O QUE SIGNIFICA COLLIGATIVE EM INGLÊS
Propriedades coligativas
Na química, as propriedades coligativas são propriedades de soluções que dependem da proporção do número de partículas de soluto para o número de moléculas de solvente em uma solução, e não sobre o tipo de espécies químicas presentes. Esta relação de número pode ser relacionada às várias unidades para concentração de soluções. Aqui, devemos considerar apenas as propriedades que resultam devido à dissolução do soluto não volátil em um solvente líquido volátil. Eles são independentes da natureza das partículas de soluto e são devidos essencialmente à diluição do solvente pelo soluto. A palavra coligativa é derivada do significado do coligato latino unido. As propriedades coligativas incluem: ▪ Abaixamento relativo da pressão de vapor ▪ Elevação do ponto de ebulição ▪ Depressão do ponto de congelamento ▪ Pressão osmótica. A medição de propriedades coligativas para uma solução diluída de um soluto não ionizado, como ureia ou glicose em água ou outro solvente, pode levar a determinações de massas molares relativas, tanto para moléculas pequenas como para polímeros que não podem ser estudados por outros meios.
definição de colligative no dicionário inglês
A definição de coligativa no dicionário depende das concentrações de átomos, íons e moléculas que estão presentes, em vez de sua natureza.
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10 LIVROS EM INGLÊS RELACIONADOS COM «COLLIGATIVE»
Descubra o uso de
colligative na seguinte seleção bibliográfica. Livros relacionados com
colligative e pequenos extratos deles para contextualizar o seu uso na literatura.
1
Chemistry: Principles and Practice
One colligative property differs from another in the units in which the solute
concentration is expressed. In most cases, the property is expressed as a
difference between its value in the solution and its value in the pure solvent.
Table 12.5 ...
Daniel Reger, Scott Goode, David Ball,
2009
2
Essentials of Physical Chemistry and Pharmacy
The physical properties can be classified as additive, constitutive and colligative.
An additive property is one which is the sum of the corresponding properties of
the individual constituents of a system, for example, mass is a strictly additive ...
Hari Jeevan Arnikar, S. S. Kadam, K. N. Gujar,
1992
3
Remington: The Science and Practice of Pharmacy
CHAPTER In a preceding chapter, attention was directed to the colligative
properties of nonelectrolytes, or substances whose aqueous solutions do not
conduct electricity. Substances whose aqueous solutions conduct electricity are
known as ...
David B. Troy, Paul Beringer,
2006
4
The Basics of Chemistry
Properties that depend on the amount of solute present in a solution are termed
colligative properties. Colligative means collective properties. These properties
are termed colligative, because the properties depend on the collective number
of ...
5
Biophysics & Biophysical Chemistry
Ions of strong electrolytes influence the membrane potential and other electrical
properties of cellular membranes. Colligative properties Colligative properties of
a solution are those properties which depend for their magnitudes on the number
...
6
Plant Cryopreservation: A Practical Guide: A Practical Guide
After this breakthrough, mammalian and health care cryobiological research
explored the mode of action of cryoprotectants in terms of colligative theory (
Lovelock 1953; Meryman and Williams 1980, 1985). In Lovelock's key study, red
blood ...
7
Question Bank In Chemistry For Class Xii
For these reasons, we preferred osmotic pressure over other colligative
properties. 32. Why is freezing-point depression of 0.100 m sodium chloride
solution nearly twice that of 0.100 m glucose solution? Ans. Sodium chloride
dissolves in ...
8
Excel With Systematic Numerical Chemistry
Colligative property. Lowering of vapour pressure, elevation of boiling point,
depression of freezing point and osmotic pressure are colligative properties.
They depend on the number of solute particles in solution and not on their
identity.
9
A Textbook of Physical Chemistry
... The Solubility Curves 403 Chapter 11 Dilute Solutions—Colligative Properties
408 11.1 Introduction 408 11.2 Lowering of Vapour Pressure of Solvent 408 11.3
Experimental Measurement of Vapour Pressure Lowering 410 11.4 Elevation of ...
Colligative. Properties. Consider the solvent of a solution. It is typically defined as
the component with the majority mole fraction, although with concentrated
aqueous solutions this definition is often relaxed. Compare the properties of a
solution ...
10 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «COLLIGATIVE»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
colligative no contexto das seguintes notícias.
Prometheus Unbound: The Fitness of Nature for Large Trees
It is this very counterintuitive property of a fluid -- especially water, because its colligative properties are so pronounced -- of having "tensile ... «Discovery Institute, mar 15»
In LHC's Shadow, America's Collider Awakens
... only machine capable of investigating nuclear colligative properties ... proton (atomic weight 1) collisions will miss this colligative approach ... «Quanta Magazine, mar 15»
How Using The Antifreeze Proteins Of Ticks May Protect Us From …
“Antifreeze proteins (AFPs) contribute to cold hardiness by reducing cold-induced damage in a non-colligative manner, binding directly to the ... «Medical Daily, fev 15»
Necessary action: MoU signed for 63 Reverse Osmosis plants
... an applied pressure is used to overcome osmotic pressure, a colligative property, driven by chemical potential, a thermodynamic parameter. «The Express Tribune, ago 14»
Measurement of the Osmolarity of Salt Solutions using Semi-micro …
The osmotic pressure is a colligative property and can be determined by quantifying the freezing point, which is relative to the osmotic pressure. «News-Medical.net, mai 14»
Out of the Deep Freeze: Captain America, the Winter Soldier and the …
The basic mechanism of cryoprotection in wood frogs is related to the colligative properties of body fluids, particularly a reduction in the ... «Scientific American, abr 14»
RHS science teacher's work included in The Chemical Educator
The paper, "Simple Colligative Properties Laboratory Experiment," is designed for college and high school students. It describes a novel ... «GreerToday, fev 14»
Confusion Over Scientific Nomenclature Is Par For The Chemistry …
It's possible to interconvert the terms, a task he considers neither time-consuming nor difficult. What's more, he explains, colligative properties of ... «The Biological SCENE, fev 14»
Freeze-pops: Trees can crack in the North Country cold, but …
This is due to something known as the “Colligative Property of Solutions,” as you no doubt recall from General Chemistry. (Actually it's just as ... «North Country Now, jan 14»
The science behind sweating
“Colligative properties only apply to solutions. They are a property of solutions that depend on the number of dissolved particles in the solution. «The Aggie, nov 13»