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Potential Energy00:52

Potential Energy

42.8K
The energy stored by a structure and location of matter in space is called potential energy. For instance, raising a kettlebell changes its spatial location and increases its potential energy. Similarly, a stretched rubber band contains potential energy which, under certain conditions, can be converted into other forms of energy, such as kinetic energy.
Chemical bonds that form attractive forces between atoms also contain potential energy, called chemical energy. When a chemical reaction...
42.8K
Potential Energy01:09

Potential Energy

1.0K
A conservative force, such as a gravitational or elastic force, gives the body the capacity to do work. This capacity, measured as the potential energy, depends on the body's location or “position” relative to a fixed reference position or datum. The gravitational potential energy is considered zero at the reference point. Suppose a body is located at some vertical distance above a fixed horizontal reference or datum. In that case, the weight of the body has positive gravitational potential...
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Standard Electrode Potentials03:02

Standard Electrode Potentials

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On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
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Cell Potential and Free Energy02:58

Cell Potential and Free Energy

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Thermodynamics of a Redox Reaction
Thermodynamics is the branch of physics dealing with the relationship between heat and other forms of energy. In an electrochemical cell, chemical energy is converted into electrical energy.
Thus, a link can be predicted between cell potential, free energy change, and the equilibrium constant for the reaction. Cell potential can also be measured as the oxidant or the reducing strength, and similar acid-base strength measures are reflected in equilibrium...
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The Resting Membrane Potential01:21

The Resting Membrane Potential

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Overview
143.1K
Electric Potential and Potential Difference01:16

Electric Potential and Potential Difference

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Suppose a positive test charge moves away from a positive static charge, then the Coulomb force does positive work, and its electric potential energy decreases. The potential energy per unit charge is defined as the electric potential. The electric potential is independent of the test charge.
When a test charge moves from the initial to the final position, the electric potential difference between those positions is defined as the ratio of the change in the potential energy to the charge on the...
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The MOF+ Technique: A Potential Multifunctional Platform.

Yang Yang Xiong1, Hui Qiong Wu1, Feng Luo1,2

  • 1School of Biology, Chemistry and Material Science, East China University of Technology, Nanchang, Jiangxi, 344000, China.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|May 9, 2018
PubMed
Summary
This summary is machine-generated.

Metal-organic frameworks (MOFs) typically leverage pores for guest molecule interactions. This study introduces a novel MOF+ technique to explore and utilize the often-overlooked MOF surface for advanced applications.

Keywords:
MOF+ techniqueadsorptionmetal-organic frameworksreductionsurface reaction

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • Metal-organic frameworks (MOFs) are widely recognized for their porous structures, enabling interactions with guest molecules for applications in storage, separation, and catalysis.
  • The abundant surface area of MOFs, another fundamental component, is frequently neglected due to the inherent stability of surface atoms or the risk of structural damage.
  • Understanding and utilizing the MOF surface is crucial for unlocking new functionalities and applications.

Purpose of the Study:

  • To introduce a novel surface-centric technique for metal-organic frameworks (MOFs), termed MOF+.
  • To provide a comprehensive overview of the design principles, underlying mechanisms, potential applications, current challenges, and future perspectives of this MOF+ technique.

Main Methods:

  • This concept article outlines a novel MOF+ technique focused on surface modification and utilization.
  • The methodology encompasses the design strategies for MOF surface engineering.
  • Discussion includes the mechanistic pathways for surface-guest interactions and applications.

Main Results:

  • The MOF+ technique offers a new paradigm for MOF research by focusing on surface properties.
  • It addresses the limitations of traditional pore-centric approaches by enabling controlled surface interactions.
  • Potential applications span various fields, leveraging the unique surface characteristics of MOFs.

Conclusions:

  • The MOF+ technique presents a promising avenue for advancing MOF applications by systematically addressing their surface.
  • Further research into the design, mechanism, and applications of MOF+ is warranted.
  • This approach has the potential to overcome current limitations and expand the utility of MOFs in diverse scientific and technological domains.