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ipn [44]
3 years ago
11

If the frequency 38 Hz and the wavelength 20m what is the wave speed in Science

Chemistry
1 answer:
Akimi4 [234]3 years ago
7 0
Answer: 20*38
Wave speed = 760m/s
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Can somebody please help me ! :(
Helen [10]

Answer:

325

Explanation:

velocity = 3250 Hz x 0.1 m

5 0
2 years ago
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Please describe the relationship between these pairs of compound as: isomers, identical, or unrelated
RUDIKE [14]
A.) CIS/Trans isomers
b.) constitutional isomers
c.) identical
d.) constitutional isomers
e.) identical

4 0
3 years ago
PLEASE HELP<br><br> is this a chemical or physical change???
skad [1K]

Answer:

Chemical, cause physical are changes affecting the form of a chemical substance, but not its chemical composition. This doesn't affect the substance but the composition.

Explanation:

5 0
3 years ago
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What accommodations have been designed to protect astronauts from micrometeoroids hitting their spacesuits?
PolarNik [594]

Answer:

They are multilayered

Spacesuits provide protection from radiation and offer normal air pressure inside

Explanation:

3 0
2 years ago
Which of these do not obey the octet rule? select all that apply. select all that apply. clo clo− clo2− clo3− clo4−?
ioda

The correct answer is ClO, ClO3-, ClO- and ClO4-

Kossel and Lewis in 1916 developed an important theory of chemical combination between atoms known as electronic theory of chemical bonding. According to this, atoms can combine either by transfer of valence electrons from one atom to another (gaining or losing) or by sharing of valence electron in order to have an octet( 8 electron) in their shells. This is known as octet rule.

In ClO2-, oxygen contains 8 electrons in its valence shell and oxygen will share one electron with chlorine to complete the octet of Cl. In other four, we can clearly see that there are more or less than 8 electrons in the outer shell of oxygen so we can clearly say that ClO, ClO3-, ClO- and ClO4-  are disobeying the octet rule.

3 0
3 years ago
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