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ArbitrLikvidat [17]
2 years ago
9

Which waves move by replacing one particle with another? A) light waves B) sound waves C) electrostatic waves D) electromagnetic

waves
Chemistry
2 answers:
ANEK [815]2 years ago
8 0
<span>Answer: B) sound waves</span>

<span> There are 2 classifications of waves according to the media of propagation.</span>

<span> <span>Mechanical Waves – needs a medium, an example is sound waves. Sound waves do not travel through a vacuum. Sound waves move by replacing one particle with another. Particles vibrate and that is why we hear the sounds.</span> <span>Electromagnetic Waves and electrostatic waves are one but the same. They do<span> not require a medium.  – an example is light waves.</span></span> </span>
Bumek [7]2 years ago
7 0

i think it is B) because Sound waves move by replacing one particle with another. Sound waves require a medium to propagate, or move. Light and electromagnetic waves do not require a medium. Electrostatic are not a type of wave.

hope this helps

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2 years ago
A chemical reaction produced 10.1 cm3 of nitrogen gas at 23 °C and 746 mmHg. What is the volume of this gas if the temperature a
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volume of gas = 9.1436cm³

Explanation:

We will only temperature from °C to K since the conversion is done by the addition of 273 to the Celsius value.

Its not necessary to convert pressure and volume as their conversions are done by multiplication and upon division using the combined gas equation, the factors used in their conversions will cancel out.

V1 =10.1cm³ , P1 =746mmHg,     T1=23°C =23+273=296k

V2 =? ,   P2 =760mmmHg ,     T2=0°C = 0+273 =273K

Using the combined gas equation to calculate for V2;

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