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pav-90 [236]
3 years ago
14

Ionic compounds have high melting points because a lot of energy is needed to break the bonds between the ions.

Physics
2 answers:
velikii [3]3 years ago
5 0
Its true the ionic compounds have a higher melting point
leva [86]3 years ago
5 0

Answer:

True

Explanation:

The ionic compounds have a high melting point because the ionic bond consists in the donation of the electrons from the metallic ion to the non-metallic ion due to the difference in electronegativity. Because of this, the ion core of the elements of this compounds are very close to each other, having a strong bond between all the speciements, therefore elevating the melting point.

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Margarita [4]
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8 0
3 years ago
8. A car moved 20 km East and 70 km West.<br> What is the distance?
SCORPION-xisa [38]
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7 0
3 years ago
Read 2 more answers
How many cubic feet are in a 55-gallon drum?
san4es73 [151]
1 gallon = 231 cubic inches
1 cubic foot = 1728 cubic inches

                       (55 gal) x (231 in³/gal) x (1 ft³/1728 in³)

                   =    (55 x 231 / 1728)  ft³

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5 0
3 years ago
A tightrope walker more easily balances on a tightwire if his pole
cestrela7 [59]
B) droops.

Why?
To maintain balance, you do not need something short so you're balanced well... You need something long and droopy to maintain balance. The pole should be held by your waist and it should be light.

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4 0
3 years ago
Suppose the glass paperweight has index of refraction n=1.38. a) find the value of θ for which the reflection on the vertical su
zimovet [89]

Answer:

a)θ=71.89°

b)NO

Explanation:

Given that

For glass n= 1.38

We know that for air n'=1

The angle  for total internal reflection θc given as

sin θc=n'/n

By putting the values

sin θc=n'/n

sin θc=1/1.38

θc=46.43°

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sinθref = cosθc

n'sinθ =  n cosθc

1 x sinθ =1.38 x cos 46.43°

θ=71.89°

b)

NO

8 0
3 years ago
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