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sineoko [7]
2 years ago
5

How many grams are there in 2.75E23 molecules of C2H6 (MM = 30 grams)?

Chemistry
1 answer:
skelet666 [1.2K]2 years ago
3 0

Answer:13.70 i think

Explanation:

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Rank the speeds of sound through these materials, from greatest to least:a. Airb. Steelc. Water
s344n2d4d5 [400]

Ranking order of speed of sound is; Steel >Water > Air.

Speed of sound in normal air is 340 m/s, in water the speed is 1,430 m/s and in steel the speed is 5920 m/s.

<h3>What is speed of sound?</h3>

The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. The speed of sound in an ideal gas depends only on its temperature and composition. The speed of sound in mathematical notation is conventionally represented by 'c'. The speed of sound is variable and depends on the properties of the substance through which the wave is travelling.

learn more about speed of sound: brainly.com/question/20319989

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7 0
1 year ago
Most of earths fresh water is in glaciers <br><br> True or false <br><br> PEASE HELPP
Sati [7]

Answer:

True

Explanation:

4 0
2 years ago
Read 2 more answers
If an object is travelling 25.0 meters/second, how far will it travel in 45 minutes?
Misha Larkins [42]
  • Speed=25m/s
  • Time=45min=(45×60)s=2700s

\\ \rm\longmapsto Distance=Speed(Time)

\\ \rm\longmapsto Distance=25(2700)

\\ \rm\longmapsto Distance=67500m

4 0
2 years ago
When the procedure calls for making a more dilute solution of an acid, or mixing an acid with other solutions, what is the corre
stiks02 [169]

Explanation:

Whenever we need to make a dilute solution of an acid then it is necessary to add water or non-acidic component into the acid first. This is because addition of water or non-acidic component directly into the acid could be highly exothermic in nature.

As a result, the acid can splutter and can cause burning of skin and other serious damage.

So, in order to avoid such type of damage the addition of water or non-acidic component into the acid actually helps to minimize the heat generated.

Thus, we can conclude that correct order of steps for making a more dilute solution of an acid is that either add all of the water or non-acid component first, or add a significant portion, before adding the acid to the mixture.

8 0
3 years ago
What is the total number of atoms in the formula<br> Ca(ClO3)2?
Contact [7]

Answer:

9 atoms

Explanation:

Ca=1

Cl=2

O=6

add them all

5 0
3 years ago
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