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Is the entropy of the universe constant ...

Is the entropy of the universe constant ?

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energy, entropy
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Explore conceptually related problems

A : The energy of the universe is constant, whereas the entropy of the universe is continuously increasing. R : For spontaneous process Delta S gt 0 .

Which of the following statement is true regarding the entropy of the universe?

The universe is

As per second law of thermodynamics a process taken place spontaneously if and only if the entropy of the universe increases due to the process. Change in entropy is given by Delta S = (Q_(rev))/(T) What is the change in entropy of the universe due to the following reaction occuring at 27^(@)C ? A + 2B rarr C + 2D, Delta H = +1.8 kJ mol^(-1) Molar entropy values of A, B, C and D are 1,2,3 and 4 JK^(-1) mol^(-1) respectively.

As per second law of thermodynamics a process taken place spontaneously if and only if the entropy of the universe increases due to the process. Change in entropy is given by Delta S = (Q_(rev))/(T) A gas C_(V) = (0.2 T) Cal K^(-1) . What is the change in its entropy when one mole of it is heated from 27^(@)C to 127^(@)C at constant volume ?

Which of the following statement is true. The entropy if the universe

In the equation of state of an ideal gas PV =nRT , the value of the universal gas constant is not correct :

The specific heat capacity of hydrogen at constant'pressure and constant volume are 14280 J kg ^(-1) K ^(-1) and 10110 J kg ^(-1) K ^(-1) respectively. Calculate the value of the universal gas constant.

The value of entropy of the universe is always

The unit of universal gas constant is

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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