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State the mathematical definition of ent...

State the mathematical definition of enthalpy.

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 2-EXERCISE
  1. Calculate the standard enthalpy of reaction at25^@C temperature for th...

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  2. Calculate the entropy change, at 0^@C for the process H2O(s) rarr H2O(...

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  3. State the mathematical definition of enthalpy.

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  4. Mention the oxidation number of carbon atom in C6H12O6 molecule.

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  5. Balance the equations Cl2 + OH^(-) to Cl^(-) + ClO3^(-) + H2O

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  6. What is the oxidation number .of oxygen in Na2O2?

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  7. Balance . the following equation by oxidation number method : H2S + Cl...

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  8. What do you mean by ‘Non-stoichiometric hydrides'? Do you expect .this...

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  9. Which out of MgCO3, SrCO3 and BaCO3 possesses highest thermal stabilit...

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  10. Be and Mg do not give colour to flame whereas other alkaline earth met...

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  11. why are alkali metals stored in kerosene ?

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  12. What happens when calcium nitrate is heated.

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  13. CH3Cl is unreactive towards. SN^1 reaction.Why?

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  14. Dipole moment of nitrobenzene is greater than that of nitroethane.Why?

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  15. Give example of a non-nucleophilic anion.

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  16. Explain the orders of acidity of carboxylic acids. Cl3CCOOH > Cl2 CHCO...

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  17. State Le Chatelier's principle. Discuss the effect of pressure, concen...

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  18. Two moles of HI were heated in a scaled tube at 440^@Cuntil the equili...

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  19. Find out Kp//Kc for: CO(g)+frac 1/2 O2 (g) overset (rarr)(larr) CO2 (g...

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  20. What will be pH of the solution obtained by mixing 50 ml 0.1 (N) CH3CO...

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