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Leviafan [203]
3 years ago
14

Wha characteristic of metallic bonds allow metals to be malleable and ductile

Chemistry
2 answers:
ANTONII [103]3 years ago
7 0
Physical Properties of Metals: Malleability and Ductility. The delocalised<span> electrons in the 'sea' of electrons in the metallic bond, enable the metal atoms to roll over each other when a stress is applied</span>
Marrrta [24]3 years ago
5 0

The metallic bond is ductile and malleable because they are not directly bonded with each other.  

<u>Explanation:</u>

Metallic bonds rise from electrostatic metallic forces between electrons and positively charged ions. In a metallic bond, electrons are free to move throughout the metallic structure.  

Metals are malleable as they can be beaten into sheets and ductile because they can be pulled into wires. This happens because atoms share electrons and can move freely throughout the structure.  

Example: Gold is more ductile and malleable when compare to silver and platinum.

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The freezing point of a substance is -20°C. Its boiling point is 120°C.
Tasya [4]

Answer:

a. liquid

b. solid

c. gas, (should be at it's boiling point)

Explanation: If the normal melting point of a substance is below room temperature, the substance is a liquid at room temperature. Benzene melts at 6°C and boils at 80°C; it is a liquid at room temperature. If both the normal melting point and the normal boiling point are above room temperature, the substance is a solid.

if you need an explanation to each lmk

8 0
3 years ago
What alkene reacts the fastest with HBr?
Rasek [7]
The first step in the reaction is the double bond of the Alkene going after the H of HBr. This protonates the Alkene via Markovnikov's rule, and forms a carbocation. The stability of this carbocation dictates the rate of the reaction. 

<span>So to solve your problem, protonate all your Alkenes following Markovnikov's rule, and then compare the relative stability of your resulting carbocations. Tertiary is more stable than secondary, so an Alkene that produces a tertiary carbocation reacts faster than an Alkene that produces a secondary carbocation.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
</span>
3 0
3 years ago
Read 2 more answers
What is the molar mass of a gas which has a density of 0.00249 g/mL at 20.0 degrees celcius and 744.0 mm Hg?
creativ13 [48]

61.24 is the molar mass of a gas which has a density of 0.00249 g/mL at 20.0 degrees celcius and 744.0 mm Hg.

Explanation:

given that:

density = 0.00249 g/ml (\frac{mass}{volume})  or 2.49 grams/litre

P = 744 mm Hg OR 0.978 atm

T = 20 Degrees or 293.15 Kelvin

R = 0.08206 Litre atm/mole K

molar mass =?

Formula used/

PV = nRT    equation 1

here n is number of moles:

n = \frac{mass}{atomic mass}

putting the value of n and value of density in the equation 1:

PV = \frac{mass}{molar mass} x RT

molar mass = \frac{mass}{volume} x \frac{RT}{P}

                    = density x \frac{RT}{P}

                     = \frac{2.49 x 0.08276 x 293.15}{0.978}

                     = 61.24 is the molar mass of the gas.

8 0
2 years ago
Carbonic acid is an important agent involved in rock and mineral dissolution. How is carbonic acid formed?
Vitek1552 [10]

Answer:

Carbonic acid a type of weak acid formed from the dissolving of carbon dioxide in water.

Explanation:

The chemical formula of carbonic acid is H2CO3. Its structure consists of a carboxyl group with two hydroxyl groups connected. As a weak acid, it partially ionizes, dissociates or rather, breaks apart, in a solution.

6 0
3 years ago
Please help me with this homework
KengaRu [80]

Answer:

The answer is C density.

8 0
2 years ago
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