Phase changes are related because they all result due to increase or decrease of intermolecular forces between them.
Explanation:
A phase change occurs when a substance changes from one state(solid,liquid,gas) to another state. Temperature and pressure play major role in facilitating the transition process. Intermolecular forces that allow the molecules in a substance to pack together will either decrease or increase to result into a phase change.
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Phase change : brainly.com/question/13067020
Keyword : phase
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Answer:
![\large\boxed{\text{2.00 mol of KCl}}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7B%5Ctext%7B2.00%20mol%20of%20KCl%7D%7D)
Explanation:
2K + Cl₂ ⟶ 2KCl
n/mol: 2.00
2 mol of KCl are formed from 2 mol of K
![\text{Moles of KCl} = \text{2.00 mol K} \times \dfrac{\text{2 mol KCl}}{\text{2 mol K}} = \textbf{2.00 mol KCl}\\\\\text{The reaction produces $\large\boxed{\textbf{2.00 mol of KCl}}$}](https://tex.z-dn.net/?f=%5Ctext%7BMoles%20of%20KCl%7D%20%3D%20%5Ctext%7B2.00%20mol%20K%7D%20%5Ctimes%20%5Cdfrac%7B%5Ctext%7B2%20mol%20KCl%7D%7D%7B%5Ctext%7B2%20mol%20K%7D%7D%20%3D%20%5Ctextbf%7B2.00%20mol%20KCl%7D%5C%5C%5C%5C%5Ctext%7BThe%20reaction%20produces%20%24%5Clarge%5Cboxed%7B%5Ctextbf%7B2.00%20mol%20of%20KCl%7D%7D%24%7D)
Answer is: 3) H2O and HCl.
Polar molecules are water (H₂O) and hydrochloric acid (HCl).
Nonpolar molecules are carbon(IV) oxide (CO₂) and methane (CH₄).
Carbon(IV) oxide is nonpolar because CO₂ is linear molecule and the oxygen atoms are symmetrical (bond angles 180°).
Water is polar because of the bent shape of the molecule.
Hydrochloric acid has polar covalent chemical bond where hydrogen has oxidation umber +1 and chlorine oxidation number -1.
In molecule of methane (CH₄) all the atoms around the central element (carbon) are equivalent (four hydrogens) and it has a net dipole moment of 0 (vectors of dipole moments cancel each other, dipole moment is zero).