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Flashcards for JEE Chemistry - Thermodynamics Class 11

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Thermodynamics
Flash cards
Page 2


Thermodynamics
Flash cards
System
(Part of the universe under study is system)
Types of System :-
Open System
Closed System
Isolated System
Page 3


Thermodynamics
Flash cards
System
(Part of the universe under study is system)
Types of System :-
Open System
Closed System
Isolated System
Open System
Exchange of matter and energy both occurs with surroundings.
Page 4


Thermodynamics
Flash cards
System
(Part of the universe under study is system)
Types of System :-
Open System
Closed System
Isolated System
Open System
Exchange of matter and energy both occurs with surroundings.
Closed System
Exchange of energy but not matter occurs with surroundings.
Page 5


Thermodynamics
Flash cards
System
(Part of the universe under study is system)
Types of System :-
Open System
Closed System
Isolated System
Open System
Exchange of matter and energy both occurs with surroundings.
Closed System
Exchange of energy but not matter occurs with surroundings.
Isolated System
Neither matter nor energy is exchanged with surrounding.
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FAQs on Flashcards for JEE Chemistry - Thermodynamics Class 11

1. What is thermodynamics?
Ans. Thermodynamics is a branch of physics that deals with the study of energy transformation and its relationship with heat and work. It focuses on the principles of energy conservation and the behavior of systems with regards to temperature, pressure, and volume.
2. How does thermodynamics relate to everyday life?
Ans. Thermodynamics is applicable to everyday life in various ways. For example, it helps us understand how engines and refrigerators work, how our bodies regulate temperature, and how heat transfer occurs during cooking. Additionally, thermodynamics plays a crucial role in the design and optimization of energy-efficient systems.
3. What are the laws of thermodynamics?
Ans. The laws of thermodynamics are fundamental principles that govern energy and its behavior in various systems. The three laws are: 1. The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted from one form to another. 2. The second law of thermodynamics states that the total entropy of an isolated system always increases over time. 3. The third law of thermodynamics states that as temperature approaches absolute zero, the entropy of a system approaches a minimum value.
4. What is the difference between heat and temperature in thermodynamics?
Ans. In thermodynamics, heat and temperature are distinct concepts. Heat refers to the transfer of energy between two objects due to a temperature difference. It is measured in joules or calories. Temperature, on the other hand, is a measure of the average kinetic energy of the particles in a substance. It is measured in degrees Celsius or Kelvin.
5. How does thermodynamics relate to chemical reactions?
Ans. Thermodynamics plays a crucial role in understanding and predicting the feasibility and spontaneity of chemical reactions. By analyzing the change in enthalpy (heat transfer at constant pressure) and entropy (measure of disorder) during a reaction, thermodynamics allows us to determine if a reaction will occur spontaneously or if energy input is required. This information is vital in fields such as chemical engineering and pharmaceutical development.
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