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Define isolated system....

Define isolated system.

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**Step-by-Step Solution:** 1. **Definition of Isolated System**: An isolated system is a type of thermodynamic system that does not exchange either energy or matter with its surroundings. This means that no heat, work, or mass can flow in or out of the system. 2. **Characteristics of Isolated Systems**: - **No Energy Exchange**: There is no transfer of heat or work between the system and its surroundings. - **No Matter Exchange**: There is no transfer of substances into or out of the system. ...
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Assertion : In an isolated system the entropy increases. Reason : The processes in an isolated system are adiabatic.

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Assertion :- In an isolated system the entropy increases due to spontanous process. Reason :- The processes in an isolated system are adiabatic.

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ICSE-CHEMICAL THERMODYNAMICS -FILL IN THE BLANKS. TYPE QUESTIONS
  1. Thermodynamics mainly deals with

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  2. A closed system is that which

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  3. A system is said to be in ...... equilibrium when the system and the s...

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  4. When the work is done by the system, w is taken as ......

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  5. Is the entropy of the universe constant ?

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  6. Define isolated system.

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  7. The sum of ...... energy and ...... energy of a system is called entha...

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  8. For the process occurring at constant ....... DeltaH = DeltaU.

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  9. A spontaneous process is also called a ...... process.

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  10. Dissolution of sugar in water is accompanied by ...... of entropy of t...

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  11. A spontaneous process is an ...... process and occurs in ...... direct...

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  12. The force responsible for the spontaneity of a reaction is called .......

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  13. The total entropy change (DeltaS("total")) for the system and surround...

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  14. If DeltaS("total") is positive the process is ..... and occurs in the...

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  15. Whenever a spontaneous process takes place, it is accompanied by an in...

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  16. When DeltaG = 0, the process is …….

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  17. When DeltaH is ngative nad T DeltaS is positive, the process is ……..at...

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  18. The enthalpy change for a reaction does not depend upon the

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  19. The greater the free energy change, the greater is the amount of ........

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  20. At absolute zero, the entropy of a pure crystal is zero. This is

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