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Katarina [22]
3 years ago
14

What type of heat transfer warms our oceans and atmosphere

Chemistry
1 answer:
Arisa [49]3 years ago
3 0
The answer is Conduction. I hope this helps!
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Which statement best describes weather?
Hatshy [7]

Answer:

Weather is describes as the term of the temperature, humidity, wind velocity, precipitation, and barometric pressure. It usually happens in the troposphere, or lower atmosphere. (Hope this helped!)

Explanation:

7 0
3 years ago
What is generally true about the compressibility of solids?
Ipatiy [6.2K]

Answer: Option (b) is the correct answer.

Explanation:

Compressibility means the ability to reduce or compress in size.

In solids, molecules are held together by strong force of attraction. Therefore, it requires very high force or energy to break the bond between the molecules of a solid.

As a result, compressibility of solids is low.

Whereas a hot ionized gas which contains same number of both positive or negatively charged electrons is known as plasma. Being a gas, molecules of plasma are not held by strong force of attractions.

Hence, plasma is compressible as compared to solids.

Thus, we can conclude that out of the given options, the statement compressibility of solids is lower than the compressibility of plasmas and gases is true.

7 0
2 years ago
Read 2 more answers
The molarity of a 4.200 L solution is 1.230 M Na2CO3. What is the mass of Na2CO3
Lerok [7]

Answer:

547.5g

Explanation:

To get the mass, you need moles.

moles = (molarity)(Liters)

moles = (1.230M)(4.200L) = 5.166 moles Na2CO3

Now, just use stoichiometry

molar mass of Na2CO3 = 2(mass of Na) + (mass of C) + 3(mass of O)

= 2(22.9) + 12.01 + 3(16) = 105.99g/mol

5.166moles(105.99g/mol)

= 547.544

But, the measurements given had 4 significant figures, so in chemistry we write:

547.5g

7 0
3 years ago
Which of these are physical changes in matter chech all that apply
serious [3.7K]

Answer:

a pencil being sharpened

freezing water

boiling water

Explanation:

a physical change doesn't change the chemical structure of an object. That is why the other 2 are wrong

6 0
2 years ago
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__?__ is when cells divide. *
DedPeter [7]

Answer:

B.Mitosis

Explanation:

Brainliest??

7 0
3 years ago
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