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Elenna [48]
4 years ago
6

Explain the concept of molar mass.

Chemistry
1 answer:
Marina CMI [18]4 years ago
6 0
The molar mass is the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol). The molar mass of a compound can be calculated by adding the standard atomic masses (in g/mol) of the constituent atoms.
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7. The tendency of sound waves to bend when they pass from one medium to a different medium is known as A. refraction C. resonan
ahrayia [7]

The tendency of sound waves to bend when they pass from one medium to a different medium is known a refraction.

<h3>What is refraction ?</h3>

In diffraction, a sound wave is bent or stretched out in a single medium where the sound speed remains constant. Refraction is a crucial instance in which sound waves arc or diffuse. Due to variations in the wave's speed, a sound wave bends in this occurrence.

A wave bends as it travels along the edge of an object or through an aperture. It is referred to as diffraction. When a wave transitions from one medium to another at an angle, it also bends. It's known as refraction.

Thus, The option A is correct.

To learn more about refraction follow the link below;

brainly.com/question/2660868

#SPJ1

7 0
1 year ago
What objects in your home has chemical and physical properties
NeX [460]

Answer:

Chemical properties would be like what you would make food with because you are changing the structure of the ingredients.

Physical properties would be like a chair or the device you asked this question on.

Explanation:

8 0
3 years ago
What steps have power plants taken to reduce the amount of sulfur oxides released into the air?
Ann [662]
Emissions of SO2 generated during the combustion of fossil fuels can be reduced<span> by treating the flue gases before they are emitted into the atmosphere via the stack; this is termed Flue Gas Desulphurisation (FGD). Flue gas desulphurisation systems can be classified as either Regenerable or Non-regenerable.

I hope my answer has come to your help. God bless and have a nice day ahead!
</span>
5 0
3 years ago
How many grams are in 2.94 x 1017 atoms of Iron?
ale4655 [162]

Answer:

8.677

⋅

10

8

g

Explanation:

5 0
3 years ago
How much heat is absorbed when 4.5g of ice at 0°C melts to water at 10°C?
atroni [7]

Answer: 90.45 joules

Explanation:

The quantity of Heat Energy (Q) absorbed by ice depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

Thus, Q = MCΦ

In this case,

Q = ?

Mass of ice = 4.5g

C = 2.010 J/g°C (Though not provided, but the specific heat capacity of ice is 2.010 J/g°C)

Φ = (Final temperature - Initial temperature)

= 10°C - 0°C = 10°C

Then, Q = MCΦ

Q = 4.5g x 2.010 J/g°C x 10°C

Q = 90.45 joules

Thus, 90.45 joules of heat is absorbed by ice.

5 0
4 years ago
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