Tali vave: O le a le mea e iloa ai le mea e pupuna ai?

Ituaiga o Molecules: o ituaiga o molemole e faia ai se vai faʻatonu lona pupuna itu. Afai o le intermolecular malosiaga i le va o mole e: matua malosi, o le pupuna manatu o le a fai si maualuga. fai si vaivai, o le pupuna manatu o le a fai lava maualalo.

O le a le afaina o le pupuna pupuna?

The boiling point of a liquid depends on temperature, atmospheric pressure, and the vapor pressure of the liquid. When the atmospheric pressure is equal to the vapor pressure of the liquid, boiling will begin. When a liquid boils, what is inside the bubbles?

O le a le mea e sili atu ai le maualuga

Fa'apuna. … O molelaʻau tetele e iai le tele o electrons ma nuclei e fausia ai van der Waals malosi faatosina, o lea e masani ai ona maualuga atu a latou mea faʻapipiʻi nai lo mea faʻapipiʻi tutusa e faia i molelaiti laiti.

How do you predict boiling points?

3 Fa'asologa e A'afia ai Fa'apuna

  1. O le malosi fa'atatau o 'au va'ava'ale'a e fa o le: Ionic > Hydrogen bonding > dipole dipole > Van der Waals dispersion forces. …
  2. E fa'atupula'ia mea fa'apuna a'o fa'ateleina le aofa'i o kaponi.
  3. O le lala e fa'aitiitia ai le mea e pupuna ai.
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25 oketopa 2010 g.

What affects boiling point in organic chemistry?

As the number of carbon atoms increases or the length of carbon-carbon chain increases, the boiling point also increases. This is because the force of attraction between the molecules increases as the molecule gets longer and has more electrons.

E fa'afefea ona e iloa o le a le mea e sili ona maualuga lona fa'apuna?

Fa'apuna ma Omiga. … Mafaufau o le mamafa i luga aʻe o le vai o loʻo oomi i lalo i luga o le fogaeleele, e faigata ai mo mole mole ona sosola i totonu o le vaega o le kesi. O le tele o le mamafa, o le tele o le malosi e manaʻomia, o le mea lea e maualuga ai le mea faʻafefe i le maualuga o le mamafa.

O le a le mea e aʻafia ai le faʻaliusuavai ma le pupuna?

When molecules are tightly packed together, a substance has a higher melting point than a substance with molecules that do not pack well. For example, symmetrical neopentane molecules have a higher melting point than isopentane, in which molecules do not pack well. Molecular size also affects the melting point.

O le a le suavai o loʻo maualuga le pupuna?

Fa'amatalaga: Acetone 56.0 ∘C .

What is the trend in boiling point?

The increase in boiling (and melting point) can be attributed to the increase in intermolecular forces (van der Waals). The number of electrons increases in each element going down the group, this leads to an increase in temporary dipoles which can be set up.

O le fea vailaʻau o loʻo i ai le maualuga liusuavai ma faʻapunaina togi?

In the absence of nucleators water can exist as a supercooled liquid down to −48.3 °C (−54.9 °F; 224.8 K) before freezing. The chemical element with the highest melting point is tungsten, at 3,414 °C (6,177 °F; 3,687 K); this property makes tungsten excellent for use as electrical filaments in incandescent lamps.

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E i ai ni faʻamaʻa maualuga aisa i le 'ava malosi?

O mea fa'apuna o 'ava mālosi e sili atu le maualuga nai lo mea o alkana e tutusa le mamafa mole mole. … O le tele o nei eseesega e mafua mai i le malosi o le ethanol ma isi ava malosi e fausia ai sootaga o le hydrogen intermolecular. (Va'ai le pipii o vaila'au: Intermolecular forces mo se talanoaga o le fa'aogaina o le hydrogen.)

O le fea lotoa e iai le pito pupuna pito maualalo?

1 Tali Tomai

The one with the weakest IMF will have the lowest boiling point. CH4 has only dispersion forces while all the others have dispersion PLUS either dipole-dipole (HCl, H2S, NH3), and/or hydrogen bonding (NH3). So, CH4 will have the lowest boiling point.

O le a le mea e pupuna ai le HCL?

-121.1 ° F (-85.05 ° C)

How do you determine a compound’s boiling point?

Intermolecular forces (IMFs) e mafai ona faʻaogaina e vaʻai ai mea faʻafefe. O le malosi o le IMF, o le faʻaitiitia o le mamafa o le ausa o le mea ma maualuga le mea e faʻafefe ai. O le mea lea, e mafai ona tatou faʻatusatusa le malosi faʻatatau o le IMF o mea faʻapipiʻi e vaʻai ai a latou mea faʻafefe.

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