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The units of DeltaS are JK^(-1) mol^(-1)...

The units of `DeltaS` are `JK^(-1) mol^(-1)`.

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To determine the units of ΔS (change in entropy), we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Definition of Entropy Change (ΔS)**: The change in entropy (ΔS) is defined as the amount of heat exchanged (ΔH) divided by the temperature (T) at which the exchange occurs. \[ ...
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Certain reaction is at equilibrium at 82^(@)C and Delta H for this reaction is 21.3 kJ mol^(-1) . What would be the value of Delta S(in JK^(-1) mol^(-1)) for the reaction.

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A certain reaction is at equilbrium at 82^(@)C and Delta H for this reaction is 21.3 kJ. What would be the value of Delta S (in JK^(-1)mol^(1) ) for the reaction?

For a given reaction, DeltaH = 35.5 kJ mol^(-1) and Delta S = 83.6 JK^(-1) mol^(-1) . The reaction is spontaneous at (Assume that DeltaH and DeltaS do not vary with temperature)

A process has Delta H = 8 K J mol^(-1) " and " Delta S = 80JK^(-1) mol^(-1) The temperature at which the process will be in equilibrium is ____________ K.

Calculate the temperature above which the reduction of lead oxide to lead in the following reaction become spontaneous. PbO(s) + C(s) rightarrow Pb(s) + CO(g) Given Delta H = 118.4 kJ mol^(-1), Delta S = 200 JK^(-1) mol^(-1) .

If for a certain reaction triangle_rH is 30KJ mol^(-1) at 450K, the value of triangle_rS (in JK^(-1)mol^(-1)) for which the same reaction will be spontaneous at the same temperature is

The equilibrium constant for a reaction is 100 what will be the value of DeltaG^(@) ? R=8.314JK^(-1)mol^(-1),T=300 K :-

For a given reaction, Delta H = 35.5 kJ mol^(-1) and Delta S = 83.6 JK^(-1) mol(-1) . The reaction is spontaneous at : (Assume that Delta H and Delta S do not vary with temperature)

Calculate the standard free energy change for the following reaction at 27^@C . H_2(g) + I_2(g) to 2HI(g) , DeltaH^@ = + 51.9 kJ [Given : DeltaS_(H_2)^@ = 130.6 JK^(-1) mol^(-1) DeltaS_(I_2)^@ = 116.7 JK^(-1) mol^(-1) DeltaS_(HI)^@ = 206.3 JK^(-1) mol^(-1)] . Predict whether the reaction is feasible at 27°C or not.

ICSE-CHEMICAL THERMODYNAMICS -TRUE OR FALSE. TYPE QUESTIONS
  1. For an isobaric process, DeltaP=0.

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  2. What is the sign convention for work?

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  3. Work done in the isothermal reversible expansion of a gas is always gr...

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  4. The total energy of the universe is increasing day by day.

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  5. DeltaE=E("initial state")-E("final state")

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  6. The heat absorbed in a reaction at constant temperature and constant v...

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  7. A bomb calorimeter measures DeltaG of a combustion process.

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  8. For the reaction, Zn(s) + 2HCl (aq) to ZnCl 2(aq) + H2(g) , DeltaH...

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  9. Decomposition of CaCO3 is a reversible reaction when carried out in ...

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  10. State True/False All spontaneous process proceed in one direction on...

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  11. The units of DeltaS are JK^(-1) mol^(-1).

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  12. The absolute entropy of a liquid is less than of the solid.

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  13. Is the entropy of the universe constant ?

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  14. A process is non-spontaneous when DeltaS("total") lt 0.

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  15. For an irreversible process, DeltaS gt 0.

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  16. Heat can be converted completely into equivalent amount of work withou...

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  17. A chemical process always proceeds in the direction in which the Gibbs...

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  18. A process is feasible if ΔH is positive and ΔS is negative

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  19. DeltaG is a measure of the net work done by a system. True/False.

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

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