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When DeltaH is ngative nad T DeltaS is p...

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

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To solve the question, we need to analyze the relationship between the change in enthalpy (ΔH), the change in entropy (ΔS), and the Gibbs free energy (ΔG). ### Step-by-Step Solution: 1. **Understand the Given Values**: - We are given that ΔH (change in enthalpy) is negative. - We are also given that TΔS (temperature times change in entropy) is positive. ...
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Fill in the blanks by choosing the appropriate word/words from those given in the brackets: [proton acceptor, pressures, non-spontaneous, proton donor, spontaneous, 3°, brown, red, 1°, temperatures, copper acetylide] (i) According to Bronsted and Lowry, an acid is a_______ (ii) When DeltaH is a negative and T Delta S is a positive, the process is______ (iii) The +I effect of alkyl groups is in the order ______ gt 2^(@) gt ________ (iv) When acetylene is treated with ammoniacal cuprous chloride a _____ precipitate of _____ is formed.

For a chemical reaction, DeltaH is negative and DeltaS is negative and DeltaS is negative . This reaction is

Which of the following is true during adsorption? a. DeltaG , DeltaH , and DeltaS all are negative. b. DeltaG is negative, but DeltaH and DeltaS is positive. c. DeltaG and DeltaH are negative, but DeltaS is positive. d. DeltaG and DeltaS are negative, but DeltaH is positive.

For an exothermic reaction, DeltaH is positive.

For an edothemic reaction, DeltaH is positive.

If DeltaS_("total") is positive the process is ..... and occurs in the ..... as mentioned. The reverse process is .......

What would happen to a reversible reaction at equilibrium, when a. The temperature is raised, given that its DeltaH is positive. b. The temperature is lowered, given that its DeltaH is positive. c. The temperature is lowered, given that its DeltaH is negative. d. The pressure is lowered, given that Deltan is negative. e. The pressure is increased, given Deltan is negative.

Assertion : If both DeltaH^(@) and DeltaS^(@) are positive then reaction will be spontaneous at high temperature. Reason : All processes with positive entropy change are spontaneous.

Assertion : DeltaH for an exothermic reaction is negative nad for an endothermic reaction is positive. Reason : Enthalpy is an extensive property.

What is the sign of DeltaH and DeltaS for adsorption process.

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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