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mixer [17]
2 years ago
9

Which substance would have the highest melting point, based on electronegativity

Chemistry
2 answers:
Leni [432]2 years ago
8 0
<h2>Answer:</h2>

The substance with high electronegativity difference have high melting point.

<h3>Explanation:</h3>

Electronegativity:

                             It is a measure of the tendency of an atom to attract a bonding pair of electrons.

  • Higher the electronegativity higher the potential to attract electron pair.
  • So element with high electronegativity difference in elements tend to acquire the partial ions, attracting each other strongly.
  • Hence more strong bonds substances would have highest melting points.
dsp732 years ago
7 0
Electronegativity is the ability of an element to attract electrons towards itself during bonding. Compounds with a metal and nonmetal that have a great electronegativity difference would result to a much stronger intermolecular force. Its effect on the melting point is to increase it further because it takes greater energy to break these bonds. <em>So, the higher the electronegativity difference, the higher the melting point.</em>
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2 years ago
Students find the pH of Substance A to be 2.1 and Substance B to be 4.4. They are told Substance C is less acidic than Substance
Slav-nsk [51]

Answer:

the range should be 2.2 to 4.3

Explanation:

I think so because the numbers at the left side of the scale from 1 are more acidic so as it increases it's still acidic but lesser so 1 is more acidic than 2 so I used 2.2 as the beginning of the range because it's less acidic than A even though its a greater number and 4.3 is lesser than 4.4 but its still greater on the scale. frankly speaking I don't feel so correct because it's in decimal so try and compare facts thank you

8 0
3 years ago
What is the mass of the block of iron illustrated below?
Mandarinka [93]
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but density of iron=7.874g/cm^3
mass=7.874g*100 =787.4g
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7 0
2 years ago
Read 2 more answers
If a mass of a cube were 48.0g and its volume 24.0 cm3 what would its density be
EastWind [94]

Answer:

<h3>The answer is 2 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question

mass = 48 g

volume = 24 cm³

We have

density =  \frac{48}{24}  \\

We have the final answer as

<h3>2 g/cm³</h3>

Hope this helps you

5 0
2 years ago
A. 1720 kJ<br> B. 125.6 kJ<br> C. 3440 kJ<br> D. 4730 kJ
Feliz [49]

Answer:

Q = 3440Kj

Explanation:

Given data:

Mass of gold = 2kg

Latent heat of vaporization = 1720 Kj/Kg

Energy required to vaporize 2kg gold = ?

Solution:

Equation

Q= mLvap

It is given that heat required to vaporize the one kilogram gold is 1720 Kj thus, for 2 kg

by putting values,

Q= 2kg ×  1720 Kj/Kg

Q = 3440Kj

7 0
2 years ago
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