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amid [387]
3 years ago
10

Why is copper a good electrcity conducter

Chemistry
2 answers:
sineoko [7]3 years ago
6 0

Answer:

Each copper atom has lost one electron and become a positive ion. ... The electrons can move freely through the metal. For this reason, they are known as free electrons. They are also known as conduction electrons, because they help copper to be a good conductor of heat and electricity.

Anvisha [2.4K]3 years ago
3 0

Explanation:

<h3>HOPE IT WILL HELP YOU TO SOLVE YOUR PROBLEM.</h3>

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How do magnetic forces repel or attract? make it short and simple 25 points
stiks02 [169]

Answer:

When you place the north pole of one magnet near the south pole of another magnet, they are attracted to one another.

Explanation:

6 0
3 years ago
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Can somebody in 8thgarde help me with Examining Molecules and compounds ?
MakcuM [25]
I might be able to. I am in 8th grade science.

5 0
3 years ago
A chemist dissolves of pure hydroiodic acid in enough water to make up of solution. Calculate the pH of the solution. Be sure yo
Gre4nikov [31]

Answer:

1.76

Explanation:

There is some info missing. I think this is the original question.

<em>A chemist dissolves 660.mg of pure hydroiodic acid in enough water to make up 300.mL of solution. Calculate the pH of the solution. Be sure your answer has the correct number of significant digits.</em>

<em />

Step 1: Calculate the molarity of HI(aq)

M = mass of solute / molar mass of solute × liters of solution

M = 0.660 g / 127.91 g/mol × 0.300 L

M = 0.0172 M

Step 2: Write the acid dissociation reaction

HI(aq) ⇄ H⁺(aq) + I⁻(aq)

HI is a strong acid, so [H⁺] = 0.0172 M

Step 3: Calculate the pH

pH = -log [H⁺]

pH = -log 0.0172

pH = 1.76

5 0
3 years ago
What is the maximum number of electrons in the following energy level? n = 2
Dmitry_Shevchenko [17]
<span>What is the maximum number of electrons in the following energy level? n = 2

2

</span>
3 0
3 years ago
Liquid<br><br> Describe this state of matter in 3-4 sentences
Law Incorporation [45]

Answer: Liquid has no definite shape but it has definite volume. The particles are free to move over each other but are still attracted to each other. Liquids can be compressed into gas.

Hope this helps :)

4 0
3 years ago
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