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quester [9]
3 years ago
14

5. What is metallic bonding? 6. Why are metals shiny?

Chemistry
1 answer:
cricket20 [7]3 years ago
4 0

Answer:

Metallic bonding is found in metals and their alloys. When the atoms give up their valence electrons, they form ions. These ions are held together by the electron cloud surrounding them. Metals are shiny because they have a lot of free (i.e. delocalized) electrons that form a cloud of highly mobile negatively charged electrons on and beneath the smooth metal surface in the ideal case. ... In the absence of any external EM field, the charges in the plasma are uniformly distributed within the metal.

Explanation:

In metallic bonding, the electrons are “surrendered” to a common pool and become shared by all the atoms in the solid metal.

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Does this make a reaction? Because both products are soluble.
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Answer:

Yes.

Explanation:

It will react. Because they are compounds

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What does thermodynamics deal with? A. The transfer of heat and energy B. The properties of sound waves C. The movement of elect
Aneli [31]
The correct answer is <span>A. The transfer of heat and energy

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If the mass is 100g and the density is 0.8g/ml what is the volume
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volume is mass divide by density
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Answer:

WHat? lol

Explanation:

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What is the final temperature when 150.0 g of water at 90.0 °c is added to 100.0 g of water at 30.0 OC? Note that C, of water ca
levacccp [35]

Answer : The final temperature is, 337.8K

Explanation :

Q_{absorbed}=Q_{released}

As we know that,  

Q=m\times c\times \Delta T=m\times c\times (T_{final}-T_{initial})

m_1\times c_1\times (T_{final}-T_1)=-[m_2\times c_2\times (T_{final}-T_2)]         .................(1)

where,

q = heat absorbed or released

m_1 = mass of water at 90^oC = 150 g

m_2 = mass of water at 30^oC= 100 g

T_{final} = final temperature = ?

T_1 = temperature of lead = 90^oC=273+90=363K

T_2 = temperature of water = 30^oC=273+30=303K

c_1\text{ and }c_2 = same (for water)

Now put all the given values in equation (1), we get

150\times (T_{final}-363)=-[100\times (T_{final}-303)]

T_{final}=337.8K

Therefore, the final temperature is, 337.8K

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4 years ago
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