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Nostrana [21]
3 years ago
6

Which medium allows sound to travel faster, air or water?

Chemistry
2 answers:
Anna11 [10]3 years ago
7 0

Answer:

Air

Explanation:

galina1969 [7]3 years ago
6 0

Water

Liquids: Sound travels faster in liquids than in gases because molecules are more tightly packed. In fresh water, sound waves travel at 1,482 meters per second (about 3,315 mph). That's well over 4 times faster than in air!

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Which of the following terms best describes any solution?
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I believe D hopefully this helps
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When a substance cannot be reduced by physical or chemical means to a simpler form, it is an example of a(n):
GREYUIT [131]
The answer is c. Element
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True/False. A program is an algorithm that has been coded into something that can be run by a machine. *
Zepler [3.9K]

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true

Explanation:

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Pls help me ASAP <br>its very urgent ​
vovikov84 [41]

Answer:

C Region

Explanation:

C Region contains all the liquids as 0 °C is the freezing point of water (Crystals of water are formed leaving it no more in the liquid state) and 100 °C is the boiling point (The water boils leaving it no more in the liquid state).

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\rule[225]{225}{2}

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<h3>~AH1807</h3>
8 0
3 years ago
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 14.4 g of carbon were burned in the presence of
Yanka [14]

Answer:

Mass of carbon dioxide produced = 52.8 g

Explanation:

Given data:

Mass of carbon react = 14.4 g

Mass of oxygen = 56.5 g

Mass of oxygen left = 18.1 g

Mass of carbon dioxide produced = ?

Solution:

C + O₂     →      CO₂

Number of moles of C:

Number of moles = mass/ molar mass

Number of moles = 14.4 g/ 12 g/mol

Number of moles = 1.2 mol

18.1 g of oxygen left it means carbon is limiting reactant.

Now we will compare the moles of C with CO₂.

                       C             :         CO₂

                        1             :          1

                      1.2           :          1.2

Mass of CO₂:

Mass = number of moles × molar mass

Mass = 1.2  mol × 44 g/mol

Mass = 52.8 g

8 0
3 years ago
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