Related Experiment Video
Updated: Dec 30, 2025

05:20
Characterization of Thermal Transport in One-dimensional Solid Materials
Published on: January 26, 2014
19.1K
Specific Heat and Transport Functions ofWater.
Francesco Mallamace1,2, Carmelo Corsaro3, Domenico Mallamace3
1Department of Nuclear Science and Engineering, Massachusetts Institute of Technology,Cambridge, MA 02139, USA.
International Journal of Molecular Sciences
|January 23, 2020
Summary
Water
Area of Science:
- Physical Chemistry
- Thermodynamics
- Materials Science
Background:
- Water's unique hydrogen bonding properties are temperature-dependent.
- Structural and dynamic changes in water at low temperatures are not fully understood.
- The relationship between water's thermodynamic and dynamic properties requires further investigation.
Purpose of the Study:
- To investigate the connection between the thermodynamic and dynamic characteristics of liquid water.
- To compare the thermal behavior of water's specific heat with its configurational entropy contribution.
- To analyze water's properties under varying confinement conditions.
Main Methods:
- Experimental measurement of isobaric specific heat of water under confinement.
- Theoretical evaluation of water's thermal behavior.
- Application of the Adam-Gibbs approach to determine configurational entropy from self-diffusion coefficients.
Main Results:
- A maximum in the specific heat of water was observed around 225 K.
- Configurational contributions to entropy were found to be dominant at low temperatures.
- Strong correlation identified between water's thermodynamic and dynamic properties.
Conclusions:
- Thermodynamic and dynamic properties of water are intrinsically linked.
- Low-temperature behavior of water is significantly influenced by its molecular rearrangements.
- Confinement conditions play a crucial role in water's thermal and dynamic characteristics.
Related Concept Videos
Heat Flow and Specific Heat
6.5K
Heat is a type of energy transfer that is caused by a temperature difference, and it can change the temperature of an object. Since heat is a form of energy, its SI unit is the joule (J). Another common unit of energy often used for heat is the calorie (cal), which is defined as the energy needed to change the temperature of 1 g of water by 1 °C, specifically between 14.5 °C and 15.5 °C, since the energy needed shows a slight temperature dependence. Another commonly used unit is...
6.5K
Enthalpy
46.6K
Chemists ordinarily use a property known as enthalpy (H) to describe the thermodynamics of chemical and physical processes. Enthalpy is defined as the sum of a system’s internal energy (E) and the mathematical product of its pressure (P) and volume (V):
46.6K
Role of Water in Human Biology
12.4K
Water is the one of the most significant components of the human body; it plays a crucial role in several physiological activities because of its unique physicochemical properties. Importantly, it helps to regulate body temperature and is the chief component of several body fluids.
Water's Solvent Properties
Since water is a polar molecule with slightly positive and slightly negative charges, ions and polar molecules can readily dissolve in it. Therefore, it is referred to as a solvent, a...
Water's Solvent Properties
Since water is a polar molecule with slightly positive and slightly negative charges, ions and polar molecules can readily dissolve in it. Therefore, it is referred to as a solvent, a...
12.4K
Specific Heat
66.9K
The specific heat capacity of a substance refers to the energy required to increase the temperature of one gram of that substance by one degree Celcius. Specific heat capacity is often represented in calories (cal), grams (g), and degrees Celsius (oC), but can also be expressed in joules (J), kilograms (kg), and Kelvin (K), among other units.
For example, increasing the temperature of one gram of water by 1°C requires one calorie of heat energy and can be written as 1 cal/g-°C, or...
For example, increasing the temperature of one gram of water by 1°C requires one calorie of heat energy and can be written as 1 cal/g-°C, or...
66.9K
Quantifying Heat
61.4K
Thermal Energy Microscopically, thermal energy is the kinetic energy associated with the random motion of atoms and molecules. Temperature is a quantitative measure of “hot” or “cold”, which depends on the amount of thermal energy. When the atoms and molecules in an object are moving or vibrating quickly, they have a higher average kinetic energy (KE) (or higher thermal energy), and the object is perceived as “hot”, or it is described as being at a higher temperature. When the...
61.4K
Conduction, Convection and Radiation: Problem Solving
2.2K
There are three methods by which heat transfer can take place: conduction, convection, and radiation. Each method has unique and interesting characteristics, but all three have two things in common: they transfer heat solely because of a temperature difference; and the greater the temperature difference, the faster the heat transfer.
In order to solve a problem related to heat transfer, first of all, the situation needs to be examined to determine the type of heat transfer involved. This could...
In order to solve a problem related to heat transfer, first of all, the situation needs to be examined to determine the type of heat transfer involved. This could...
2.2K

