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4 years ago

Explain how boiling and evaporating are alike and how they are differant

Chemistry

1 answer:

julsineya [31]4 years ago

7 0

Answer:

The main difference between evaporation and boiling are : 1. Evaporation takes place at all temperatures, while boiling occurs at a particular temperature. 2. Evaporation takes place from the surface, whereas the entire liquid boils. 3. Evaporation can occur using the internal energy of the system, while boiling requires an external source of heat.

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How many molecules are 4.3 x 10^27 molecules of N2O5<br>

horrorfan [7]

Answer:

<h2>7142.86 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{4.3 \times {10}^{27} }{6.02 \times {10}^{23} } \\ = 7142.857...$

We have the final answer as

<h3>7142.86 moles</h3>

Hope this helps you

6 0

3 years ago

I am trying to figure out what blood type the father of my son could have since my son and I are both type A. Also, my brother i

miss Akunina [59]

Answer:

It could probably be O.

Explanation:

Just like eye or hair color, our blood type is inherited from our parents. Each biological parent donates one of two ABO genes to their child. The A and B genes are dominant and the O gene is recessive. For example, if an O gene is paired with an A gene, the blood type will be A.

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3 years ago

Why is DNA important to every living thing?

attashe74 [19]

Answer: sorry for the late answer, I just took the test today.

It provides instructions for processes of the cells

Explanation:

7 0

4 years ago

Read 2 more answers

How many megagrams are in 90.532 g?

Fed [463]

9.0532e-5 should be correct! hope this helps

7 0

3 years ago

Balance the following Equation Show your work.

7nadin3 [17]

Answer:

1) alr balanced

2) 2 2 1

3) 2 1 1 2

4) 2 3 2

5) 2 1 2 1

6) 1 6 2 3

7) 2 2 1

8) 1 2 1 2

9) 2 5 4 6

10) 3 1 2

3 0

3 years ago