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MAVERICK [17]
3 years ago
12

Which characteristic is typical of metals? A. They are brittle. B. They do not conduct electricity. C. They are highly soluble i

n water. D. They are malleable.
Chemistry
2 answers:
kkurt [141]3 years ago
8 0

Answer: Option (D) is the correct answer.

Explanation:

Metals are the species which have excess of electrons. Metals are placed from left side to more than middle side of the periodic table.

Some properties of metals are as follows.

  • Metals are good conductors of heat and electricity.
  • They are malleable and ductile i.e, they can be drawn into thin sheets and wires.
  • They are lustrous in appearance.
  • Metals generally have high melting point.

Thus, we can conclude that out of the given options, characteristic they are malleable is typical of metals.

shutvik [7]3 years ago
7 0

D. They are malleable.


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Answer:

algabra

Explanation:

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A metal sample weighing 129.00 grams and at a temperature of 97.8 degrees Celsius was placed in 45.00 grams of water in a calori
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Answer : The specific heat of metal is 0.481J/g^oC.

Explanation :

In this problem we assumed that heat given by the hot body is equal to the heat taken by the cold body.

q_1=-q_2

m_1\times c_1\times (T_f-T_1)=-m_2\times c_2\times (T_f-T_2)

where,

c_1 = specific heat of metal = ?

c_2 = specific heat of water = 4.184J/g^oC

m_1 = mass of metal = 129.00 g

m_2 = mass of water = 45.00 g

T_f = final temperature = 39.6^oC

T_1 = initial temperature of metal = 97.8^oC

T_2 = initial temperature of water = 20.4^oC

Now put all the given values in the above formula, we get

129.00g\times c_1\times (39.6-97.8)^oC=-45.00g\times 4.184J/g^oC\times (39.6-20.4)^oC

c_1=0.481J/g^oC

Therefore, the specific heat of metal is 0.481J/g^oC.

4 0
3 years ago
Dissolving salt in water reduces the intermolecular forces between water molecules. What most likely happens to the surface tens
Svetllana [295]

If we dissolve salt in water they will reduce the intermolecular forces between water molecule and this will decrease the surface tension.

Surface tension is due to cohesive forces (the forces between molecules of same substance) hence as cohesive forces decreases the surface tension also decreases

7 0
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Explanation:

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Explanation:

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