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Anon25 [30]
3 years ago
5

Explain the property of velocity. Name one substance with high velocity.

Chemistry
2 answers:
mafiozo [28]3 years ago
7 0
Velocity is defined as displacement over time. Could you have possible meant viscosity? If so, viscosity is defined as the state of being thick, sticky, and semifluid in consistency, due to internal friction. And example of a substance with a high viscosity would be honey.
Tju [1.3M]3 years ago
6 0

Answer:

honey is the best substance with high velocity.

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The correct lewis structure for COH2 contains how many covalent bonds?
VARVARA [1.3K]

Answer:

Four covalent bonds.

Explanation:

Hello,

In this case, given the attached picture in which you can find the Lewis dot structure for metanal (formaldehyde) we can see two C-H bonds and two C-O bonds via a double bond, thus, we can compute the type of each bond given the electronegativities of hydrogen, carbon and oxygen which are 2.1, 2.5 and 3.5 respectively:

C-H=2.5-2.1=0.4\\C-O=3.5-2.5=1.0

Thus, since both electronegativity difference are less 1.7 we infer that all of them are covalent, therefore, it has four covalent bonds, two C-H bonds and a double C-O bond.

Best regards-

8 0
3 years ago
Explain how venus rotation is different from earths
saul85 [17]
It has the slowest rotation of all planets. 

like 240 earth days...in retrograde clockwise turns
7 0
3 years ago
Read 2 more answers
Why are relative atomic masses on the periodic tables not whole numbers?
Kobotan [32]

Answer:

They are averages.

Explanation:

atomic numbers on periodic tables are derived from the average value of all the isotopes of the element. So being averages they are sometimes not integers.

6 0
2 years ago
Read 2 more answers
Son el punto 2,3,4 por favor
RSB [31]
4...........................
8 0
3 years ago
If a substance changes from one phase to another, is it still same substance? why
shutvik [7]
When you boil water, you aren't changing the elements. You're just making water vapor. However, when you burn paper, it becomes carbon (mostly). So physical changes will not change the substance, only chemical changes will.
5 0
2 years ago
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