribbon in a jar of oxygen​
Iteru [2.4K]

Answer:

2 Mg + CO2 → 2 MgO

Explanation:

Magnesium ribbon burns in the presence of oxygen to produce Magnesium Oxide

5 0
4 years ago
Which of the following mixtures is best separated by the use of a separating funnel?
kari74 [83]

Answer:

ethyl ethanoate and water

Explanation:

At the point when one fluid doesn't blend in with another yet glides on top of it, an isolating pipe can be utilized to isolate the two fluids. Oil glides on water. This combination can be isolated utilizing an isolating channel as demonstrated on the following page.  

Ethyl liquor and water are two miscible fluids.   Refining is a cycle that can be utilized to isolate an unadulterated fluid from a combination of fluids. An isolating channel can be utilized to isolate the parts of the combination of immiscible fluids.

The answer is ethyl ethanoate and water. Hope this helps you!

3 0
3 years ago
Question 10 of 32
nignag [31]

Answer:

D

Explanation:

The correct answer that gives a good example of how the same chemical used to help people can harm the environment would be when <u>excess fertilizers run off into rivers and create a dead zone.</u>

<em>Fertilizers are usually applied to crops as an agricultural practice by farmers to enhance the yield of the crops and boost food or raw materials production. However, excess fertilizer gets washed into nearby water bodies and ends up creating a low-oxygen zone that is incapable of supporting lives within the water body - also known as </em><em>dead zones.</em>

The correct option is, therefore, D.

4 0
3 years ago
Which radioisotope undergoes beta decay and has a half-life of less than 1 minute?
erica [24]
N - 15 undergoes beta decay and has a half-life of less than 1 minute. 
7 0
4 years ago
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