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laiz [17]
3 years ago
14

How is sound produced?

Chemistry
2 answers:
Oksanka [162]3 years ago
6 0

Answer:

How Is Sound Produced?

Sound is a very important part of our life.

Sound helps us to communicate with another person.

Let's discuss some sounds in our daily life.

SOUND IS PRODUCED BY VIBRATIONS

The cover of the drum vibrates.

So, sound is produced when an object vibrates.

Sound is a form of energy which is produced as a result of the vibrations of an object.

Explanation:

bekas [8.4K]3 years ago
3 0

Answer:

Explanation:

Sound is produced when an object vibrates creating a pressure wave As the particles vibrate they move nearby particles transmitting the sound further through the medium The human ear detects sound waves when vibrating air particles vibrate small parts within the ear

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Answer:

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Answer:

Theoretical yield of the reaction = 34 g

Excess reactant is hydrogen

Limiting reactant is nitrogen

Explanation:

Given there is 100 g of nitrogen and 100 g of hydrogen

Number of moles of nitrogen = 100 ÷ 28 = 3·57

Number of moles of hydrogen = 100 ÷ 2 = 50

Reaction between nitrogen and hydrogen yields ammonia according to the following chemical equation

N2 + 3H2 → 2NH3

From the above chemical equation for every mole of nitrogen that reacts, 3 moles of hydrogen will be required and 2 moles of ammonia will be formed

Now we have 3·57 moles of nitrogen and therefore we require 3 × 3·57 moles of hydrogen

⇒ We require 10·71 moles of hydrogen

But we have 50 moles of hydrogen

∴ Limiting reactant is nitrogen and excess reactant is hydrogen

From the balanced chemical equation the yield will be 2 × 3·57 moles of ammonia

Molecular weight of ammonia = 17 g

∴ Theoretical yield of the reaction = 2 × 3·57 × 17 = 121·38 g

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Which area of chemistry best links the use of titanium and plastics in artificial bone and joint replacements?
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