Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. Enthalpy (H) The enthalpy (H), is a thermodynamic property of a system, is defined as the sum of the internal energy (U) of a system and the product of pressure and volume of the system. That is, H = U + PV ...................... (7.8) It reflects the capacity … [Read more...] about Enthalpy (H)
Chemistry
First Law of Thermodynamics
Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. First Law of Thermodynamics The first law of thermodynamics, known as the law of conservation of energy, states that the total energy of an isolated system remains constant though it may change from one form to another. When a system moves from state 1 to state … [Read more...] about First Law of Thermodynamics
Zeroth Law of Thermodynamics
Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. Zeroth Law of Thermodynamics The law states that 'If two systems are separately in thermal equilibrium with a third one, then they tend to be in thermal equilibrium with themselves'. According to this law, if systems B and C separately are in thermal equilibrium … [Read more...] about Zeroth Law of Thermodynamics
System and Surrounding
Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. System and Surrounding Before studying the laws of thermodynamics and their applications, it is important to understand the meaning of a few terms used frequently in thermodynamics. System: The universe is divided into two parts, the system and its … [Read more...] about System and Surrounding
Introduction of Thermodynamics
Find free online Chemistry Topics covering a broad range of concepts from research institutes around the world. Introduction of Thermodynamics The term 'Thermodynamics' means flow of heat and is derived from the Greek 'Thermos' (heat) and 'dynamics' (flow), In our daily life, we come across many useful reactions such as burning of fuel to produce heat energy, flow of … [Read more...] about Introduction of Thermodynamics