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TEA [102]
4 years ago
5

Which is a charectoristic of all waves

Chemistry
1 answer:
ch4aika [34]4 years ago
3 0

Answer:

All kinds of waves have the same fundamental properties of reflection, refraction, diffraction and interference, and all waves have a wavelength, frequency, speed and amplitude. A wave can be described by its length, height (amplitude) and frequency. All waves can be thought of as a disturbance that transfers energy.

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PLEASE HELP!! 15 POINTS!!
Arada [10]

Q, R, S, P is the order of apparent magnitude of the stars, starting from the least to the greatest.

Answer: Q, R, S, P

<u>Explanation:</u>

The apparent magnitudes of the star is the brightness calculated by an observer at a particular distance from the Earth. The smaller the distance between the star and the Earth, the greater the apparent brightness.

So , from the given distance (in light years), Q,R,S,P is the answer (least to the greatest apparent magnitude) (distance is greatest to least).

7 0
3 years ago
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Which is an example of health technology?
sergejj [24]

Answer:

B

Explanation:

Vaccines prevent illness and disease

6 0
3 years ago
How reactive is an atom of Sodium(Na) and why?
s344n2d4d5 [400]
3rd one:
it is very reactive because it does not have a full Valence shell.

this is because it's in group 1 so it has one electron in its outer shell, and it wants to have a full outer shell ( which it can gain by losing the electron in a reaction).

Hope this helps :)
5 0
3 years ago
10 points. Please help.
ratelena [41]

Answer:

-191.7°C

Explanation:

P . V = n . R . T

That's the Ideal Gases Law. It can be useful to solve the question.

We replace data:

2.5 atm . 8 L = 3 mol . 0.082 L.atm/mol.K . T°

(2.5 atm . 8 L) / (3 mol . 0.082 L.atm/mol.K) = T°

T° = 81.3 K

We convert T° from K to C°

81.3K - 273 = -191.7°C

6 0
3 years ago
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Why does burning wood leaves an ash that is only a small fraction of the mass of the original wood.?
klemol [59]
When wood burns, some of the mass is released as a gas. So if you were to combine the small fraction of ash with the gases released, you would get the mass of the original wood.
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4 years ago
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