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garri49 [273]
3 years ago
12

What is the passing of a wave through an object

Chemistry
2 answers:
lana66690 [7]3 years ago
5 0
It’s wave motion. Because when wave passes throug an object, some of the other material can go though on other object(s).
Mariana [72]3 years ago
5 0

Answer:

Transmission

Explanation:

Some of wave energy is transmitted through the object. During this transmission, some of wave energy might be absorbed within the material.

<u>When a wave of certain frequency strikes an object, some of wave energy may go through other material, depending on wavelength and the characteristics of material. </u>

For example, sound, a vibrational wave in the air, it also passes through most materials by causing same type of the vibrations in them.

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N2H4+H2O2 ——&gt; N2+H2O coefficient
const2013 [10]

Answer:

N2H4 + 2H2O2 ---->N2 + 4H2O

Explanation:

N=2            N=2

H=6 ->8      H=2 ->8

O=2 -> 4     O=1 -> 4

Add coefficients to hydrogen peroxide on the left and water on the right, so that there is an equal number of hydrogens and oxygens.

3 0
3 years ago
What is an azeotrope? 2. Under what conditions is it better to perform a steam distillation (instead of, say, a simple distillat
aleksandrvk [35]

Answer:

Explanation:

1.)azeotrope is a mixture of two or more liquid components under constant boiling, it has a constant mole fraction composition of present component which can be homogeneous or heterogeneous.

2.)the condition which it's best performed when there's liquids that is non-volatile which boils higher than other liquids with at least 26 degrees .

steam azentropic distillation

3.During a steam distillation, How to know if the organic compound is still coming over is when you see the solution becoming cloudy or when there is existence of two layers.

4.)The end of the steam distillation, the receiving flask should contain two layers of liquid, and the chemical identity of these two liquids most contain

A.) Layers that are mostly water H2O

B.) Layers that are mostly products

5.)What is the purpose of adding 10% sodium carbonate solution to the distillate if it is acidic to litmus is to neutralize the distillate.

7 0
3 years ago
Which kind of climate do the most stable ecosystems tend to have?
Ganezh [65]
B because the climate has to be pretty balanced and if it’s too cold it won’t be habitable and if the climate is too hot it won’t be habitable aswell
6 0
2 years ago
In the formula 4H20, how many total hydrogen (H) atoms are there?
SashulF [63]
There are 8 total hydrogen (H) atoms.
5 0
3 years ago
Read 2 more answers
The following compound has been found effective in treating pain and inflammation (J. Med Chem. 2007, 4222). Which sequence corr
love history [14]
<h3><u>Full Question:</u></h3>

The following compound has been found effective in treating pain and inflammation (J. Med. Chem. 2007, 4222). Which sequence correctly ranks each carbonyl group in order of increasing reactivity toward nucleophilic addition?

A) 1 < 2 < 3

B) 2 < 3 < 1

C) 3 < 1 < 2

D) 1 < 3 < 2

<h3><u>Answer: </u></h3>

The rate of nucleophilic attack of carbonyl compounds is 2<3 <1.

Option B

<h3><u>Explanation. </u></h3>

Nucleophilic attack is explained as the attack of an electron rich radical to a carbonyl compound like aldehyde or a ketone. A nucleophile has a high electron density, so it searches for a electropositive atom where it can donate a portion of its electron density and become stable.

A carbonyl compound is a sp^2 hybridized carbon atom with a double bonded oxygen atom in it. The oxygen atom pulls a huge portion of electron density from carbon being very electropositive.

In a ketone, there are two factors that make it less likely to undergo a nucleophilic attack than aldehyde. Firstly, the steric hindrance of two carbon groups being attached with the carbonyl carbon makes it harder for the nucleophile to approach. Secondly, the electron push by the carbon groups attached makes the carbonyl carbon a bit less electropositive than the aldehyde one. So aldehydes are more reactive towards a nucleophilic addition reaction.

7 0
3 years ago
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