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Predict the signs ofDeltaH and DeltaS fo...

Predict the signs of`DeltaH` and `DeltaS` for the reaction :
`2CI(g) to CI_(2)(g)`.

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AI Generated Solution

To predict the signs of ΔH (change in enthalpy) and ΔS (change in entropy) for the reaction: \[ 2 \text{Cl}(g) \rightarrow \text{Cl}_2(g) \] we can follow these steps: ### Step 1: Analyze the Reaction The reaction involves the combination of two chlorine atoms (Cl) in the gaseous state to form one molecule of chlorine gas (Cl2). ...
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I. Read the following passage and answer questions 1-5 that follows: Spontaneity means the feasibility of a reaction.Gibbs free energy (G) is the thermodynamic quantity which helps in predicting the spontaneity of a process G = H - TS The change in free energy is represented by Gibbs Helmoltz equation, DeltaH - DeltaH - TDeltaS For spontaneity of a process, DeltaG must be negative.It depends upon energy factor (DeltaH) and entropy factor (TDeltaS) . 1. What are the signs of DeltaH and DeltaS for the reactions : 2CI(g) to CI_(2)(g) ?

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MODERN PUBLICATION-THERMODYNAMICS-Conceptual Questions - 3
  1. How does entropy change with (i) increase in temperature, (ii) decreas...

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  2. What is entropy ? Is the entropy of the universe constant?

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  3. What is the value of change in entropy at equilibrium?

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  4. Arrange water vapour, liquid water and ice in the order of increasing ...

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  5. Do you expect DeltaS to be +ve, -ve, or zero for the reaction H(2)(g...

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  6. Place the following systems in order of increasing randomness : (a)1...

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  7. Which of the following processes are accompanied by increase or entrop...

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  8. Predict the sign of entropy change for each of the following changes o...

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  9. Predict the entropy change (positive / negative) in the following: (...

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  10. If standard free energy change for a reaction is found to be zero, wha...

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  11. What is the value of DeltaG at melting point of ice?

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  12. Relate free energy with equillibrium constant. For a reaction both Del...

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  13. Comment on the following statements: (a) An exothermic reaction is a...

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  14. The standard molar entropy of H(2)O(l) is 70 J K^(-1) "mol"^(-1).Wil...

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  15. Which quantity out of Delta(r)G or Delta(r)G^(@) will be zero at equil...

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  16. Why is entropy of substance taken as zero at absolute zero of temperat...

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  17. Predict the signs ofDeltaH and DeltaS for the reaction : 2CI(g) to C...

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  18. An exothermic reaction X to Y is spontaneous in the backward direction...

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