Related Concept Videos
01:17Work Done During Volume Change
5.0K
In mechanics, work is done on an object when the force acting on it displaces the object. In thermodynamics, work done on a system can be estimated when the system's volume changes during any thermodynamic process.
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as
5.0K
01:20Volume of Distribution
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The apparent volume of distribution (Vd) is a crucial pharmacokinetic parameter representing the hypothetical body fluid volume into which a drug disperses. It is calculated based on the total amount of drug in the body (estimated from the administered dose and bioavailability) divided by the plasma drug concentration. The total amount of drug in the body does not directly refer to the dose given but is derived by accounting for absorption, distribution, metabolism, and excretion processes.
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02:32Le Chatelier's Principle: Changing Volume (Pressure)
39.8K
For gas-phase equilibria, changes in the concentrations of reactants and products can occur with altered volume and pressure. The partial pressure, P, of an ideal gas is proportional to its molar concentration, M.
39.8K
01:27Pressure and Volume in an Adiabatic Process
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Free expansion of a gas is an adiabatic process. However, there are few differences between free expansion and adiabatic expansion. During free expansion, no work is done, and there is no change in internal energy. But, for an adiabatic expansion, work is done, and there is a change in internal energy. During an adiabatic process, the relation between the pressure and volume is obtained from the condition for the adiabatic process, that is,
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01:15Respiratory Volumes
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Respiratory volumes are crucial metrics, meticulously measured to quantify the air exchanged in and out of the lungs during various phases of the breathing cycle. These precise measurements are vital for assessing lung function, diagnosing respiratory conditions, and monitoring overall respiratory health. Each parameter provides specific insights into the mechanics of breathing and the functional capacity of the lungs.
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
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01:22Respiratory Volumes and Capacities
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The respiratory system is responsible for the intake of oxygen and the expulsion of carbon dioxide from the body. Respiratory volumes describe the volume of air in the lungs at different phases of the respiratory cycle. Tidal volume is the air breathed in and out during normal, quiet breathing. Inspiratory reserve volume is the air that can be forcefully inspired beyond the tidal volume. In contrast, expiratory reserve volume refers to the air that can be expelled from the lungs after a normal...
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Volume 15-Change is Coming!
1ChemMedChem, co-owned by ChemPubSoc Europe, Wiley-VCH, Boschstrasse 12, 69469, Weinheim, Germany.
Chemmedchem
|January 14, 2020
Summary
ChemMedChem reviews 2019 activities and introduces 2020 plans, including new special collections and board members. This editorial provides insights into the journal's future direction and key developments.
Area of Science:
- Chemistry
- Medicinal Chemistry
- Scientific Publishing
Background:
- Review of ChemMedChem's 2019 journal activities.
- Overview of upcoming special collections and features for 2020.
- Introduction of new Editorial and International Advisory Board members.
Discussion:
- Editor's perspective on the journal's progress and strategic initiatives.
- Highlighting key developments within ChemPubSoc Europe for the upcoming year.
- Emphasis on the journal's commitment to advancing chemical and medicinal sciences.
Key Insights:
- ChemMedChem's 2019 performance and 2020 strategic roadmap.
- Introduction of new editorial leadership and advisory members.
- Anticipation of new content and features to enhance scientific discourse.
Outlook:
- Forward-looking perspective on ChemMedChem's role in scientific communication.
- Anticipated impact of new editorial board members on journal scope and quality.
- Excitement for upcoming special collections and their contribution to medicinal chemistry research.