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IgorC [24]
2 years ago
7

Sound waves? like what they do.

Chemistry
1 answer:
Stels [109]2 years ago
7 0

Answer:

A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water, or any other liquid or solid matter) as it propagates away from the source of the sound. The source is some object that causes a vibration, such as a ringing telephone, or a person's vocal chords.

HEY. HOPE THIS HELPS♡

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calcium reacts with fluorine to produce calcium fluoride. how does oxidation and reduction take place in this reaction?
Assoli18 [71]

The oxidation is occurring on Calcium ions as it release one electron and reduction will be occurring on fluorine ion as it accepts one electron.

<u>Explanation:</u>

An element will undergo oxidation and form a positive ion on releasing one or more electrons from its valence shell. While reduction is occurred in a chemical reaction, then the element will be forming a negative ion with the acceptance of one or more electrons in its valence shell.

So in the given process of calcium fluoride, the one electron from the valence shell of calcium will be released making it as c a^{+} ions and this is termed as oxidation process. This one electron will be getting accepted by the fluorine ion and thus it will convert to F^{-} ions. This process of acceptance of electrons is termed as reduction.

3 0
3 years ago
What does volcanic ash add to the environment?
Travka [436]
Somethings that are beneficial is its good for plants, if it is very fine ash it is able to break down and quickly dissolve into the soil.
7 0
2 years ago
Which of the following best describes the difference between a mixture and a pure substance? A. A mixture has different properti
lara31 [8.8K]

Answer:d

Explanation:

7 0
3 years ago
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What does the pH of a solution represent?
Iteru [2.4K]

Answer:

a

Explanation:

7 0
2 years ago
What is the temperature of 0,80 mol of a gas stored in a 275 mL cylinder at 175 kPa?
love history [14]

Answer:

First, let's express pressure P in Pa and volume V in m3:

⇒P=175 kPa

⇒P=1.75×105 Pa

and

⇒V=275 ml

⇒V=2.75×10−4 m3

Then, let's solve the ideal gas law PV=nRT for temperature T:

⇒PV=nRT

⇒T=PVnR

Substituting the appropriate values into the equation:

⇒T=1.75×105×2.75×10−40.80×8.314 K

⇒T=48.1256.6512 K

∴T≈7.24 K

Therefore, the temperature is around 7.24 K.

8 0
1 year ago
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