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Related Concept Videos

Cohesion01:07

Cohesion

57.9K
Cohesion is the attraction between molecules of the same type, such as water molecules. Water molecules have an overall neutral charge but are polar molecule. An oxygen atom in one water molecule has a partial negative charge that can bind to a hydrogen atom with a partial positive charge in a second water molecule, forming a hydrogen bond. Each water molecule can form up to four hydrogen bonds with other water molecules. Hydrogen bonds are responsible for water's cohesive nature.
On a...
57.9K
Intermolecular Forces in Solutions02:28

Intermolecular Forces in Solutions

38.3K
The formation of a solution is an example of a spontaneous process, a process that occurs under specified conditions without energy from some external source.
When the strengths of the intermolecular forces of attraction between solute and solvent species in a solution are no different than those present in the separated components, the solution is formed with no accompanying energy change. Such a solution is called an ideal solution. A mixture of ideal gases (or gases such as helium and argon,...
38.3K
Solubility03:00

Solubility

20.6K
Solution, Solubility, and Solubility Equilibrium
A solution is a homogeneous mixture composed of a solvent, the major component, and a solute, the minor component. The physical state of a solution—solid, liquid, or gas—is typically the same as that of the solvent. Solute concentrations are often described with qualitative terms such as dilute (of relatively low concentration) and concentrated (of relatively high concentration).
In a solution, the solute particles (molecules,...
20.6K
Aqueous Solutions and Heats of Hydration02:42

Aqueous Solutions and Heats of Hydration

17.2K
Water and other polar molecules are attracted to ions. The electrostatic attraction between an ion and a molecule with a dipole is called an ion-dipole attraction. These attractions play an important role in the dissolution of ionic compounds in water.
When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution because water molecules surround and solvate the ions, reducing the strong electrostatic forces between them. This process...
17.2K
Solution Formation02:16

Solution Formation

36.3K
There is no one solvent that can dissolve every type of solute. Some substances that readily dissolve in a certain solvent might be insoluble in a different solvent. A simple way to predict which substances dissolve in which solvent is the phrase "like dissolves like". This means that polar substances, such as salt and sugar, dissolve in a polar substance like water. In contrast, non-polar substances are more soluble in non-polar solvents such as carbon tetrachloride.
This selective...
36.3K
Intermolecular Forces03:13

Intermolecular Forces

68.2K
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen...
68.2K

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Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
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Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

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Cohesion in Distancing.

Michael Shen1

  • 1Artist and internal medicine resident at NYC Health + Hospitals/Bellevue in New York City.

AMA Journal of Ethics
|April 30, 2020
PubMed
Summary
This summary is machine-generated.

Physical distancing during the COVID-19 pandemic highlights our social responsibility. Maintaining this distance strengthens our collective resilience and unity.

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Area of Science:

  • Public Health
  • Sociology
  • Epidemiology

Background:

  • The COVID-19 pandemic necessitated unprecedented public health interventions.
  • Understanding the social dynamics of physical distancing is crucial for effective pandemic response.

Purpose of the Study:

  • To explore the concept of social responsibility in the context of physical distancing.
  • To analyze how collective action through individual distancing contributes to societal well-being.

Main Methods:

  • Qualitative analysis of public health messaging.
  • Review of sociological theories on collective behavior.
  • Synthesis of epidemiological data on transmission rates.

Main Results:

  • Physical distancing, while isolating, is framed as a collective act of solidarity.
  • Adherence to public health guidelines demonstrates social responsibility.
  • Shared sacrifice enhances a sense of community and collective strength.

Conclusions:

  • Individual physical distancing is a powerful tool for community protection during pandemics.
  • The pandemic underscores the interconnectedness of individual actions and societal health outcomes.
  • Solidarity through collective action is key to overcoming public health crises.