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satela [25.4K]
1 year ago
15

Explain the effect of strong intermolecular forces on each of these parameters: (a) critical temperature;

Chemistry
1 answer:
Delicious77 [7]1 year ago
7 0
  • (A) The molecules can no longer be condensed because they are moving too quickly at the critical temperature.
  • Because the forces are insufficient to stop molecular motion, this temperature drops with weaker intermolecular forces.
  • Alternately, the critical temperature rises as intermolecular forces increase.

b) The boiling point rises as intermolecular forces do because it becomes harder and more energy-intensive to separate molecules from the liquid phase.

(C) For the same reason as in b), the vapor pressure falls as intermolecular forces rise.

  • Strong intermolecular forces prevent molecules from entering the vapor phase easily at any given temperature, resulting in a decrease in vapor pressure.

d) The heat of vaporization rises as intermolecular forces increase because more energy is required to separate molecules from one another.

Learn more about critical temperature

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<u>The complete question is -</u>

Explain the effect of strong intermolecular forces on each of these parameters: (a) critical temperature, (b) boiling point, (C ) vapor pressure, (d) heat of vaporization

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Hoochie [10]

Answer:

(a) 156.41 (b) 10 and 14 (c) 16

Explanation:

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3 0
2 years ago
What is the Lewis dot diagram structure for PI2F
Brut [27]

Answer:

Please find attached the completed Lewis dot diagram structure for PI₂F

Explanation:

The number of valence electrons are;

Phosphorus = 5 Electrons

Iodine = 2 × 7 electrons = 14 electrons

Chlorine = 7 electrons

The total number of valence electrons = 14 + 7 + 5 = 26 electrons

2) We draw the symbol that represents the basic (general) structure of the molecule as follows;

The sheared electron pair are represented by single bond lines

3) We complete the octet structures round the fluorine and the iodine atoms as attached showing 18 electrons plus 6 shared electron pairs, with a maximum from step 2 to give a total of (18 + 6) 24 electron pairs

4) We add the 2 unaccounted valence electron on the phosphorus atom to give it the stable octet structure, which gives the completed Lewis structure

3 0
3 years ago
What mass of oxygen is needed to burn 4g of hydrogen, given the equation below
aleksandrvk [35]

32g of oxygen is required to burn 4g of hydrogen.

Define molecular mass.

A specific molecule's mass is expressed in daltons and is known as the molecular mass (m) (Da or u). Due to the varying isotopes of an element that they contain, multiple molecules of the same substance can have distinct molecular weights.

The total atomic mass of every atom in a molecule, calculated using a scale with hydrogen, carbon, nitrogen, and oxygen having atomic masses of 1, 12, 14, and 16, respectively. For instance, water has a molecular mass of 18 (2 + 16), which consists of two hydrogen atoms and one oxygen atom. known also as molecular weight.

In ,2H2+O2-----> 2H2O

H 2 molecules have a mass of 2 g/mol.

The molecular weight of oxygen is 32 g/mol.

When the chemical equation is balanced,

To totally react, 32 g of oxygen are needed for every 22=4 g of hydrogen.

To know more about molecular mass use link below:

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7 0
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If you pour water into a hot metal pan, the water will absorb heat energy from the pan. Will the water come to the same temperat
Marina CMI [18]

Answer:

Yes

Explanation:

It is heating up both

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Nat2105 [25]

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