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Calculate the work performed when 2 mole...

Calculate the work performed when `2` moles of hydrogen expand isothermally and reversibly at `25^(@)C` from `15` to `50` litres. (in cal)

Text Solution

Verified by Experts

We have,
`W=-2.303"nRT"log.(V_(2))/(V_(1))` …. (Eqn. 4b)
`=-2.303xx2xx2xx298xxlog.(50)/(15)`
`=-1436 calories.
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RC MUKHERJEE-CHEMICAL THERMODYNAMICS-Objective problems
  1. Calculate the work performed when 2 moles of hydrogen expand isotherma...

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  2. The heat of formation of HCl (g) from the reaction H(2)(g)+Cl(2)(g)=...

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  3. Given N(2)(g)+3H(2)(g)=2NH(3)(g),DeltaH^(@)=-22 kcal. The standard e...

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  4. If H(2)(g)=2H(g),DeltaH=104cal , then heat of atomisation of hydrogen ...

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  5. Heats of combustion of CH(4),C(2)H(4), C(2)H(6) are -890, -1411 and -1...

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  6. 2.1g of Fe combines with S evolving 3.77KJ . The heat of formation of...

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  7. When a certain amount of ethylene was combusted, 6226 kJ heat was evol...

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  8. {:[(H(2)(g)+(1)/(2)O(2)(g)=H(2)O(g),DeltaH=-241.8kJ),(CO(g)+(1)/(2)O(2...

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  9. {:[(H(2)(g)+(1)/(2)O(2)(g)=H(2)O(g),DeltaH=-241.8kJ),(C(2)H(2)(g)+2(1)...

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  10. Heat of neutralisation of a strong dibasic acid in dilute solution by ...

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  11. The temperature of a 5mL of strong acid increases by 5^(@) when 5 mL o...

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  12. Heat of neutralisation of a strong acid by a strong base is equal to D...

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  13. In which case of mixing of a strong acid and a base each of 1N concent...

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  14. The heat of neutralisation of HCl by NaOH is -55.9 kJ//"mole". If the ...

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  15. The dissociation energy of CH(4) and C(2)H(6) are respectively 360 and...

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  16. In which of the following cases entropy decreases?

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  17. In which of the following reactions DeltaS is positive?

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  18. The Delta G in the process of melting of Ice at -15^(@) C is

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  19. In a reaction , DeltaH and DeltaS both are more than zeron. In which o...

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  20. In which case is a reaction possible at any temperature ?

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  21. In which case is a reaction impossible at any temperature ?

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