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Heat

Stephen J. Blundell and Katherine M. Blundell

in Concepts in Thermal Physics

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199562091
eISBN:
9780191718236
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199562091.003.0002
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter explores the concepts of heat and heat capacity. Heat is defined as 'thermal energy in transit'. The heat capacity C of an object is given by C = dQ/dT. The heat capacity of a substance ... More


FLUCTUATION THERMODYNAMICS

Anatoly Larkin and Andrei Varlamov

in Theory of Fluctuations in Superconductors

Published in print:
2005
Published Online:
September 2007
ISBN:
9780198528159
eISBN:
9780191713521
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198528159.003.0002
Subject:
Physics, Condensed Matter Physics / Materials

This chapter introduces the Ginzburg-Landau functional and provides a general description of fluctuation thermodynamics within the framework of the functional integration over the fluctuation fields ... More


Molecular structure and macroscopic properties: Calorimetry and thermodynamics

ANGELO GAVEZZOTTI

in Molecular Aggregation: Structure analysis and molecular simulation of crystals and liquids

Published in print:
2006
Published Online:
January 2010
ISBN:
9780198570806
eISBN:
9780191718779
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570806.003.0007
Subject:
Physics, Atomic, Laser, and Optical Physics

Spectroscopic and diffraction experiments can give a detailed picture of molecular objects. The dimensions of a water molecule are known with extreme reliability and accuracy. In real life, however, ... More


Energy

Stephen J. Blundell and Katherine M. Blundell

in Concepts in Thermal Physics

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199562091
eISBN:
9780191718236
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199562091.003.0011
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter focuses on one of the key concepts in thermal physics, that of energy. What happens when energy is changed from one form to another? How much work can you get out of a quantity of heat? ... More


Low-dimensional structures

E. R. DOBBS

in Helium Three

Published in print:
2001
Published Online:
January 2010
ISBN:
9780198506409
eISBN:
9780191709463
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198506409.003.0016
Subject:
Physics, Condensed Matter Physics / Materials

This chapter begins with a discussion of the theory of two-dimensional (2D) Fermi fluid. Two important substrates, nucleopore and aerogel, are described as an introduction to the experiments on heat ... More


Elastic, thermal, and lattice dynamical properties

Victor F. Petrenko and Robert W. Whitworth

in Physics of Ice

Published in print:
2002
Published Online:
February 2010
ISBN:
9780198518945
eISBN:
9780191707247
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198518945.003.0003
Subject:
Physics, Crystallography: Physics

This chapter focuses on those effects that depend on small displacements of atoms from their equilibrium sites. It starts with the theory of anisotropic elasticity as applied to a crystalline ... More


Structure-property and structure–activity relationships

ANGELO GAVEZZOTTI

in Molecular Aggregation: Structure analysis and molecular simulation of crystals and liquids

Published in print:
2006
Published Online:
January 2010
ISBN:
9780198570806
eISBN:
9780191718779
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570806.003.0011
Subject:
Physics, Atomic, Laser, and Optical Physics

The study of the structure and transformations of organic condensed phases is at the forefront of modern chemistry. One reason for this is that these structures and transformations are poorly ... More


First Law, internal energy

Andrew M. Steane

in Thermodynamics: A complete undergraduate course

Published in print:
2016
Published Online:
January 2017
ISBN:
9780198788560
eISBN:
9780191830426
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788560.003.0007
Subject:
Physics, Theoretical, Computational, and Statistical Physics

The first law of thermodynamics is discussed at length, and ideas and methods based on work and energy are discussed. First the definition of the first law in terms of work in adiathermal conditions ... More


The liquid state

ANGELO GAVEZZOTTI

in Molecular Aggregation: Structure analysis and molecular simulation of crystals and liquids

Published in print:
2006
Published Online:
January 2010
ISBN:
9780198570806
eISBN:
9780191718779
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570806.003.0009
Subject:
Physics, Atomic, Laser, and Optical Physics

In the gaseous state, molecules are to a good approximation isolated entities traveling in space at high speed with sparse and near elastic collisions. At the other extreme, a perfect crystal has a ... More


Thermodynamic Properties

Takamichi Iida and Roderick I.L. Guthrie

in The Thermophysical Properties of Metallic Liquids: Volume 1 — Fundamentals

Published in print:
2015
Published Online:
November 2015
ISBN:
9780198729839
eISBN:
9780191796654
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198729839.003.0004
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses some of the more important thermodynamic properties of liquid metallic elements in the area of materials process science. These are evaporation enthalpy, vapour pressure, and ... More


The First Law of Thermodynamics

Dennis Sherwood and Paul Dalby

in Modern Thermodynamics for Chemists and Biochemists

Published in print:
2018
Published Online:
August 2018
ISBN:
9780198782957
eISBN:
9780191826177
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198782957.003.0005
Subject:
Physics, Theoretical, Computational, and Statistical Physics

The First Law of Thermodynamics, and how the First Law relates a change in a state function, internal energy, to changes in the path functions work and heat. Thermodynamic cycles. Heat capacities at ... More


Thermochemistry

Christopher O. Oriakhi

in Chemistry in Quantitative Language: Fundamentals of General Chemistry Calculations

Published in print:
2009
Published Online:
November 2020
ISBN:
9780195367997
eISBN:
9780197562635
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195367997.003.0024
Subject:
Chemistry, Analytical Chemistry

All chemical reactions involve energy changes. Some reactions liberate heat to the surroundings; others absorb heat from the surroundings. The breaking of chemical bonds in reactants and the ... More


Enthalpy and thermochemistry

Dennis Sherwood and Paul Dalby

in Modern Thermodynamics for Chemists and Biochemists

Published in print:
2018
Published Online:
August 2018
ISBN:
9780198782957
eISBN:
9780191826177
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198782957.003.0006
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Definition and mathematics of enthalpy. Definition of heat capacity at constant pressure as CP = (∂H/∂T)V. Endothermic and exothermic reactions. Role of the change in enthalpy as regards the ... More


Metallic Compounds

Mark Ladd

in Bonding, Structure and Solid-State Chemistry

Published in print:
2016
Published Online:
May 2016
ISBN:
9780198729945
eISBN:
9780191818783
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198729945.003.0005
Subject:
Physics, Condensed Matter Physics / Materials

Chapter 5 is devoted to the properties of the metallic bond and semiconductors. The Drude–Lorentz free-electron model is discussed together with its applications. The Hall effect demonstrates the ... More


Ideal gas processes – and two ideal gas case studies too

Dennis Sherwood and Paul Dalby

in Modern Thermodynamics for Chemists and Biochemists

Published in print:
2018
Published Online:
August 2018
ISBN:
9780198782957
eISBN:
9780191826177
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198782957.003.0007
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter brings together, and builds on, the results from previous chapters to provide a succinct, and comprehensive, summary of all key relationships relating to ideal gases, including the heat ... More


Heat: the missing piece to the puzzle

Robert T. Hanlon

in Block by Block: The Historical and Theoretical Foundations of Thermodynamics

Published in print:
2020
Published Online:
April 2020
ISBN:
9780198851547
eISBN:
9780191886133
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198851547.003.0013
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Historians explore the various theories of heat and the invention of the thermometer that eventually served to quantify the energy related to heat.


Thermodynamics and general properties

A.V. Narlikar

in Superconductors

Published in print:
2014
Published Online:
June 2014
ISBN:
9780199584116
eISBN:
9780191747496
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199584116.003.0004
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses the essential thermodynamic aspects of superconductors (with details left to an appendix for the interested reader). Four prominent thermal properties described are heat ... More


Elementary Theories of the Thermal Properties of Solids

J. B. Ketterson

in The Physics of Solids

Published in print:
2016
Published Online:
December 2016
ISBN:
9780198742906
eISBN:
9780191821523
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198742906.003.0004
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses the thermal properties of solids. A fundamental thermodynamic property of a body is its heat capacity, C ≡ dQ/dT, where dQ is an increment of heat transferred to the body and ... More


Energy: science (and some history)

Robert T. Hanlon

in Block by Block: The Historical and Theoretical Foundations of Thermodynamics

Published in print:
2020
Published Online:
April 2020
ISBN:
9780198851547
eISBN:
9780191886133
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198851547.003.0005
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Energy lies at the core of the first law of thermodynamics as a concept to quantify change. Events happen but total energy remains the same. It’s the change in energy that matters. The realization ... More


The Dissociation of Small and Large Clusters

Tomas Baer and William L. Hase

in Unimolecular Reaction Dynamics: Theory and Experiments

Published in print:
1996
Published Online:
November 2020
ISBN:
9780195074949
eISBN:
9780197560297
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195074949.003.0012
Subject:
Chemistry, Theoretical Chemistry

Clusters are aggregates of loosely bonded molecules, in which each of the units retains the structure that it has as a free molecule. Because of the weak interactions among the molecules, clusters ... More


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