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n200080 [17]
2 years ago
9

A student checked the conductivity of 2 different solids and the results are listed in the table below explain why the students

got these results in terms of principles of chemical bonding your explanation should include a discussion of the specific particles present is fake particles present in each substance and how the behavior of these particles is related to the conductivity of the solid?

Chemistry
1 answer:
lbvjy [14]2 years ago
7 0

Solid copper conducts electricity because of the presence of free electrons. There are no free electrons in CuCl2(g) hence it does not conduct electricity.

Metals are known as conductors of electricity because, in the metallic bond, free electrons are attracted to metal cations by electrostatic forces. These free electrons explains the conductivity of solid metals.

However, when these metals form compounds, ions are present. These ions only conduct electricity in the liquid or aqueous states when the ions are free to move about. In the solid or gaseous state, these ions are not free hence, CuCl2(g) does not conduct electricity.

Learn more: brainly.com/question/11527546

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sasho [114]

Answer:

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6 0
3 years ago
a 45 gram marble is dropped into a graduated cylinder with 30ml of water. The water level increases to 45.0 ml. What is the dens
Lady bird [3.3K]

Answer:

<h2>3 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}\\

From the question we have

volume = final volume of water - initial volume of water

volume = 45 - 30 = 15 ml

We have

density =  \frac{45}{15}  = 3 \\

We have the final answer as

<h3>3 g/mL</h3>

Hope this helps you

5 0
3 years ago
I NEED HELP PLEASE !!!!
babunello [35]
I think the answer is C
7 0
3 years ago
Read 2 more answers
Rank the elements from smallest to largest atomic radius( smallest at the top)
const2013 [10]

Answer:

1. He

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Explanation:

6 0
3 years ago
If body fat has a density of .94g/mL and 4.0L of fat is removed, how many pounds of fat were removed?
Vlad1618 [11]

Answer:

8.3lb of fat were removed

Explanation:

To solve this problem we need to convert the liters of fat removed to mL. Using the mL and density we can find the grams. To convert grams to pounds we must use (1lb = 453.592g):

<em>mL fat:</em>

4.0L * (1000mL / 1L) = 4000mL

<em>g fat:</em>

4000mL * (0.94g / mL) = 3760g of fat

<em>lb fat:</em>

3760g of fat * (1lb / 453.592g) =

<h3>8.3lb of fat were removed</h3>
7 0
3 years ago
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