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Biological systems are open systems, not closed systems. Open systems require the input of energy to run and produce certain products such as materials used for cellular building, building blocks of the human body, and of course heat. No biological system can be totally closed, considering that they all get energy directly (in the case of plants) or indirectly (in the case of herbivores and eventually carnivores as you move up the food chain).
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Is photosynthesis a closed or an opened system in thermodynamics?
Photosynthesis is an open system because energy enters the system and mass both enters and leaves the system. In very general terms photosynthesis is: carbon dioxide + water + light ==> oxygen + plant growth The exact process is a bit more complex, but the gist of it is that it is open because both mass and energy cross the boundaries of the system if the system is identified as the plant.
What is the first law of thermodynamics applied to closed and open system showing the meaning of the positive and negative sign of heat and work?
The first law of thermodynamics states that: "The internal energy of a system is a function of its state. Any increase in the internal energy of a system is equal to the sum of the heat supplied to the system and the work done on the system." In equations, this is stated as: DU = DQ + DW where DU is the INCREASE in internal energy DQ is the heat SUPPLIED DW is the work done ON the system So, if heat is lost by the system, it means that DQ is negative and if work is done by the system, it means that DW is negative. The best way to answer thermodynamics questions involving the first law is to think logically about what calculations should be made. If you do this, you will never make mistakes about signs.
Can you use thermodynamic in a sentence?
The laws of thermodynamics govern energy transfer and transformation within a system, providing a framework to understand the behavior of matter and energy under different conditions.
What are closed and open system?
Closed systems exchange energy but not matter with their surroundings, while open systems exchange both energy and matter. An example of a closed system is a sealed container of gas, where heat can be transferred in or out but no gas can escape. In contrast, a boiling pot of water is an open system, as it allows steam to escape while heat is continuously added. Understanding these systems is crucial in fields like thermodynamics and environmental science.
What is Definition of Delta T in thermodynamics?
Delta T in thermodynamics refers to the change in temperature between two states or points in a system. It is calculated by subtracting the initial temperature from the final temperature. Delta T is an essential parameter for determining heat transfer and energy exchange in thermodynamic processes.
What is mean by CV in thermodynamics?
CV Stands for Control Volume Only in Thermodynamics and it is a fixed region in a open systems. The region of space enclosed by The open system boundaries is called Control Volume.
What are the examples where thermodynamics has been used to make everyday life easier?
eight examples of open system, close system isolated system eight examples of open system, close system isolated system
What is the significance of an open system in physics and how does it impact the study of thermodynamics?
An open system in physics is important because it allows for the exchange of matter and energy with its surroundings. This impacts the study of thermodynamics by introducing variables such as heat and work that can enter or leave the system, influencing its internal energy and overall behavior.
What is the definition of a state function and how does it relate to the keyword "thermodynamics"?
A state function is a property that depends only on the current state of a system, not on how it got there. In thermodynamics, state functions like internal energy and entropy help describe the state of a system and its changes during processes like heating or cooling.
Is photosynthesis a closed or an opened system in thermodynamics?
Photosynthesis is an open system because energy enters the system and mass both enters and leaves the system. In very general terms photosynthesis is: carbon dioxide + water + light ==> oxygen + plant growth The exact process is a bit more complex, but the gist of it is that it is open because both mass and energy cross the boundaries of the system if the system is identified as the plant.
Is flying bird open system or closed system or isolated system according to thermodynamics?
The bird will be best represented as an open system if you include the respiration of the bird and the feathers it drops occasionally. If you neglect those factors you could represent it as a closed system. It will NOT be an isolated system since it does work on its surroundings and its surroundings do work on it - along with some amount of heat transfer from the bird to its surroundings.
What is an open loop in control systems?
A: By definition there is no control on a system in an open loop situation. simply . it has no feedback
What is the definition of open dns?
a domain name support system. it is free because advertisments pay for it to be open.
What is difference between open system and closed system in thermodynamics?
A system which can exchange mass as well as matter with the surroundings is called anopen system.Example:- Heating of CaCo3 in an open bulb.A system which can exchange energy but not matter is called a closed system.Example:- Calcination of CaCo3 in a sealed bulb.
What has the author L Peusner written?
L. Peusner has written: 'The principles of network thermodynamics' -- subject(s): Biophysics, Linear systems, System analysis, Thermodynamics 'Concepts in bioenergetics' -- subject(s): Bioenergetics, Biophysics, Thermodynamics 'Studies in network thermodynamics' -- subject(s): System analysis, Thermodynamics
Theory of evolution Vs Law of Thermo Dynamics?
The theory of evolution does not vs the law of thermodynamics. They are quite compatible since the earth is an open system.
What is definition of open system?
An open system is a system which can be affected by external factors. Energy of the system can be altered, total momentum, charge, etc. In a closed system, energy, mass, momentum, charge and other properties are conserved.
