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Related Concept Videos

Ideal Solutions02:24

Ideal Solutions

22.6K
According to Raoult’s law, the partial vapor pressure of a solvent in a solution is equal or identical to the vapor pressure of the pure solvent multiplied by its mole fraction in the solution. However, Raoult's Law is only valid for ideal solutions. For a solution to be ideal, the solvent-solute interaction must be just as strong as a solvent-solvent or solute-solute interaction. This suggests that both the solute and the solvent would use the same amount of energy to escape to the...
22.6K
General Properties of Solutions02:12

General Properties of Solutions

36.0K
Many common substances around us exist as a solution, such as ocean water, air, and gasoline. All solutions are mixtures of substances that are composed of varying amounts of two or more types of atoms or molecules. A mixture with a non-uniform composition is a heterogeneous mixture, whereas a mixture with a uniform composition is a homogeneous mixture. The components that make the homogeneous mixture are evenly spread out and thoroughly mixed. 
36.0K
Solution Formation02:16

Solution Formation

38.0K
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...
38.0K
Enthalpy of Solution02:39

Enthalpy of Solution

31.1K
There are two criteria that favor, but do not guarantee, the spontaneous formation of a solution:
31.1K
Standard Solutions01:14

Standard Solutions

2.5K
Standard solutions refer to solutions with a precisely known concentration or composition. A primary standard is a highly pure, high molar mass, stable substance that is entirely soluble in water, the most commonly used solvent in analytical chemistry. The primary standard solution can be used to standardize secondary standards, which are substances with known concentrations but are less pure and stable. Standard solutions are essential for achieving accurate and reliable results in analytical...
2.5K
Blank Solutions00:56

Blank Solutions

1.3K
A blank solution is a solution that does not contain the analyte, or the substance of interest being tested or measured. It is typically prepared using the same reagents and procedure as the sample solution but without adding the analyte. The primary purpose of preparing a blank solution is to account for any background interference or contamination that may affect the accuracy and reliability of the analytical method.
In some experimental cases, the reagents, solvents, or lab equipment used in...
1.3K

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Related Experiment Video

Updated: Feb 10, 2026

A Real-world What-Where-When Memory Test
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A Real-world What-Where-When Memory Test

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Real-world solutions for orthopaedic on-call problems.

Samuel G Agnew1, Robert H Blotter, Paul K Kosmatka

  • 1Orthopaedic Trauma Practice Consultants, Lutz, FL, USA.

Instructional Course Lectures
|February 4, 2012
PubMed
Summary

Emergency departments face a growing crisis in orthopedic on-call coverage due to surgeon opt-outs. Strategies like incentives and restructuring are needed to ensure adequate specialist availability.

Area of Science:

  • Orthopaedic Surgery
  • Healthcare Management

Background:

  • Increasing emergency departments report inadequate on-call specialist numbers.
  • This leads to a crisis in emergency department (ED) coverage for orthopedic care.
  • Many orthopedic surgeons are opting out of ED on-call services.

Purpose of the Study:

  • To address the growing crisis in emergency department on-call coverage for orthopedic patients.
  • To explore strategies for improving orthopedic on-call participation and coverage.

Main Methods:

  • Review of factors contributing to the dwindling supply of on-call orthopedic surgeons.
  • Exploration of potential solutions including incentives, improved governance, financial adjustments, locum tenens outsourcing, and hospitalist programs.

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Main Results:

  • Multiple factors contribute to the difficulty in fulfilling on-call obligations.
  • Incentivizing on-call service is a potential initial strategy.
  • Restructuring on-call arrangements may be necessary.

Conclusions:

  • The crisis in orthopedic ED on-call coverage requires multifaceted solutions.
  • Strategies must address causative factors in practice settings.
  • Incentives, financial improvements, and program restructuring are key considerations.