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Anuta_ua [19.1K]
3 years ago
11

Help its rlly hard pls

Chemistry
2 answers:
Ostrovityanka [42]3 years ago
7 0

Answer:

Choice 1. Volume

Explanation:

Volume is a way of measuring the amount of space filled inside a 3-dimensional object. Temperature would not be correct because that is the measure of kinetic energy and particles moving. Mass is incorrect because that measures the weight, not the amount of space filled. Density is mass per volume which would also be incorrect.

Blizzard [7]3 years ago
3 0

Answer:

Volume

Explanation:

Volume is the amount of space taken up or occupied by an object.

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Plasmolysed because of osmosis as the salt solution has lower water potential than the cells of the stalk
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3 years ago
Which is a chemical change?
miskamm [114]

Answer:A

Explanation:

Because the water at first was not cold or warm and you want to warm it up and it’s gonna obviously be on a bowl so the taste of the bowl has a type of chemical and when you boil the water it is going to go to absorb

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3 years ago
For the n = 3 electron shell, which of the following quantum numbers are valid? Check all that apply.
stealth61 [152]

Answer:

The valid quantum numbers are l=0, l=-2 and l= 2.

Explanation:

Given that,

n = 3 electron shell

Suppose, the valid quantum numbers are

l = 3

m = 3

l = 0

m = –2

l = –1

m = 2

We know that,

The value of n = 3

Principle quantum number :

Then the principal quantum number is 3. Which is shows the M shell.

So, n = 3

Azimuthal quantum number :

The azimuthal quantum number is l.

l=0,1,2

Magnetic quantum number :

The magnetic quantum number is

m=-2,-1,0,1,2

Hence, The valid quantum numbers are l=0, l=-2 and l= 2.

7 0
3 years ago
Read 2 more answers
What describes a mixture
kirill [66]

Answer:

a mixture is a material made up of two or more different substances which are physically combined.

4 0
3 years ago
The compound 1-butene is modeled here. What would need to happen for molecules of this compound to transform into polybutene? A.
kompoz [17]
In order to form polymers, we need to chain molecules together. This involves making bonds between them.

Shifting H’s around doesn’t accomplish anything.

Forming more double bonds will have the opposite result, as it would make the molecules more stable and less likely to react with each other.

Adding oxygen to the molecule no longer makes it polybutene. That would likely result in the formation of some sort of ether, as hey would react to form a C-O-C Bond.

The only answer left is A. In order to form polyalkenes, we have to break a double bond so that it’s available to form more covalent bonds.

Hope this helps
4 0
3 years ago
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