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Related Concept Videos

Hydrolysis01:15

Hydrolysis

Overview
Hydrolysis is a chemical reaction in which the addition of water breaks down a polymer into its simpler monomer units. For example, peptides break into amino acids, carbohydrates into simple sugars, and DNA into nucleotides. Enzymes often facilitate these processes.
Hydrolysis Reverses Dehydration Synthesis
Complex carbohydrates can be broken down by breaking the bonds between individual sugar units. The reaction breaks a glycosidic bond as water is added to the compound. The...
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Catalysis

The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.
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Ethers from Alcohols: Alcohol Dehydration and Williamson Ether Synthesis

Overview
Ethers can be prepared from organic compounds by various methods. Some of them are discussed below,
Preparation of Ethers by Alcohol Dehydration
In this method, in the presence of protic acids, alcohol dehydrates to produce alkenes and ethers under different conditions. For example, in the presence of sulphuric acid, dehydration of ethanol at 413 K yields ethoxyethane, whereas it yields ethene at 443 K.
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Preparation of Alcohols via Addition Reactions

Overview
The acid-catalyzed addition of water to the double bond of alkenes is a large-scale industrial method used to synthesize low-molecular-weight alcohols. An acidic atmosphere is required to allow the hydrogen in the water molecule to act as an electrophile and attack the double bond in an alkene. The addition of a proton to the double bond creates a carbocation intermediate. The proton preferentially bonds to the less substituted end of the double bond to create a more stable carbocation...
Aldehydes and Ketones with Water: Hydrate Formation01:20

Aldehydes and Ketones with Water: Hydrate Formation

An oxygen-based nucleophile, like water, can undergo addition reactions with aldehydes and ketones. The reaction leads to the formation of hydrates, also referred to as 1,1-diols or geminal diols.
The formation of hydrates is a reversible reaction. Hydrate formation is influenced by steric and electronic factors accompanying the alkyl substituents on the carbonyl group: The rate of hydrate formation increases with a decrease in the number of alkyl groups attached to the carbonyl carbon. Hence,...
Catalysis01:27

Catalysis

Catalysis influences the rate of chemical reactions by providing an alternative reaction pathway with lower activation energy. A catalyst speeds up a reaction, but it is not consumed during the process. The fundamental principle of catalysis is the ability of a catalyst to alter the reaction mechanism, often introducing a more efficient pathway than the uncatalyzed process.In a catalyzed reaction, the catalyst participates directly in the reaction mechanism. It interacts with reactants to form...

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A Toolkit to Enable Hydrocarbon Conversion in Aqueous Environments
20:28

A Toolkit to Enable Hydrocarbon Conversion in Aqueous Environments

Published on: October 2, 2012

Workshop 1 (synthesis): water as a catalyst for development.

P Holmes1, J Kuylenstierna

  • 1Mount Nicholson Consulting, 57 Lucerne Ave., Bicester, OX26 3EG, UK. prholmes@mountnicholson.co.uk

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|May 7, 2003
PubMed
Summary
This summary is machine-generated.

Water resource allocation is a political challenge requiring the inclusion of political lobbyists and advisors in water management. Education at all levels is vital for successful water development strategies.

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Area of Science:

  • Environmental Science
  • Political Science
  • Water Resource Management

Background:

  • Water resource allocation presents significant political challenges.
  • Effective water management necessitates the integration of political expertise.

Purpose of the Study:

  • To highlight the political dimensions of water resource allocation.
  • To emphasize the role of political lobbyists and advisors in water management.
  • To underscore the importance of education in water development.

Main Methods:

  • Analysis of political science principles in water management.
  • Review of case studies on water resource allocation.
  • Literature review on the intersection of politics and water.

Main Results:

  • Water allocation is inherently a political process.
  • Political lobbyists and advisors are essential components of modern water management teams.
  • Educational initiatives are critical for advancing water development strategies.

Conclusions:

  • Integrating political strategies into water management is crucial for equitable resource distribution.
  • Comprehensive education programs are fundamental to sustainable water resource development and policy implementation.